diff --git a/src/Api/TakeoutSaaS.TenantApi/Program.cs b/src/Api/TakeoutSaaS.TenantApi/Program.cs
index c970f08..e12afc5 100644
--- a/src/Api/TakeoutSaaS.TenantApi/Program.cs
+++ b/src/Api/TakeoutSaaS.TenantApi/Program.cs
@@ -1,20 +1,25 @@
 using Asp.Versioning;
 using Asp.Versioning.ApiExplorer;
-using Microsoft.AspNetCore.Mvc;
-using TakeoutSaaS.Shared.Abstractions.Security;
-using TakeoutSaaS.Shared.Abstractions.Serialization;
-using TakeoutSaaS.Shared.Web.Filters;
 using Microsoft.AspNetCore.Cors.Infrastructure;
+using Microsoft.AspNetCore.Mvc;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 using Serilog;
 using TakeoutSaaS.Application.App.Extensions;
+using TakeoutSaaS.Application.Dictionary.Extensions;
+using TakeoutSaaS.Application.Identity.Extensions;
+using TakeoutSaaS.Application.Messaging.Extensions;
 using TakeoutSaaS.Infrastructure.App.Extensions;
+using TakeoutSaaS.Infrastructure.Dictionary.Extensions;
 using TakeoutSaaS.Infrastructure.Identity.Extensions;
 using TakeoutSaaS.Module.Authorization.Extensions;
+using TakeoutSaaS.Module.Messaging.Extensions;
 using TakeoutSaaS.Module.Tenancy.Extensions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
 using TakeoutSaaS.Shared.Web.Extensions;
+using TakeoutSaaS.Shared.Web.Filters;
 using TakeoutSaaS.Shared.Web.Security;
 using TakeoutSaaS.Shared.Web.Swagger;
 
@@ -81,15 +86,29 @@ if (isDevelopment)
 }
 
 // 5. 注册鉴权授权与权限策略
-builder.Services.AddAppApplication();
-builder.Services.AddAppInfrastructure(builder.Configuration);
 builder.Services.AddJwtAuthentication(builder.Configuration);
-builder.Services.AddTenantResolution(builder.Configuration);
 builder.Services.AddAuthorization();
 builder.Services.AddPermissionAuthorization();
 builder.Services.AddHealthChecks();
 
-// 6. 配置 OpenTelemetry 采集
+// 6. 注册应用层与基础设施（仅租户侧所需）
+builder.Services.AddAppApplication();
+builder.Services.AddIdentityApplication(enableMiniSupport: false);
+builder.Services.AddAppInfrastructure(builder.Configuration);
+builder.Services.AddIdentityInfrastructure(builder.Configuration, enableMiniFeatures: false, enableAdminSeed: false);
+
+// 7. 注册多租户解析（依赖 ITenantRepository，需在 Infrastructure 之后）
+builder.Services.AddTenantResolution(builder.Configuration);
+
+// 8. 注册字典模块（系统参数、字典项、缓存等）
+builder.Services.AddDictionaryApplication();
+builder.Services.AddDictionaryInfrastructure(builder.Configuration);
+
+// 9. 注册消息发布能力（未配置 RabbitMQ 时自动降级为 NoOp 实现）
+builder.Services.AddMessagingApplication();
+builder.Services.AddMessagingModule(builder.Configuration);
+
+// 10. 配置 OpenTelemetry 采集
 var otelSection = builder.Configuration.GetSection("Otel");
 var otelEndpoint = otelSection.GetValue<string>("Endpoint");
 var useConsoleExporter = otelSection.GetValue<bool?>("UseConsoleExporter") ?? builder.Environment.IsDevelopment();
@@ -105,7 +124,6 @@ builder.Services.AddOpenTelemetry()
             .AddAspNetCoreInstrumentation()
             .AddHttpClientInstrumentation()
             .AddEntityFrameworkCoreInstrumentation();
-        // 1. (空行后) 配置 OTLP 导出
         if (!string.IsNullOrWhiteSpace(otelEndpoint))
         {
             tracing.AddOtlpExporter(exporter =>
@@ -113,7 +131,6 @@ builder.Services.AddOpenTelemetry()
                 exporter.Endpoint = new Uri(otelEndpoint);
             });
         }
-        // 2. (空行后) 配置 Console 导出
         if (useConsoleExporter)
         {
             tracing.AddConsoleExporter();
@@ -126,7 +143,6 @@ builder.Services.AddOpenTelemetry()
             .AddHttpClientInstrumentation()
             .AddRuntimeInstrumentation()
             .AddPrometheusExporter();
-        // 1. (空行后) 配置 OTLP 导出
         if (!string.IsNullOrWhiteSpace(otelEndpoint))
         {
             metrics.AddOtlpExporter(exporter =>
@@ -134,14 +150,13 @@ builder.Services.AddOpenTelemetry()
                 exporter.Endpoint = new Uri(otelEndpoint);
             });
         }
-        // 2. (空行后) 配置 Console 导出
         if (useConsoleExporter)
         {
             metrics.AddConsoleExporter();
         }
     });
 
-// 7. 配置 CORS
+// 11. 配置 CORS
 var tenantOrigins = ResolveCorsOrigins(builder.Configuration, "Cors:Tenant");
 builder.Services.AddCors(options =>
 {
@@ -151,21 +166,23 @@ builder.Services.AddCors(options =>
     });
 });
 
-// 8. 构建应用并配置中间件管道
+// 12. 构建应用并配置中间件管道
 var app = builder.Build();
 app.UseCors("TenantApiCors");
 
-// 1. (空行后) 通用 Web Core 中间件（异常、ProblemDetails、日志等）
-app.UseSharedWebCore();
-
-// 2. (空行后) 执行认证并解析租户
+// 1. (空行后) 先完成身份认证，确保租户解析优先使用 Token Claim
 app.UseAuthentication();
+
+// 2. (空行后) 解析并注入租户上下文（已认证请求不允许 Header 覆盖）
 app.UseTenantResolution();
 
-// 3. (空行后) 执行授权
+// 3. (空行后) 通用 Web Core 中间件（异常、ProblemDetails、日志等）
+app.UseSharedWebCore();
+
+// 4. (空行后) 执行授权
 app.UseAuthorization();
 
-// 4. (空行后) 开发环境启用 Swagger
+// 5. (空行后) 开发环境启用 Swagger
 if (app.Environment.IsDevelopment())
 {
     app.UseSharedSwagger();
@@ -175,7 +192,7 @@ app.MapPrometheusScrapingEndpoint();
 app.MapControllers();
 app.Run();
 
-// 10. 解析配置中的 CORS 域名
+// 13. 解析配置中的 CORS 域名
 static string[] ResolveCorsOrigins(IConfiguration configuration, string sectionKey)
 {
     var origins = configuration.GetSection(sectionKey).Get<string[]>();
@@ -185,7 +202,7 @@ static string[] ResolveCorsOrigins(IConfiguration configuration, string sectionK
         .ToArray() ?? [];
 }
 
-// 10. 构建 CORS 策略
+// 14. 构建 CORS 策略
 static void ConfigureCorsPolicy(CorsPolicyBuilder policy, string[] origins)
 {
     if (origins.Length == 0)
@@ -197,7 +214,7 @@ static void ConfigureCorsPolicy(CorsPolicyBuilder policy, string[] origins)
         policy.WithOrigins(origins)
             .AllowCredentials();
     }
-    // 1. (空行后) 放行通用 Header 与 Method
+
     policy
         .AllowAnyHeader()
         .AllowAnyMethod();
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/BillingMapping.cs b/src/Application/TakeoutSaaS.Application/App/Billings/BillingMapping.cs
new file mode 100644
index 0000000..ccea256
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/BillingMapping.cs
@@ -0,0 +1,200 @@
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Application.App.Billings;
+
+/// <summary>
+/// 账单 DTO 映射助手。
+/// </summary>
+internal static class BillingMapping
+{
+    /// <summary>
+    /// 将账单实体映射为账单 DTO（旧版）。
+    /// </summary>
+    /// <param name="bill">账单实体。</param>
+    /// <param name="tenantName">租户名称。</param>
+    /// <returns>账单 DTO。</returns>
+    public static BillDto ToDto(this TenantBillingStatement bill, string? tenantName = null)
+        => new()
+        {
+            Id = bill.Id,
+            TenantId = bill.TenantId,
+            TenantName = tenantName,
+            StatementNo = bill.StatementNo,
+            PeriodStart = bill.PeriodStart,
+            PeriodEnd = bill.PeriodEnd,
+            AmountDue = bill.AmountDue,
+            AmountPaid = bill.AmountPaid,
+            Status = bill.Status,
+            DueDate = bill.DueDate,
+            CreatedAt = bill.CreatedAt
+        };
+
+    /// <summary>
+    /// 将账单实体映射为账单列表 DTO（新版）。
+    /// </summary>
+    /// <param name="billing">账单实体。</param>
+    /// <param name="tenantName">租户名称。</param>
+    /// <returns>账单列表 DTO。</returns>
+    public static BillingListDto ToBillingListDto(this TenantBillingStatement billing, string? tenantName = null)
+        => new()
+        {
+            Id = billing.Id,
+            TenantId = billing.TenantId,
+            SubscriptionId = billing.SubscriptionId,
+            TenantName = tenantName ?? string.Empty,
+            StatementNo = billing.StatementNo,
+            BillingType = billing.BillingType,
+            Status = billing.Status,
+            PeriodStart = billing.PeriodStart,
+            PeriodEnd = billing.PeriodEnd,
+            AmountDue = billing.AmountDue,
+            AmountPaid = billing.AmountPaid,
+            DiscountAmount = billing.DiscountAmount,
+            TaxAmount = billing.TaxAmount,
+            TotalAmount = billing.CalculateTotalAmount(),
+            Currency = billing.Currency,
+            DueDate = billing.DueDate,
+            CreatedAt = billing.CreatedAt,
+            UpdatedAt = billing.UpdatedAt,
+            IsOverdue = billing.Status == TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Overdue
+                || (billing.Status == TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Pending && billing.DueDate < DateTime.UtcNow),
+            OverdueDays = (billing.Status is TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Pending
+                    or TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Overdue)
+                && billing.DueDate < DateTime.UtcNow
+                    ? (int)(DateTime.UtcNow - billing.DueDate).TotalDays
+                    : 0
+        };
+
+    /// <summary>
+    /// 将账单实体与支付记录映射为账单详情 DTO（旧版）。
+    /// </summary>
+    /// <param name="bill">账单实体。</param>
+    /// <param name="payments">支付记录列表。</param>
+    /// <param name="tenantName">租户名称。</param>
+    /// <returns>账单详情 DTO。</returns>
+    public static BillDetailDto ToDetailDto(
+        this TenantBillingStatement bill,
+        List<TenantPayment> payments,
+        string? tenantName = null)
+        => new()
+        {
+            Id = bill.Id,
+            TenantId = bill.TenantId,
+            TenantName = tenantName,
+            StatementNo = bill.StatementNo,
+            PeriodStart = bill.PeriodStart,
+            PeriodEnd = bill.PeriodEnd,
+            AmountDue = bill.AmountDue,
+            AmountPaid = bill.AmountPaid,
+            Status = bill.Status,
+            DueDate = bill.DueDate,
+            LineItemsJson = bill.LineItemsJson,
+            CreatedAt = bill.CreatedAt,
+            Payments = payments.Select(p => p.ToDto()).ToList()
+        };
+
+    /// <summary>
+    /// 将账单实体与支付记录映射为账单详情 DTO（新版）。
+    /// </summary>
+    /// <param name="billing">账单实体。</param>
+    /// <param name="payments">支付记录列表。</param>
+    /// <param name="tenantName">租户名称。</param>
+    /// <returns>账单详情 DTO。</returns>
+    public static BillingDetailDto ToBillingDetailDto(
+        this TenantBillingStatement billing,
+        List<TenantPayment> payments,
+        string? tenantName = null)
+    {
+        // 反序列化账单明细
+        var lineItems = new List<BillingLineItemDto>();
+        if (!string.IsNullOrWhiteSpace(billing.LineItemsJson))
+        {
+            try
+            {
+                lineItems = JsonSerializer.Deserialize<List<BillingLineItemDto>>(billing.LineItemsJson) ?? [];
+            }
+            catch
+            {
+                lineItems = [];
+            }
+        }
+
+        return new BillingDetailDto
+        {
+            Id = billing.Id,
+            TenantId = billing.TenantId,
+            TenantName = tenantName ?? string.Empty,
+            SubscriptionId = billing.SubscriptionId,
+            StatementNo = billing.StatementNo,
+            BillingType = billing.BillingType,
+            Status = billing.Status,
+            PeriodStart = billing.PeriodStart,
+            PeriodEnd = billing.PeriodEnd,
+            AmountDue = billing.AmountDue,
+            AmountPaid = billing.AmountPaid,
+            DiscountAmount = billing.DiscountAmount,
+            TaxAmount = billing.TaxAmount,
+            TotalAmount = billing.CalculateTotalAmount(),
+            Currency = billing.Currency,
+            DueDate = billing.DueDate,
+            ReminderSentAt = billing.ReminderSentAt,
+            OverdueNotifiedAt = billing.OverdueNotifiedAt,
+            LineItemsJson = billing.LineItemsJson,
+            LineItems = lineItems,
+            Payments = payments.Select(p => p.ToPaymentRecordDto()).ToList(),
+            Notes = billing.Notes,
+            CreatedAt = billing.CreatedAt,
+            CreatedBy = billing.CreatedBy,
+            UpdatedAt = billing.UpdatedAt,
+            UpdatedBy = billing.UpdatedBy
+        };
+    }
+
+    /// <summary>
+    /// 将支付记录实体映射为支付 DTO（旧版）。
+    /// </summary>
+    /// <param name="payment">支付记录实体。</param>
+    /// <returns>支付 DTO。</returns>
+    public static PaymentDto ToDto(this TenantPayment payment)
+        => new()
+        {
+            Id = payment.Id,
+            BillingStatementId = payment.BillingStatementId,
+            Amount = payment.Amount,
+            Method = payment.Method,
+            Status = payment.Status,
+            TransactionNo = payment.TransactionNo,
+            ProofUrl = payment.ProofUrl,
+            PaidAt = payment.PaidAt,
+            Notes = payment.Notes,
+            CreatedAt = payment.CreatedAt
+        };
+
+    /// <summary>
+    /// 将支付记录实体映射为支付记录 DTO（新版）。
+    /// </summary>
+    /// <param name="payment">支付记录实体。</param>
+    /// <returns>支付记录 DTO。</returns>
+    public static PaymentRecordDto ToPaymentRecordDto(this TenantPayment payment)
+        => new()
+        {
+            Id = payment.Id,
+            TenantId = payment.TenantId,
+            BillingId = payment.BillingStatementId,
+            Amount = payment.Amount,
+            Method = payment.Method,
+            Status = payment.Status,
+            TransactionNo = payment.TransactionNo,
+            ProofUrl = payment.ProofUrl,
+            IsVerified = payment.VerifiedAt.HasValue,
+            PaidAt = payment.PaidAt,
+            VerifiedBy = payment.VerifiedBy,
+            VerifiedAt = payment.VerifiedAt,
+            RefundReason = payment.RefundReason,
+            RefundedAt = payment.RefundedAt,
+            Notes = payment.Notes,
+            CreatedAt = payment.CreatedAt
+        };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/BatchUpdateStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/BatchUpdateStatusCommand.cs
new file mode 100644
index 0000000..054a9e4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/BatchUpdateStatusCommand.cs
@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 批量更新账单状态命令。
+/// </summary>
+public sealed record BatchUpdateStatusCommand : IRequest<int>
+{
+    /// <summary>
+    /// 账单 ID 列表（雪花算法）。
+    /// </summary>
+    public long[] BillingIds { get; init; } = [];
+
+    /// <summary>
+    /// 新状态。
+    /// </summary>
+    public TenantBillingStatus NewStatus { get; init; }
+
+    /// <summary>
+    /// 批量操作备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CancelBillingCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CancelBillingCommand.cs
new file mode 100644
index 0000000..ed38f36
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CancelBillingCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 取消账单命令。
+/// </summary>
+public sealed record CancelBillingCommand : IRequest<Unit>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 取消原因。
+    /// </summary>
+    public string Reason { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/ConfirmPaymentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/ConfirmPaymentCommand.cs
new file mode 100644
index 0000000..db00c49
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/ConfirmPaymentCommand.cs
@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 一键确认收款命令（记录支付 + 立即审核通过）。
+/// </summary>
+public sealed record ConfirmPaymentCommand : IRequest<PaymentRecordDto>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public TenantPaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 交易号。
+    /// </summary>
+    public string? TransactionNo { get; init; }
+
+    /// <summary>
+    /// 支付凭证 URL。
+    /// </summary>
+    public string? ProofUrl { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CreateBillCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CreateBillCommand.cs
new file mode 100644
index 0000000..d22ecde
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CreateBillCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 创建账单命令。
+/// </summary>
+public sealed record CreateBillCommand : IRequest<BillDto>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CreateBillingCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CreateBillingCommand.cs
new file mode 100644
index 0000000..d4abe30
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/CreateBillingCommand.cs
@@ -0,0 +1,41 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 创建账单命令。
+/// </summary>
+public sealed record CreateBillingCommand : IRequest<BillingDetailDto>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 账单明细列表。
+    /// </summary>
+    public List<BillingLineItemDto> LineItems { get; init; } = [];
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/GenerateSubscriptionBillingCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/GenerateSubscriptionBillingCommand.cs
new file mode 100644
index 0000000..be76d6b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/GenerateSubscriptionBillingCommand.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 生成订阅账单命令（自动化场景）。
+/// </summary>
+public sealed record GenerateSubscriptionBillingCommand : IRequest<BillingDetailDto>
+{
+    /// <summary>
+    /// 订阅 ID（雪花算法）。
+    /// </summary>
+    public long SubscriptionId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/ProcessOverdueBillingsCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/ProcessOverdueBillingsCommand.cs
new file mode 100644
index 0000000..11d9d23
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/ProcessOverdueBillingsCommand.cs
@@ -0,0 +1,10 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 处理逾期账单命令（后台任务场景）。
+/// </summary>
+public sealed record ProcessOverdueBillingsCommand : IRequest<int>
+{
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/RecordPaymentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/RecordPaymentCommand.cs
new file mode 100644
index 0000000..46f94e0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/RecordPaymentCommand.cs
@@ -0,0 +1,41 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 记录支付命令。
+/// </summary>
+public sealed record RecordPaymentCommand : IRequest<PaymentRecordDto>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public TenantPaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 交易号。
+    /// </summary>
+    public string? TransactionNo { get; init; }
+
+    /// <summary>
+    /// 支付凭证 URL。
+    /// </summary>
+    public string? ProofUrl { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/UpdateBillStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/UpdateBillStatusCommand.cs
new file mode 100644
index 0000000..fcbff76
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/UpdateBillStatusCommand.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 更新账单状态命令。
+/// </summary>
+public sealed record UpdateBillStatusCommand : IRequest<BillDto?>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillId { get; init; }
+
+    /// <summary>
+    /// 新状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/UpdateBillingStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/UpdateBillingStatusCommand.cs
new file mode 100644
index 0000000..d6abcff
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/UpdateBillingStatusCommand.cs
@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 更新账单状态命令。
+/// </summary>
+public sealed record UpdateBillingStatusCommand : IRequest<Unit>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 新状态。
+    /// </summary>
+    public TenantBillingStatus NewStatus { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Commands/VerifyPaymentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/VerifyPaymentCommand.cs
new file mode 100644
index 0000000..b652acd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Commands/VerifyPaymentCommand.cs
@@ -0,0 +1,28 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Commands;
+
+/// <summary>
+/// 审核支付命令。
+/// </summary>
+public sealed record VerifyPaymentCommand : IRequest<PaymentRecordDto>
+{
+    /// <summary>
+    /// 支付记录 ID（雪花算法）。
+    /// </summary>
+    [Required]
+    public long PaymentId { get; init; }
+
+    /// <summary>
+    /// 是否通过审核。
+    /// </summary>
+    public bool Approved { get; init; }
+
+    /// <summary>
+    /// 审核备注（可选）。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillDetailDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillDetailDto.cs
new file mode 100644
index 0000000..36b6851
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillDetailDto.cs
@@ -0,0 +1,78 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单详情 DTO。
+/// </summary>
+public sealed record BillDetailDto
+{
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string? TenantName { get; init; }
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 已付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 账单明细 JSON。
+    /// </summary>
+    public string? LineItemsJson { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 支付记录列表。
+    /// </summary>
+    public List<PaymentDto> Payments { get; init; } = new();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillDto.cs
new file mode 100644
index 0000000..dfc76d1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillDto.cs
@@ -0,0 +1,68 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单 DTO。
+/// </summary>
+public sealed record BillDto
+{
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string? TenantName { get; init; }
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 已付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingDetailDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingDetailDto.cs
new file mode 100644
index 0000000..9d92bd3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingDetailDto.cs
@@ -0,0 +1,146 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单详情 DTO（租户端）。
+/// </summary>
+public sealed record BillingDetailDto
+{
+    /// <summary>
+    /// 账单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 已支付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 税费金额。
+    /// </summary>
+    public decimal TaxAmount { get; init; }
+
+    /// <summary>
+    /// 总金额（应付金额 - 折扣 + 税费）。
+    /// </summary>
+    public decimal TotalAmount { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string Currency { get; init; } = "CNY";
+
+    /// <summary>
+    /// 到期日。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 订阅 ID（可选）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 账单明细 JSON（原始字符串）。
+    /// </summary>
+    public string? LineItemsJson { get; init; }
+
+    /// <summary>
+    /// 账单明细行项目。
+    /// </summary>
+    public IReadOnlyList<BillingLineItemDto> LineItems { get; init; } = [];
+
+    /// <summary>
+    /// 支付记录。
+    /// </summary>
+    public IReadOnlyList<PaymentRecordDto> Payments { get; init; } = [];
+
+    /// <summary>
+    /// 提醒发送时间。
+    /// </summary>
+    public DateTime? ReminderSentAt { get; init; }
+
+    /// <summary>
+    /// 逾期通知时间。
+    /// </summary>
+    public DateTime? OverdueNotifiedAt { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 创建人 ID。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? CreatedBy { get; init; }
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+
+    /// <summary>
+    /// 更新人 ID。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? UpdatedBy { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingDtos.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingDtos.cs
new file mode 100644
index 0000000..9ad57bb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingDtos.cs
@@ -0,0 +1,545 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto.Legacy;
+
+/// <summary>
+/// 账单列表 DTO（用于列表展示）。
+/// </summary>
+public sealed record BillingListDto
+{
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 关联订阅 ID（仅订阅/续费账单可能有值）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 税费金额。
+    /// </summary>
+    public decimal TaxAmount { get; init; }
+
+    /// <summary>
+    /// 总金额（应付金额 - 折扣 + 税费）。
+    /// </summary>
+    public decimal TotalAmount { get; init; }
+
+    /// <summary>
+    /// 已付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string Currency { get; init; } = "CNY";
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 是否已逾期（根据到期日与状态综合判断）。
+    /// </summary>
+    public bool IsOverdue { get; init; }
+
+    /// <summary>
+    /// 逾期天数（未逾期为 0）。
+    /// </summary>
+    public int OverdueDays { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间（UTC）。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+}
+
+/// <summary>
+/// 账单详情 DTO（含明细项）。
+/// </summary>
+public sealed record BillingDetailDto
+{
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 关联订阅 ID（仅订阅/续费账单可能有值）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 税费金额。
+    /// </summary>
+    public decimal TaxAmount { get; init; }
+
+    /// <summary>
+    /// 总金额（应付金额 - 折扣 + 税费）。
+    /// </summary>
+    public decimal TotalAmount { get; init; }
+
+    /// <summary>
+    /// 已付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string Currency { get; init; } = "CNY";
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 账单明细 JSON。
+    /// </summary>
+    public string? LineItemsJson { get; init; }
+
+    /// <summary>
+    /// 账单明细列表（从 JSON 反序列化）。
+    /// </summary>
+    public IReadOnlyList<BillingLineItemDto> LineItems { get; init; } = [];
+
+    /// <summary>
+    /// 支付记录列表。
+    /// </summary>
+    public IReadOnlyList<PaymentRecordDto> Payments { get; init; } = [];
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间（UTC）。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+}
+
+/// <summary>
+/// 账单明细项 DTO。
+/// </summary>
+public sealed record BillingLineItemDto
+{
+    /// <summary>
+    /// 明细类型（如：套餐费、配额包费用、其他费用）。
+    /// </summary>
+    public string ItemType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string Description { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 数量。
+    /// </summary>
+    public decimal Quantity { get; init; }
+
+    /// <summary>
+    /// 单价。
+    /// </summary>
+    public decimal UnitPrice { get; init; }
+
+    /// <summary>
+    /// 金额（数量 × 单价）。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 折扣率（0-1）。
+    /// </summary>
+    public decimal? DiscountRate { get; init; }
+}
+
+/// <summary>
+/// 支付记录 DTO。
+/// </summary>
+public sealed record PaymentRecordDto
+{
+    /// <summary>
+    /// 支付记录 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public TenantPaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public TenantPaymentStatus Status { get; init; }
+
+    /// <summary>
+    /// 支付流水号。
+    /// </summary>
+    public string? TransactionNo { get; init; }
+
+    /// <summary>
+    /// 支付凭证 URL。
+    /// </summary>
+    public string? ProofUrl { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 审核状态（待审核/已通过/已拒绝）。
+    /// </summary>
+    public bool IsVerified { get; init; }
+
+    /// <summary>
+    /// 审核人 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? VerifiedBy { get; init; }
+
+    /// <summary>
+    /// 审核时间（UTC）。
+    /// </summary>
+    public DateTime? VerifiedAt { get; init; }
+
+    /// <summary>
+    /// 退款原因。
+    /// </summary>
+    public string? RefundReason { get; init; }
+
+    /// <summary>
+    /// 退款时间（UTC）。
+    /// </summary>
+    public DateTime? RefundedAt { get; init; }
+
+    /// <summary>
+    /// 支付时间（UTC）。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
+
+/// <summary>
+/// 账单统计 DTO。
+/// </summary>
+public sealed record BillingStatisticsDto
+{
+    /// <summary>
+    /// 租户 ID（当前租户）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 统计周期开始时间（UTC）。
+    /// </summary>
+    public DateTime StartDate { get; init; }
+
+    /// <summary>
+    /// 统计周期结束时间（UTC）。
+    /// </summary>
+    public DateTime EndDate { get; init; }
+
+    /// <summary>
+    /// 分组方式（Day/Week/Month）。
+    /// </summary>
+    public string GroupBy { get; init; } = "Day";
+
+    /// <summary>
+    /// 总账单数量。
+    /// </summary>
+    public int TotalCount { get; init; }
+
+    /// <summary>
+    /// 待付款账单数量。
+    /// </summary>
+    public int PendingCount { get; init; }
+
+    /// <summary>
+    /// 已付款账单数量。
+    /// </summary>
+    public int PaidCount { get; init; }
+
+    /// <summary>
+    /// 逾期账单数量。
+    /// </summary>
+    public int OverdueCount { get; init; }
+
+    /// <summary>
+    /// 已取消账单数量。
+    /// </summary>
+    public int CancelledCount { get; init; }
+
+    /// <summary>
+    /// 总应收金额（账单原始应付）。
+    /// </summary>
+    public decimal TotalAmountDue { get; init; }
+
+    /// <summary>
+    /// 总实收金额。
+    /// </summary>
+    public decimal TotalAmountPaid { get; init; }
+
+    /// <summary>
+    /// 总未收金额（总金额 - 实收）。
+    /// </summary>
+    public decimal TotalAmountUnpaid { get; init; }
+
+    /// <summary>
+    /// 逾期未收金额。
+    /// </summary>
+    public decimal TotalOverdueAmount { get; init; }
+
+    /// <summary>
+    /// 分组统计：应收金额趋势（Key 为分组起始日期 yyyy-MM-dd）。
+    /// </summary>
+    public Dictionary<string, decimal> AmountDueTrend { get; init; } = [];
+
+    /// <summary>
+    /// 分组统计：实收金额趋势（Key 为分组起始日期 yyyy-MM-dd）。
+    /// </summary>
+    public Dictionary<string, decimal> AmountPaidTrend { get; init; } = [];
+
+    /// <summary>
+    /// 分组统计：账单数量趋势（Key 为分组起始日期 yyyy-MM-dd）。
+    /// </summary>
+    public Dictionary<string, int> CountTrend { get; init; } = [];
+}
+
+/// <summary>
+/// 账单导出 DTO。
+/// </summary>
+public sealed record BillingExportDto
+{
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 关联订阅 ID（仅订阅/续费账单可能有值）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 税费金额。
+    /// </summary>
+    public decimal TaxAmount { get; init; }
+
+    /// <summary>
+    /// 总金额。
+    /// </summary>
+    public decimal TotalAmount { get; init; }
+
+    /// <summary>
+    /// 已付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string Currency { get; init; } = "CNY";
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 账单明细列表。
+    /// </summary>
+    public List<BillingLineItemDto> LineItems { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingExportDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingExportDto.cs
new file mode 100644
index 0000000..341d515
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingExportDto.cs
@@ -0,0 +1,104 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单导出 DTO。
+/// </summary>
+public sealed record BillingExportDto
+{
+    /// <summary>
+    /// 账单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 订阅 ID（可选）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 税费金额。
+    /// </summary>
+    public decimal TaxAmount { get; init; }
+
+    /// <summary>
+    /// 总金额（应付金额 - 折扣 + 税费）。
+    /// </summary>
+    public decimal TotalAmount { get; init; }
+
+    /// <summary>
+    /// 已支付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string Currency { get; init; } = "CNY";
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 账单明细。
+    /// </summary>
+    public IReadOnlyList<BillingLineItemDto> LineItems { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingLineItemDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingLineItemDto.cs
new file mode 100644
index 0000000..8be6cca
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingLineItemDto.cs
@@ -0,0 +1,37 @@
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单明细行项目 DTO。
+/// </summary>
+public sealed record BillingLineItemDto
+{
+    /// <summary>
+    /// 明细类型（如：订阅费、配额包费用、其他费用）。
+    /// </summary>
+    public string ItemType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string Description { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 数量。
+    /// </summary>
+    public decimal Quantity { get; init; }
+
+    /// <summary>
+    /// 单价。
+    /// </summary>
+    public decimal UnitPrice { get; init; }
+
+    /// <summary>
+    /// 金额（数量 × 单价）。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 折扣率（0-1，可选）。
+    /// </summary>
+    public decimal? DiscountRate { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingListDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingListDto.cs
new file mode 100644
index 0000000..92e35b6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingListDto.cs
@@ -0,0 +1,114 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单列表 DTO（租户端列表展示）。
+/// </summary>
+public sealed record BillingListDto
+{
+    /// <summary>
+    /// 账单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 订阅 ID（可选）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 账单类型。
+    /// </summary>
+    public BillingType BillingType { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 已支付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 税费金额。
+    /// </summary>
+    public decimal TaxAmount { get; init; }
+
+    /// <summary>
+    /// 总金额（应付金额 - 折扣 + 税费）。
+    /// </summary>
+    public decimal TotalAmount { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string Currency { get; init; } = "CNY";
+
+    /// <summary>
+    /// 到期日。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+
+    /// <summary>
+    /// 是否逾期。
+    /// </summary>
+    public bool IsOverdue { get; init; }
+
+    /// <summary>
+    /// 逾期天数（未逾期为 0）。
+    /// </summary>
+    public int OverdueDays { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingStatisticsDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingStatisticsDto.cs
new file mode 100644
index 0000000..73b037b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingStatisticsDto.cs
@@ -0,0 +1,91 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单统计数据 DTO。
+/// </summary>
+public sealed record BillingStatisticsDto
+{
+    /// <summary>
+    /// 租户 ID（当前租户）。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 统计开始时间（UTC）。
+    /// </summary>
+    public DateTime StartDate { get; init; }
+
+    /// <summary>
+    /// 统计结束时间（UTC）。
+    /// </summary>
+    public DateTime EndDate { get; init; }
+
+    /// <summary>
+    /// 分组方式（Day/Week/Month）。
+    /// </summary>
+    public string GroupBy { get; init; } = "Day";
+
+    /// <summary>
+    /// 总账单数量。
+    /// </summary>
+    public int TotalCount { get; init; }
+
+    /// <summary>
+    /// 待支付账单数量。
+    /// </summary>
+    public int PendingCount { get; init; }
+
+    /// <summary>
+    /// 已支付账单数量。
+    /// </summary>
+    public int PaidCount { get; init; }
+
+    /// <summary>
+    /// 逾期账单数量。
+    /// </summary>
+    public int OverdueCount { get; init; }
+
+    /// <summary>
+    /// 已取消账单数量。
+    /// </summary>
+    public int CancelledCount { get; init; }
+
+    /// <summary>
+    /// 总应收金额。
+    /// </summary>
+    public decimal TotalAmountDue { get; init; }
+
+    /// <summary>
+    /// 已收金额。
+    /// </summary>
+    public decimal TotalAmountPaid { get; init; }
+
+    /// <summary>
+    /// 未收金额。
+    /// </summary>
+    public decimal TotalAmountUnpaid { get; init; }
+
+    /// <summary>
+    /// 逾期金额。
+    /// </summary>
+    public decimal TotalOverdueAmount { get; init; }
+
+    /// <summary>
+    /// 应收金额趋势（Key 为日期桶字符串）。
+    /// </summary>
+    public IReadOnlyDictionary<string, decimal> AmountDueTrend { get; init; } = new Dictionary<string, decimal>();
+
+    /// <summary>
+    /// 实收金额趋势（Key 为日期桶字符串）。
+    /// </summary>
+    public IReadOnlyDictionary<string, decimal> AmountPaidTrend { get; init; } = new Dictionary<string, decimal>();
+
+    /// <summary>
+    /// 数量趋势（Key 为日期桶字符串）。
+    /// </summary>
+    public IReadOnlyDictionary<string, int> CountTrend { get; init; } = new Dictionary<string, int>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingTrendPointDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingTrendPointDto.cs
new file mode 100644
index 0000000..68c8c9e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/BillingTrendPointDto.cs
@@ -0,0 +1,27 @@
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 账单趋势数据点 DTO。
+/// </summary>
+public sealed record BillingTrendPointDto
+{
+    /// <summary>
+    /// 分组时间点（Day/Week/Month 对齐后的时间）。
+    /// </summary>
+    public DateTime Period { get; init; }
+
+    /// <summary>
+    /// 账单数量。
+    /// </summary>
+    public int Count { get; init; }
+
+    /// <summary>
+    /// 应收金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 实收金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/PaymentDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/PaymentDto.cs
new file mode 100644
index 0000000..79f0921
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/PaymentDto.cs
@@ -0,0 +1,63 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 支付记录 DTO。
+/// </summary>
+public sealed record PaymentDto
+{
+    /// <summary>
+    /// 支付记录 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long BillingStatementId { get; init; }
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public TenantPaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public TenantPaymentStatus Status { get; init; }
+
+    /// <summary>
+    /// 交易号。
+    /// </summary>
+    public string? TransactionNo { get; init; }
+
+    /// <summary>
+    /// 支付凭证 URL。
+    /// </summary>
+    public string? ProofUrl { get; init; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Dto/PaymentRecordDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/PaymentRecordDto.cs
new file mode 100644
index 0000000..8e37c41
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Dto/PaymentRecordDto.cs
@@ -0,0 +1,95 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Billings.Dto;
+
+/// <summary>
+/// 支付记录 DTO（租户端）。
+/// </summary>
+public sealed record PaymentRecordDto
+{
+    /// <summary>
+    /// 支付记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 关联的账单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long BillingId { get; init; }
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public TenantPaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public TenantPaymentStatus Status { get; init; }
+
+    /// <summary>
+    /// 交易号。
+    /// </summary>
+    public string? TransactionNo { get; init; }
+
+    /// <summary>
+    /// 支付凭证 URL。
+    /// </summary>
+    public string? ProofUrl { get; init; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 是否已审核。
+    /// </summary>
+    public bool IsVerified { get; init; }
+
+    /// <summary>
+    /// 审核人 ID。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? VerifiedBy { get; init; }
+
+    /// <summary>
+    /// 审核时间。
+    /// </summary>
+    public DateTime? VerifiedAt { get; init; }
+
+    /// <summary>
+    /// 退款原因。
+    /// </summary>
+    public string? RefundReason { get; init; }
+
+    /// <summary>
+    /// 退款时间。
+    /// </summary>
+    public DateTime? RefundedAt { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/BatchUpdateStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/BatchUpdateStatusCommandHandler.cs
new file mode 100644
index 0000000..84cd172
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/BatchUpdateStatusCommandHandler.cs
@@ -0,0 +1,110 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 批量更新账单状态处理器。
+/// </summary>
+public sealed class BatchUpdateStatusCommandHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantContextAccessor tenantContextAccessor)
+    : IRequestHandler<BatchUpdateStatusCommand, int>
+{
+    /// <summary>
+    /// 处理批量更新账单状态请求。
+    /// </summary>
+    /// <param name="request">批量更新状态命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>成功更新的账单数量。</returns>
+    public async Task<int> Handle(BatchUpdateStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 参数验证
+        if (request.BillingIds.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "账单 ID 列表不能为空");
+        }
+
+        // 2. 查询所有账单
+        var billings = await billingRepository.GetByIdsAsync(request.BillingIds, cancellationToken);
+        if (billings.Count == 0)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "未找到任何匹配的账单");
+        }
+
+        // 3. 批量更新状态（逐租户上下文执行，避免跨租户写入）
+        var now = DateTime.UtcNow;
+        var currentTenantId = tenantContextAccessor.Current?.TenantId ?? 0;
+        if (currentTenantId != 0 && billings.Any(x => x.TenantId != currentTenantId))
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户批量更新账单状态");
+        }
+
+        var updatedTotal = 0;
+        var grouped = billings.GroupBy(x => x.TenantId).ToList();
+        foreach (var group in grouped)
+        {
+            using (currentTenantId == 0 ? tenantContextAccessor.EnterTenantScope(group.Key, "billing:batch-update") : null)
+            {
+                var updatedCount = 0;
+                foreach (var billing in group)
+                {
+                    // 业务规则检查：某些状态转换可能不允许
+                    if (!CanTransitionStatus(billing.Status, request.NewStatus))
+                    {
+                        continue;
+                    }
+
+                    billing.Status = request.NewStatus;
+                    billing.UpdatedAt = now;
+
+                    if (!string.IsNullOrWhiteSpace(request.Notes))
+                    {
+                        billing.Notes = string.IsNullOrWhiteSpace(billing.Notes)
+                            ? $"[批量操作] {request.Notes}"
+                            : $"{billing.Notes}\n[批量操作] {request.Notes}";
+                    }
+
+                    await billingRepository.UpdateAsync(billing, cancellationToken);
+                    updatedCount++;
+                }
+
+                if (updatedCount > 0)
+                {
+                    await billingRepository.SaveChangesAsync(cancellationToken);
+                }
+
+                updatedTotal += updatedCount;
+            }
+        }
+
+        return updatedTotal;
+    }
+
+    /// <summary>
+    /// 检查状态转换是否允许。
+    /// </summary>
+    private static bool CanTransitionStatus(
+        TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus currentStatus,
+        TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus newStatus)
+    {
+        // 已支付的账单不能改为其他状态
+        if (currentStatus == TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Paid
+            && newStatus != TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Paid)
+        {
+            return false;
+        }
+
+        // 已取消的账单不能改为其他状态
+        if (currentStatus == TakeoutSaaS.Domain.Tenants.Enums.TenantBillingStatus.Cancelled)
+        {
+            return false;
+        }
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CancelBillingCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CancelBillingCommandHandler.cs
new file mode 100644
index 0000000..c1a8da3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CancelBillingCommandHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 取消账单命令处理器。
+/// </summary>
+public sealed class CancelBillingCommandHandler(
+    ITenantBillingRepository billingRepository)
+    : IRequestHandler<CancelBillingCommand, Unit>
+{
+    /// <inheritdoc />
+    public async Task<Unit> Handle(CancelBillingCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询账单
+        var billing = await billingRepository.FindByIdAsync(request.BillingId, cancellationToken);
+        if (billing is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "账单不存在");
+        }
+
+        // 2. 取消账单（领域规则校验在实体方法内）
+        billing.Cancel(request.Reason);
+
+        // 3. 持久化
+        await billingRepository.UpdateAsync(billing, cancellationToken);
+        await billingRepository.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ConfirmPaymentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ConfirmPaymentCommandHandler.cs
new file mode 100644
index 0000000..57a36d1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ConfirmPaymentCommandHandler.cs
@@ -0,0 +1,99 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 一键确认收款处理器（记录支付 + 立即审核通过 + 同步更新账单已收金额/状态）。
+/// </summary>
+public sealed class ConfirmPaymentCommandHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantPaymentRepository paymentRepository,
+    IIdGenerator idGenerator,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<ConfirmPaymentCommand, PaymentRecordDto>
+{
+    /// <inheritdoc />
+    public async Task<PaymentRecordDto> Handle(ConfirmPaymentCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验操作者身份（用于写入 VerifiedBy）
+        if (!currentUserAccessor.IsAuthenticated || currentUserAccessor.UserId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "未登录或无效的操作者身份");
+        }
+
+        // 2. 查询账单
+        var billing = await billingRepository.FindByIdAsync(request.BillingId, cancellationToken);
+        if (billing is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "账单不存在");
+        }
+
+        // 3. 业务规则检查
+        if (billing.Status == TenantBillingStatus.Paid)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "已支付账单不允许重复收款");
+        }
+
+        if (billing.Status == TenantBillingStatus.Cancelled)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "已取消账单不允许收款");
+        }
+
+        // 4. 金额边界：不允许超过剩余应收（与前端校验保持一致）
+        var totalAmount = billing.CalculateTotalAmount();
+        var remainingAmount = totalAmount - billing.AmountPaid;
+        if (request.Amount > remainingAmount)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "支付金额不能超过剩余应收");
+        }
+
+        // 5. 幂等校验：交易号唯一
+        if (!string.IsNullOrWhiteSpace(request.TransactionNo))
+        {
+            var exists = await paymentRepository.GetByTransactionNoAsync(request.TransactionNo.Trim(), cancellationToken);
+            if (exists is not null)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "交易号已存在，疑似重复提交");
+            }
+        }
+
+        // 6. 构建支付记录并立即审核通过
+        var now = DateTime.UtcNow;
+        var payment = new TenantPayment
+        {
+            Id = idGenerator.NextId(),
+            TenantId = billing.TenantId,
+            BillingStatementId = request.BillingId,
+            Amount = request.Amount,
+            Method = request.Method,
+            Status = TenantPaymentStatus.Pending,
+            TransactionNo = string.IsNullOrWhiteSpace(request.TransactionNo) ? null : request.TransactionNo.Trim(),
+            ProofUrl = request.ProofUrl,
+            PaidAt = now,
+            Notes = request.Notes
+        };
+
+        payment.Verify(currentUserAccessor.UserId);
+
+        // 7. 同步更新账单已收金额/状态（支持分次收款）
+        billing.MarkAsPaid(payment.Amount, payment.TransactionNo ?? string.Empty);
+
+        // 8. 持久化变更（同一 DbContext 下单次 SaveChanges 可提交两张表）
+        await paymentRepository.AddAsync(payment, cancellationToken);
+        await billingRepository.UpdateAsync(billing, cancellationToken);
+        await paymentRepository.SaveChangesAsync(cancellationToken);
+
+        // 9. 返回 DTO
+        return payment.ToPaymentRecordDto();
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CreateBillCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CreateBillCommandHandler.cs
new file mode 100644
index 0000000..bbcf044
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CreateBillCommandHandler.cs
@@ -0,0 +1,61 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 创建账单处理器。
+/// </summary>
+public sealed class CreateBillCommandHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantRepository tenantRepository,
+    IIdGenerator idGenerator)
+    : IRequestHandler<CreateBillCommand, BillDto>
+{
+    /// <summary>
+    /// 处理创建账单请求。
+    /// </summary>
+    /// <param name="request">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>账单 DTO。</returns>
+    public async Task<BillDto> Handle(CreateBillCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 验证租户存在
+        var tenant = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken);
+        if (tenant is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+        }
+
+        // 2. 生成账单编号
+        var statementNo = $"BILL-{DateTime.UtcNow:yyyyMMdd}-{idGenerator.NextId()}";
+
+        // 3. 构建账单实体
+        var bill = new TenantBillingStatement
+        {
+            TenantId = request.TenantId,
+            StatementNo = statementNo,
+            PeriodStart = DateTime.UtcNow,
+            PeriodEnd = DateTime.UtcNow,
+            AmountDue = request.AmountDue,
+            AmountPaid = 0,
+            Status = TenantBillingStatus.Pending,
+            DueDate = request.DueDate,
+            LineItemsJson = request.Notes
+        };
+
+        // 4. 持久化账单
+        await billingRepository.AddAsync(bill, cancellationToken);
+        await billingRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回 DTO
+        return bill.ToDto(tenant.Name);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CreateBillingCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CreateBillingCommandHandler.cs
new file mode 100644
index 0000000..8c8727d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/CreateBillingCommandHandler.cs
@@ -0,0 +1,65 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 创建账单命令处理器。
+/// </summary>
+public sealed class CreateBillingCommandHandler(
+    ITenantRepository tenantRepository,
+    ITenantBillingRepository billingRepository,
+    IIdGenerator idGenerator)
+    : IRequestHandler<CreateBillingCommand, BillingDetailDto>
+{
+    /// <inheritdoc />
+    public async Task<BillingDetailDto> Handle(CreateBillingCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户存在
+        var tenant = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken);
+        if (tenant is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+        }
+
+        // 2. 构建账单实体
+        var now = DateTime.UtcNow;
+        var statementNo = $"BIL-{now:yyyyMMdd}-{idGenerator.NextId()}";
+        var lineItemsJson = JsonSerializer.Serialize(request.LineItems);
+
+        var billing = new TenantBillingStatement
+        {
+            TenantId = request.TenantId,
+            StatementNo = statementNo,
+            BillingType = request.BillingType,
+            SubscriptionId = null,
+            PeriodStart = now,
+            PeriodEnd = now,
+            AmountDue = request.AmountDue,
+            DiscountAmount = 0m,
+            TaxAmount = 0m,
+            AmountPaid = 0m,
+            Currency = "CNY",
+            Status = TenantBillingStatus.Pending,
+            DueDate = request.DueDate,
+            LineItemsJson = lineItemsJson,
+            Notes = request.Notes
+        };
+
+        // 3. 持久化账单
+        await billingRepository.AddAsync(billing, cancellationToken);
+        await billingRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回详情 DTO
+        return billing.ToBillingDetailDto([], tenant.Name);
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ExportBillingsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ExportBillingsQueryHandler.cs
new file mode 100644
index 0000000..7731d80
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ExportBillingsQueryHandler.cs
@@ -0,0 +1,44 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Domain.Tenants.Services;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 导出账单处理器。
+/// </summary>
+public sealed class ExportBillingsQueryHandler(
+    ITenantBillingRepository billingRepository,
+    IBillingExportService exportService)
+    : IRequestHandler<ExportBillingsQuery, byte[]>
+{
+    /// <inheritdoc />
+    public async Task<byte[]> Handle(ExportBillingsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 参数验证
+        if (request.BillingIds.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "账单 ID 列表不能为空");
+        }
+
+        // 2. 查询账单数据
+        var billings = await billingRepository.GetByIdsAsync(request.BillingIds, cancellationToken);
+        if (billings.Count == 0)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "未找到任何匹配的账单");
+        }
+
+        // 3. 根据格式导出
+        var format = (request.Format ?? string.Empty).Trim().ToLowerInvariant();
+        return format switch
+        {
+            "excel" or "xlsx" => await exportService.ExportToExcelAsync(billings, cancellationToken),
+            "pdf" => await exportService.ExportToPdfAsync(billings, cancellationToken),
+            "csv" => await exportService.ExportToCsvAsync(billings, cancellationToken),
+            _ => throw new BusinessException(ErrorCodes.BadRequest, $"不支持的导出格式: {request.Format}")
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GenerateSubscriptionBillingCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GenerateSubscriptionBillingCommandHandler.cs
new file mode 100644
index 0000000..d92b089
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GenerateSubscriptionBillingCommandHandler.cs
@@ -0,0 +1,102 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 生成订阅账单命令处理器。
+/// </summary>
+public sealed class GenerateSubscriptionBillingCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    ITenantBillingRepository billingRepository,
+    IIdGenerator idGenerator)
+    : IRequestHandler<GenerateSubscriptionBillingCommand, BillingDetailDto>
+{
+    /// <inheritdoc />
+    public async Task<BillingDetailDto> Handle(GenerateSubscriptionBillingCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询订阅详情（含租户/套餐信息）
+        var detail = await subscriptionRepository.GetDetailAsync(request.SubscriptionId, cancellationToken);
+        if (detail is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "订阅不存在");
+        }
+
+        // 2. 校验套餐价格信息
+        var subscription = detail.Subscription;
+        var package = detail.Package;
+        if (package is null)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "订阅未关联有效套餐，无法生成账单");
+        }
+
+        // 3. 按订阅周期选择价格（简化规则：优先按年/按月）
+        var billingPeriodDays = (subscription.EffectiveTo - subscription.EffectiveFrom).TotalDays;
+        var amountDue = billingPeriodDays >= 300
+            ? package.YearlyPrice
+            : package.MonthlyPrice;
+
+        if (!amountDue.HasValue)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "套餐价格未配置，无法生成账单");
+        }
+
+        // 4. 幂等校验：同一周期开始时间仅允许存在一张未取消账单
+        var exists = await billingRepository.ExistsNotCancelledByPeriodStartAsync(subscription.TenantId, subscription.EffectiveFrom, cancellationToken);
+        if (exists)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "该订阅周期的账单已存在");
+        }
+
+        // 5. 构建账单实体
+        var now = DateTime.UtcNow;
+        var statementNo = $"BIL-{now:yyyyMMdd}-{idGenerator.NextId()}";
+        var lineItems = new List<BillingLineItemDto>
+        {
+            new()
+            {
+                ItemType = "Subscription",
+                Description = $"套餐 {package.Name} 订阅费用",
+                Quantity = 1,
+                UnitPrice = amountDue.Value,
+                Amount = amountDue.Value,
+                DiscountRate = null
+            }
+        };
+
+        var billing = new TenantBillingStatement
+        {
+            TenantId = subscription.TenantId,
+            StatementNo = statementNo,
+            BillingType = BillingType.Subscription,
+            SubscriptionId = subscription.Id,
+            PeriodStart = subscription.EffectiveFrom,
+            PeriodEnd = subscription.EffectiveTo,
+            AmountDue = amountDue.Value,
+            DiscountAmount = 0m,
+            TaxAmount = 0m,
+            AmountPaid = 0m,
+            Currency = "CNY",
+            Status = TenantBillingStatus.Pending,
+            DueDate = now.AddDays(7),
+            LineItemsJson = JsonSerializer.Serialize(lineItems),
+            Notes = subscription.Notes
+        };
+
+        // 6. 持久化账单
+        await billingRepository.AddAsync(billing, cancellationToken);
+        await billingRepository.SaveChangesAsync(cancellationToken);
+
+        // 7. 返回详情 DTO
+        return billing.ToBillingDetailDto([], detail.TenantName);
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillDetailQueryHandler.cs
new file mode 100644
index 0000000..c368fac
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillDetailQueryHandler.cs
@@ -0,0 +1,41 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 获取账单详情查询处理器。
+/// </summary>
+public sealed class GetBillDetailQueryHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantPaymentRepository paymentRepository,
+    ITenantRepository tenantRepository)
+    : IRequestHandler<GetBillDetailQuery, BillDetailDto?>
+{
+    /// <summary>
+    /// 处理获取账单详情请求。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>账单详情或 null。</returns>
+    public async Task<BillDetailDto?> Handle(GetBillDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询账单
+        var bill = await billingRepository.FindByIdAsync(request.BillId, cancellationToken);
+        if (bill is null)
+        {
+            return null;
+        }
+
+        // 2. 查询支付记录
+        var payments = await paymentRepository.GetByBillingIdAsync(request.BillId, cancellationToken);
+
+        // 3. 查询租户名称
+        var tenant = await tenantRepository.FindByIdAsync(bill.TenantId, cancellationToken);
+
+        // 4. 返回详情 DTO
+        return bill.ToDetailDto(payments.ToList(), tenant?.Name);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillListQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillListQueryHandler.cs
new file mode 100644
index 0000000..51782d5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillListQueryHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 获取账单列表查询处理器。
+/// </summary>
+public sealed class GetBillListQueryHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantRepository tenantRepository)
+    : IRequestHandler<GetBillListQuery, PagedResult<BillDto>>
+{
+    /// <summary>
+    /// 处理获取账单列表请求。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页账单列表。</returns>
+    public async Task<PagedResult<BillDto>> Handle(GetBillListQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 分页查询账单
+        var (bills, total) = await billingRepository.SearchPagedAsync(
+            request.TenantId,
+            request.Status,
+            request.StartDate,
+            request.EndDate,
+            null,
+            null,
+            request.Keyword,
+            request.PageNumber,
+            request.PageSize,
+            cancellationToken);
+
+        // 2. 无数据直接返回
+        if (bills.Count == 0)
+        {
+            return new PagedResult<BillDto>([], request.PageNumber, request.PageSize, total);
+        }
+
+        // 3. 批量查询租户信息
+        var tenantIds = bills.Select(b => b.TenantId).Distinct().ToArray();
+        var tenants = await tenantRepository.FindByIdsAsync(tenantIds, cancellationToken);
+        var tenantDict = tenants.ToDictionary(t => t.Id, t => t.Name);
+
+        // 4. 映射 DTO
+        var result = bills.Select(b => b.ToDto(tenantDict.GetValueOrDefault(b.TenantId))).ToList();
+
+        // 5. 返回分页结果
+        return new PagedResult<BillDto>(result, request.PageNumber, request.PageSize, total);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs
new file mode 100644
index 0000000..cb9ae96
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs
@@ -0,0 +1,236 @@
+using MediatR;
+using System.Data;
+using System.Data.Common;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 查询账单详情处理器。
+/// </summary>
+public sealed class GetBillingDetailQueryHandler(
+    IDapperExecutor dapperExecutor)
+    : IRequestHandler<GetBillingDetailQuery, BillingDetailDto>
+{
+    /// <summary>
+    /// 处理查询账单详情请求。
+    /// </summary>
+    /// <param name="request">查询命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>账单详情 DTO。</returns>
+    public async Task<BillingDetailDto> Handle(GetBillingDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询账单 + 支付记录（同一连接，避免多次往返）
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 1.1 查询账单
+                await using var billCommand = CreateCommand(
+                    connection,
+                    BuildBillingSql(),
+                    [
+                        ("billingId", request.BillingId)
+                    ]);
+
+                await using var billReader = await billCommand.ExecuteReaderAsync(token);
+                if (!await billReader.ReadAsync(token))
+                {
+                    throw new BusinessException(ErrorCodes.NotFound, "账单不存在");
+                }
+
+                // 1.2 读取账单行数据到内存（释放 Reader，避免同连接并发执行命令）
+                var billingId = billReader.GetInt64(0);
+                var tenantId = billReader.GetInt64(1);
+                var tenantName = billReader.IsDBNull(2) ? string.Empty : billReader.GetString(2);
+                long? subscriptionId = billReader.IsDBNull(3) ? null : billReader.GetInt64(3);
+                var statementNo = billReader.GetString(4);
+                var billingType = (BillingType)billReader.GetInt32(5);
+                var status = (TenantBillingStatus)billReader.GetInt32(6);
+                var periodStart = billReader.GetDateTime(7);
+                var periodEnd = billReader.GetDateTime(8);
+                var amountDue = billReader.GetDecimal(9);
+                var discountAmount = billReader.GetDecimal(10);
+                var taxAmount = billReader.GetDecimal(11);
+                var amountPaid = billReader.GetDecimal(12);
+                var currency = billReader.IsDBNull(13) ? "CNY" : billReader.GetString(13);
+                var dueDate = billReader.GetDateTime(14);
+                DateTime? reminderSentAt = billReader.IsDBNull(15) ? null : billReader.GetDateTime(15);
+                DateTime? overdueNotifiedAt = billReader.IsDBNull(16) ? null : billReader.GetDateTime(16);
+                var notes = billReader.IsDBNull(17) ? null : billReader.GetString(17);
+                var lineItemsJson = billReader.IsDBNull(18) ? null : billReader.GetString(18);
+                var createdAt = billReader.GetDateTime(19);
+                long? createdBy = billReader.IsDBNull(20) ? null : billReader.GetInt64(20);
+                DateTime? updatedAt = billReader.IsDBNull(21) ? null : billReader.GetDateTime(21);
+                long? updatedBy = billReader.IsDBNull(22) ? null : billReader.GetInt64(22);
+
+                // 1.3 主动释放账单 Reader，确保后续查询不会触发 Npgsql 并发命令异常
+                await billReader.DisposeAsync();
+
+                // 1.4 反序列化账单明细
+                var lineItems = new List<BillingLineItemDto>();
+                if (!string.IsNullOrWhiteSpace(lineItemsJson))
+                {
+                    try
+                    {
+                        lineItems = JsonSerializer.Deserialize<List<BillingLineItemDto>>(lineItemsJson) ?? [];
+                    }
+                    catch
+                    {
+                        lineItems = [];
+                    }
+                }
+
+                // 1.5 查询支付记录
+                var payments = new List<PaymentRecordDto>();
+                await using var paymentCommand = CreateCommand(
+                    connection,
+                    BuildPaymentsSql(),
+                    [
+                        ("billingId", request.BillingId)
+                    ]);
+
+                await using var paymentReader = await paymentCommand.ExecuteReaderAsync(token);
+                while (await paymentReader.ReadAsync(token))
+                {
+                    payments.Add(new PaymentRecordDto
+                    {
+                        Id = paymentReader.GetInt64(0),
+                        TenantId = paymentReader.GetInt64(1),
+                        BillingId = paymentReader.GetInt64(2),
+                        Amount = paymentReader.GetDecimal(3),
+                        Method = (TenantPaymentMethod)paymentReader.GetInt32(4),
+                        Status = (TenantPaymentStatus)paymentReader.GetInt32(5),
+                        TransactionNo = paymentReader.IsDBNull(6) ? null : paymentReader.GetString(6),
+                        ProofUrl = paymentReader.IsDBNull(7) ? null : paymentReader.GetString(7),
+                        Notes = paymentReader.IsDBNull(8) ? null : paymentReader.GetString(8),
+                        VerifiedBy = paymentReader.IsDBNull(9) ? null : paymentReader.GetInt64(9),
+                        VerifiedAt = paymentReader.IsDBNull(10) ? null : paymentReader.GetDateTime(10),
+                        RefundReason = paymentReader.IsDBNull(11) ? null : paymentReader.GetString(11),
+                        RefundedAt = paymentReader.IsDBNull(12) ? null : paymentReader.GetDateTime(12),
+                        PaidAt = paymentReader.IsDBNull(13) ? null : paymentReader.GetDateTime(13),
+                        IsVerified = !paymentReader.IsDBNull(10),
+                        CreatedAt = paymentReader.GetDateTime(14)
+                    });
+                }
+
+                // 1.6 组装详情 DTO
+                var totalAmount = amountDue - discountAmount + taxAmount;
+
+                return new BillingDetailDto
+                {
+                    Id = billingId,
+                    TenantId = tenantId,
+                    TenantName = tenantName,
+                    SubscriptionId = subscriptionId,
+                    StatementNo = statementNo,
+                    BillingType = billingType,
+                    Status = status,
+                    PeriodStart = periodStart,
+                    PeriodEnd = periodEnd,
+                    AmountDue = amountDue,
+                    DiscountAmount = discountAmount,
+                    TaxAmount = taxAmount,
+                    TotalAmount = totalAmount,
+                    AmountPaid = amountPaid,
+                    Currency = currency,
+                    DueDate = dueDate,
+                    ReminderSentAt = reminderSentAt,
+                    OverdueNotifiedAt = overdueNotifiedAt,
+                    LineItemsJson = lineItemsJson,
+                    LineItems = lineItems,
+                    Payments = payments,
+                    Notes = notes,
+                    CreatedAt = createdAt,
+                    CreatedBy = createdBy,
+                    UpdatedAt = updatedAt,
+                    UpdatedBy = updatedBy
+                };
+            },
+            cancellationToken);
+    }
+
+    private static string BuildBillingSql()
+    {
+        return """
+            select
+              b."Id",
+              b."TenantId",
+              t."Name" as "TenantName",
+              b."SubscriptionId",
+              b."StatementNo",
+              b."BillingType",
+              b."Status",
+              b."PeriodStart",
+              b."PeriodEnd",
+              b."AmountDue",
+              b."DiscountAmount",
+              b."TaxAmount",
+              b."AmountPaid",
+              b."Currency",
+              b."DueDate",
+              b."ReminderSentAt",
+              b."OverdueNotifiedAt",
+              b."Notes",
+              b."LineItemsJson",
+              b."CreatedAt",
+              b."CreatedBy",
+              b."UpdatedAt",
+              b."UpdatedBy"
+            from public.tenant_billing_statements b
+            join public.tenants t on t."Id" = b."TenantId" and t."DeletedAt" is null
+            where b."DeletedAt" is null
+              and b."Id" = @billingId
+            limit 1;
+            """;
+    }
+
+    private static string BuildPaymentsSql()
+    {
+        return """
+            select
+              p."Id",
+              p."TenantId",
+              p."BillingStatementId",
+              p."Amount",
+              p."Method",
+              p."Status",
+              p."TransactionNo",
+              p."ProofUrl",
+              p."Notes",
+              p."VerifiedBy",
+              p."VerifiedAt",
+              p."RefundReason",
+              p."RefundedAt",
+              p."PaidAt",
+              p."CreatedAt"
+            from public.tenant_payments p
+            where p."DeletedAt" is null
+              and p."BillingStatementId" = @billingId
+            order by p."CreatedAt" desc;
+            """;
+    }
+
+    private static DbCommand CreateCommand(IDbConnection connection, string sql, (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        foreach (var (name, value) in parameters)
+        {
+            var p = command.CreateParameter();
+            p.ParameterName = name;
+            p.Value = value ?? DBNull.Value;
+            command.Parameters.Add(p);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingListQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingListQueryHandler.cs
new file mode 100644
index 0000000..f88c50a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingListQueryHandler.cs
@@ -0,0 +1,250 @@
+using MediatR;
+using System.Data;
+using System.Data.Common;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 分页查询账单列表处理器。
+/// </summary>
+public sealed class GetBillingListQueryHandler(
+    IDapperExecutor dapperExecutor,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetBillingListQuery, PagedResult<BillingListDto>>
+{
+    /// <summary>
+    /// 处理分页查询账单列表请求。
+    /// </summary>
+    /// <param name="request">查询命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页账单列表 DTO。</returns>
+    public async Task<PagedResult<BillingListDto>> Handle(GetBillingListQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户查询
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户查询账单");
+        }
+        var tenantId = currentTenantId;
+
+        // 3. (空行后) 参数规范化
+        var page = request.PageNumber <= 0 ? 1 : request.PageNumber;
+        var pageSize = request.PageSize is <= 0 or > 200 ? 20 : request.PageSize;
+        var keyword = string.IsNullOrWhiteSpace(request.Keyword) ? null : request.Keyword.Trim();
+        var minAmount = request.MinAmount;
+        var maxAmount = request.MaxAmount;
+        var offset = (page - 1) * pageSize;
+
+        // 1.1 金额区间规范化（避免 min > max 导致结果为空）
+        if (minAmount.HasValue && maxAmount.HasValue && minAmount.Value > maxAmount.Value)
+        {
+            (minAmount, maxAmount) = (maxAmount, minAmount);
+        }
+
+        // 2. 排序白名单（防 SQL 注入）
+        var orderBy = request.SortBy?.Trim() switch
+        {
+            "DueDate" => "b.\"DueDate\"",
+            "AmountDue" => "b.\"AmountDue\"",
+            "PeriodStart" => "b.\"PeriodStart\"",
+            "PeriodEnd" => "b.\"PeriodEnd\"",
+            "CreatedAt" => "b.\"CreatedAt\"",
+            _ => "b.\"CreatedAt\""
+        };
+
+        // 3. 查询总数 + 列表
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 3.1 统计总数
+                var total = await ExecuteScalarIntAsync(
+                    connection,
+                    BuildCountSql(),
+                    [
+                        ("tenantId", tenantId),
+                        ("status", request.Status.HasValue ? (int)request.Status.Value : null),
+                        ("billingType", request.BillingType.HasValue ? (int)request.BillingType.Value : null),
+                        ("startDate", request.StartDate),
+                        ("endDate", request.EndDate),
+                        ("minAmount", minAmount),
+                        ("maxAmount", maxAmount),
+                        ("keyword", keyword)
+                    ],
+                    token);
+
+                // 3.2 查询列表
+                var listSql = BuildListSql(orderBy, request.SortDesc);
+                await using var listCommand = CreateCommand(
+                    connection,
+                    listSql,
+                    [
+                        ("tenantId", tenantId),
+                        ("status", request.Status.HasValue ? (int)request.Status.Value : null),
+                        ("billingType", request.BillingType.HasValue ? (int)request.BillingType.Value : null),
+                        ("startDate", request.StartDate),
+                        ("endDate", request.EndDate),
+                        ("minAmount", minAmount),
+                        ("maxAmount", maxAmount),
+                        ("keyword", keyword),
+                        ("offset", offset),
+                        ("limit", pageSize)
+                    ]);
+
+                await using var reader = await listCommand.ExecuteReaderAsync(token);
+                var now = DateTime.UtcNow;
+                var items = new List<BillingListDto>();
+                while (await reader.ReadAsync(token))
+                {
+                    var dueDate = reader.GetDateTime(13);
+                    var status = (TenantBillingStatus)reader.GetInt32(12);
+                    var amountDue = reader.GetDecimal(8);
+                    var discountAmount = reader.GetDecimal(9);
+                    var taxAmount = reader.GetDecimal(10);
+                    var totalAmount = amountDue - discountAmount + taxAmount;
+
+                    // 3.2.1 逾期辅助字段
+                    var isOverdue = status is TenantBillingStatus.Overdue
+                                    || (status is TenantBillingStatus.Pending && dueDate < now);
+                    var overdueDays = dueDate < now ? (int)(now - dueDate).TotalDays : 0;
+
+                    items.Add(new BillingListDto
+                    {
+                        Id = reader.GetInt64(0),
+                        TenantId = reader.GetInt64(1),
+                        TenantName = reader.IsDBNull(2) ? string.Empty : reader.GetString(2),
+                        SubscriptionId = reader.IsDBNull(3) ? null : reader.GetInt64(3),
+                        StatementNo = reader.GetString(4),
+                        BillingType = (BillingType)reader.GetInt32(5),
+                        PeriodStart = reader.GetDateTime(6),
+                        PeriodEnd = reader.GetDateTime(7),
+                        AmountDue = amountDue,
+                        DiscountAmount = discountAmount,
+                        TaxAmount = taxAmount,
+                        TotalAmount = totalAmount,
+                        AmountPaid = reader.GetDecimal(11),
+                        Currency = reader.IsDBNull(14) ? "CNY" : reader.GetString(14),
+                        Status = status,
+                        DueDate = dueDate,
+                        IsOverdue = isOverdue,
+                        OverdueDays = overdueDays,
+                        CreatedAt = reader.GetDateTime(15),
+                        UpdatedAt = reader.IsDBNull(16) ? null : reader.GetDateTime(16)
+                    });
+                }
+
+                // 3.3 返回分页
+                return new PagedResult<BillingListDto>(items, page, pageSize, total);
+            },
+            cancellationToken);
+    }
+
+    private static string BuildCountSql()
+    {
+        return """
+            select count(*)
+            from public.tenant_billing_statements b
+            join public.tenants t on t."Id" = b."TenantId" and t."DeletedAt" is null
+            where b."DeletedAt" is null
+              and b."TenantId" = @tenantId
+              and (@status::int is null or b."Status" = @status)
+              and (@billingType::int is null or b."BillingType" = @billingType)
+              and (@startDate::timestamp with time zone is null or b."PeriodStart" >= @startDate)
+              and (@endDate::timestamp with time zone is null or b."PeriodEnd" <= @endDate)
+              and (@minAmount::numeric is null or b."AmountDue" >= @minAmount)
+              and (@maxAmount::numeric is null or b."AmountDue" <= @maxAmount)
+              and (
+                @keyword::text is null
+                or b."StatementNo" ilike ('%' || @keyword::text || '%')
+                or t."Name" ilike ('%' || @keyword::text || '%')
+              );
+            """;
+    }
+
+    private static string BuildListSql(string orderBy, bool sortDesc)
+    {
+        var direction = sortDesc ? "desc" : "asc";
+
+        return $"""
+            select
+              b."Id",
+              b."TenantId",
+              t."Name" as "TenantName",
+              b."SubscriptionId",
+              b."StatementNo",
+              b."BillingType",
+              b."PeriodStart",
+              b."PeriodEnd",
+              b."AmountDue",
+              b."DiscountAmount",
+              b."TaxAmount",
+              b."AmountPaid",
+              b."Status",
+              b."DueDate",
+              b."Currency",
+              b."CreatedAt",
+              b."UpdatedAt"
+            from public.tenant_billing_statements b
+            join public.tenants t on t."Id" = b."TenantId" and t."DeletedAt" is null
+            where b."DeletedAt" is null
+              and b."TenantId" = @tenantId
+              and (@status::int is null or b."Status" = @status)
+              and (@billingType::int is null or b."BillingType" = @billingType)
+              and (@startDate::timestamp with time zone is null or b."PeriodStart" >= @startDate)
+              and (@endDate::timestamp with time zone is null or b."PeriodEnd" <= @endDate)
+              and (@minAmount::numeric is null or b."AmountDue" >= @minAmount)
+              and (@maxAmount::numeric is null or b."AmountDue" <= @maxAmount)
+              and (
+                @keyword::text is null
+                or b."StatementNo" ilike ('%' || @keyword::text || '%')
+                or t."Name" ilike ('%' || @keyword::text || '%')
+              )
+            order by {orderBy} {direction}
+            offset @offset
+            limit @limit;
+            """;
+    }
+
+    private static async Task<int> ExecuteScalarIntAsync(
+        IDbConnection connection,
+        string sql,
+        (string Name, object? Value)[] parameters,
+        CancellationToken cancellationToken)
+    {
+        await using var command = CreateCommand(connection, sql, parameters);
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return result is null or DBNull ? 0 : Convert.ToInt32(result);
+    }
+
+    private static DbCommand CreateCommand(IDbConnection connection, string sql, (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        foreach (var (name, value) in parameters)
+        {
+            var p = command.CreateParameter();
+            p.ParameterName = name;
+            p.Value = value ?? DBNull.Value;
+            command.Parameters.Add(p);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingPaymentsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingPaymentsQueryHandler.cs
new file mode 100644
index 0000000..b7df3b5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingPaymentsQueryHandler.cs
@@ -0,0 +1,139 @@
+using MediatR;
+using System.Data;
+using System.Data.Common;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 查询账单支付记录处理器。
+/// </summary>
+public sealed class GetBillingPaymentsQueryHandler(
+    IDapperExecutor dapperExecutor)
+    : IRequestHandler<GetBillingPaymentsQuery, List<PaymentRecordDto>>
+{
+    /// <summary>
+    /// 处理查询账单支付记录请求。
+    /// </summary>
+    /// <param name="request">查询命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录列表 DTO。</returns>
+    public async Task<List<PaymentRecordDto>> Handle(GetBillingPaymentsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验账单是否存在
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 1.1 校验账单存在
+                var exists = await ExecuteScalarIntAsync(
+                    connection,
+                    """
+                    select 1
+                    from public.tenant_billing_statements b
+                    where b."DeletedAt" is null
+                      and b."Id" = @billingId
+                    limit 1;
+                    """,
+                    [
+                        ("billingId", request.BillingId)
+                    ],
+                    token);
+
+                if (exists == 0)
+                {
+                    throw new BusinessException(ErrorCodes.NotFound, "账单不存在");
+                }
+
+                // 1.2 查询支付记录
+                await using var command = CreateCommand(
+                    connection,
+                    """
+                    select
+                      p."Id",
+                      p."TenantId",
+                      p."BillingStatementId",
+                      p."Amount",
+                      p."Method",
+                      p."Status",
+                      p."TransactionNo",
+                      p."ProofUrl",
+                      p."Notes",
+                      p."VerifiedBy",
+                      p."VerifiedAt",
+                      p."RefundReason",
+                      p."RefundedAt",
+                      p."PaidAt",
+                      p."CreatedAt"
+                    from public.tenant_payments p
+                    where p."DeletedAt" is null
+                      and p."BillingStatementId" = @billingId
+                    order by p."CreatedAt" desc;
+                    """,
+                    [
+                        ("billingId", request.BillingId)
+                    ]);
+
+                await using var reader = await command.ExecuteReaderAsync(token);
+                var results = new List<PaymentRecordDto>();
+                while (await reader.ReadAsync(token))
+                {
+                    results.Add(new PaymentRecordDto
+                    {
+                        Id = reader.GetInt64(0),
+                        TenantId = reader.GetInt64(1),
+                        BillingId = reader.GetInt64(2),
+                        Amount = reader.GetDecimal(3),
+                        Method = (TenantPaymentMethod)reader.GetInt32(4),
+                        Status = (TenantPaymentStatus)reader.GetInt32(5),
+                        TransactionNo = reader.IsDBNull(6) ? null : reader.GetString(6),
+                        ProofUrl = reader.IsDBNull(7) ? null : reader.GetString(7),
+                        Notes = reader.IsDBNull(8) ? null : reader.GetString(8),
+                        VerifiedBy = reader.IsDBNull(9) ? null : reader.GetInt64(9),
+                        VerifiedAt = reader.IsDBNull(10) ? null : reader.GetDateTime(10),
+                        RefundReason = reader.IsDBNull(11) ? null : reader.GetString(11),
+                        RefundedAt = reader.IsDBNull(12) ? null : reader.GetDateTime(12),
+                        PaidAt = reader.IsDBNull(13) ? null : reader.GetDateTime(13),
+                        IsVerified = !reader.IsDBNull(10),
+                        CreatedAt = reader.GetDateTime(14)
+                    });
+                }
+
+                return results;
+            },
+            cancellationToken);
+    }
+
+    private static async Task<int> ExecuteScalarIntAsync(
+        IDbConnection connection,
+        string sql,
+        (string Name, object? Value)[] parameters,
+        CancellationToken cancellationToken)
+    {
+        await using var command = CreateCommand(connection, sql, parameters);
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return result is null or DBNull ? 0 : Convert.ToInt32(result);
+    }
+
+    private static DbCommand CreateCommand(IDbConnection connection, string sql, (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        foreach (var (name, value) in parameters)
+        {
+            var p = command.CreateParameter();
+            p.ParameterName = name;
+            p.Value = value ?? DBNull.Value;
+            command.Parameters.Add(p);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingStatisticsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingStatisticsQueryHandler.cs
new file mode 100644
index 0000000..4410e6e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingStatisticsQueryHandler.cs
@@ -0,0 +1,204 @@
+using MediatR;
+using System.Data;
+using System.Data.Common;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 查询账单统计数据处理器。
+/// </summary>
+public sealed class GetBillingStatisticsQueryHandler(
+    IDapperExecutor dapperExecutor,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetBillingStatisticsQuery, BillingStatisticsDto>
+{
+    /// <summary>
+    /// 处理查询账单统计数据请求。
+    /// </summary>
+    /// <param name="request">查询命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>账单统计数据 DTO。</returns>
+    public async Task<BillingStatisticsDto> Handle(GetBillingStatisticsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户统计
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户统计账单");
+        }
+        var tenantId = currentTenantId;
+
+        // 3. (空行后) 参数规范化
+        var startDate = request.StartDate ?? DateTime.UtcNow.AddMonths(-1);
+        var endDate = request.EndDate ?? DateTime.UtcNow;
+        var groupBy = NormalizeGroupBy(request.GroupBy);
+
+        // 2. 查询统计数据（总览 + 趋势）
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 2.1 总览统计
+                await using var summaryCommand = CreateCommand(
+                    connection,
+                    BuildSummarySql(),
+                    [
+                        ("tenantId", tenantId),
+                        ("startDate", startDate),
+                        ("endDate", endDate),
+                        ("now", DateTime.UtcNow)
+                    ]);
+
+                await using var summaryReader = await summaryCommand.ExecuteReaderAsync(token);
+                await summaryReader.ReadAsync(token);
+
+                var totalCount = summaryReader.IsDBNull(0) ? 0 : summaryReader.GetInt32(0);
+                var pendingCount = summaryReader.IsDBNull(1) ? 0 : summaryReader.GetInt32(1);
+                var paidCount = summaryReader.IsDBNull(2) ? 0 : summaryReader.GetInt32(2);
+                var overdueCount = summaryReader.IsDBNull(3) ? 0 : summaryReader.GetInt32(3);
+                var cancelledCount = summaryReader.IsDBNull(4) ? 0 : summaryReader.GetInt32(4);
+                var totalAmountDue = summaryReader.IsDBNull(5) ? 0m : summaryReader.GetDecimal(5);
+                var totalAmountPaid = summaryReader.IsDBNull(6) ? 0m : summaryReader.GetDecimal(6);
+                var totalAmountUnpaid = summaryReader.IsDBNull(7) ? 0m : summaryReader.GetDecimal(7);
+                var totalOverdueAmount = summaryReader.IsDBNull(8) ? 0m : summaryReader.GetDecimal(8);
+
+                // 2.2 趋势数据
+                await using var trendCommand = CreateCommand(
+                    connection,
+                    BuildTrendSql(groupBy),
+                    [
+                        ("tenantId", tenantId),
+                        ("startDate", startDate),
+                        ("endDate", endDate)
+                    ]);
+
+                await using var trendReader = await trendCommand.ExecuteReaderAsync(token);
+                var amountDueTrend = new Dictionary<string, decimal>();
+                var amountPaidTrend = new Dictionary<string, decimal>();
+                var countTrend = new Dictionary<string, int>();
+                while (await trendReader.ReadAsync(token))
+                {
+                    var bucket = trendReader.GetDateTime(0);
+                    var key = bucket.ToString("yyyy-MM-dd");
+
+                    amountDueTrend[key] = trendReader.IsDBNull(1) ? 0m : trendReader.GetDecimal(1);
+                    amountPaidTrend[key] = trendReader.IsDBNull(2) ? 0m : trendReader.GetDecimal(2);
+                    countTrend[key] = trendReader.IsDBNull(3) ? 0 : trendReader.GetInt32(3);
+                }
+
+                // 2.3 组装 DTO
+                return new BillingStatisticsDto
+                {
+                    TenantId = tenantId,
+                    StartDate = startDate,
+                    EndDate = endDate,
+                    GroupBy = groupBy,
+                    TotalCount = totalCount,
+                    PendingCount = pendingCount,
+                    PaidCount = paidCount,
+                    OverdueCount = overdueCount,
+                    CancelledCount = cancelledCount,
+                    TotalAmountDue = totalAmountDue,
+                    TotalAmountPaid = totalAmountPaid,
+                    TotalAmountUnpaid = totalAmountUnpaid,
+                    TotalOverdueAmount = totalOverdueAmount,
+                    AmountDueTrend = amountDueTrend,
+                    AmountPaidTrend = amountPaidTrend,
+                    CountTrend = countTrend
+                };
+            },
+            cancellationToken);
+    }
+
+    private static string NormalizeGroupBy(string? groupBy)
+    {
+        return groupBy?.Trim() switch
+        {
+            "Week" => "Week",
+            "Month" => "Month",
+            _ => "Day"
+        };
+    }
+
+    private static string BuildSummarySql()
+    {
+        return """
+            select
+              count(*)::int as "TotalCount",
+              coalesce(sum(case when b."Status" = 0 then 1 else 0 end), 0)::int as "PendingCount",
+              coalesce(sum(case when b."Status" = 1 then 1 else 0 end), 0)::int as "PaidCount",
+              coalesce(sum(case when b."Status" = 2 then 1 else 0 end), 0)::int as "OverdueCount",
+              coalesce(sum(case when b."Status" = 3 then 1 else 0 end), 0)::int as "CancelledCount",
+              coalesce(sum(b."AmountDue"), 0)::numeric as "TotalAmountDue",
+              coalesce(sum(b."AmountPaid"), 0)::numeric as "TotalAmountPaid",
+              coalesce(sum((b."AmountDue" - b."DiscountAmount" + b."TaxAmount") - b."AmountPaid"), 0)::numeric as "TotalAmountUnpaid",
+              coalesce(sum(
+                case
+                  when b."Status" in (0, 2) and b."DueDate" < @now
+                    then (b."AmountDue" - b."DiscountAmount" + b."TaxAmount") - b."AmountPaid"
+                  else 0
+                end
+              ), 0)::numeric as "TotalOverdueAmount"
+            from public.tenant_billing_statements b
+            where b."DeletedAt" is null
+              and b."TenantId" = @tenantId
+              and b."PeriodStart" >= @startDate
+              and b."PeriodEnd" <= @endDate;
+            """;
+    }
+
+    private static string BuildTrendSql(string groupBy)
+    {
+        var dateTrunc = groupBy switch
+        {
+            "Week" => "week",
+            "Month" => "month",
+            _ => "day"
+        };
+
+        return $"""
+            select
+              date_trunc('{dateTrunc}', b."PeriodStart") as "Bucket",
+              coalesce(sum(b."AmountDue"), 0)::numeric as "AmountDue",
+              coalesce(sum(b."AmountPaid"), 0)::numeric as "AmountPaid",
+              count(*)::int as "Count"
+            from public.tenant_billing_statements b
+            where b."DeletedAt" is null
+              and b."TenantId" = @tenantId
+              and b."PeriodStart" >= @startDate
+              and b."PeriodEnd" <= @endDate
+            group by 1
+            order by 1 asc;
+            """;
+    }
+
+    private static DbCommand CreateCommand(IDbConnection connection, string sql, (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        foreach (var (name, value) in parameters)
+        {
+            var p = command.CreateParameter();
+            p.ParameterName = name;
+            p.Value = value ?? DBNull.Value;
+            command.Parameters.Add(p);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetOverdueBillingsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetOverdueBillingsQueryHandler.cs
new file mode 100644
index 0000000..b75fecd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetOverdueBillingsQueryHandler.cs
@@ -0,0 +1,172 @@
+using MediatR;
+using System.Data;
+using System.Data.Common;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 查询逾期账单列表处理器。
+/// </summary>
+public sealed class GetOverdueBillingsQueryHandler(
+    IDapperExecutor dapperExecutor)
+    : IRequestHandler<GetOverdueBillingsQuery, PagedResult<BillingListDto>>
+{
+    /// <summary>
+    /// 处理查询逾期账单列表请求。
+    /// </summary>
+    /// <param name="request">查询命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页逾期账单列表 DTO。</returns>
+    public async Task<PagedResult<BillingListDto>> Handle(GetOverdueBillingsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 参数规范化
+        var page = request.PageNumber <= 0 ? 1 : request.PageNumber;
+        var pageSize = request.PageSize is <= 0 or > 200 ? 20 : request.PageSize;
+        var offset = (page - 1) * pageSize;
+        var now = DateTime.UtcNow;
+
+        // 2. 查询总数 + 列表
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 2.1 统计总数
+                var total = await ExecuteScalarIntAsync(
+                    connection,
+                    BuildCountSql(),
+                    [
+                        ("now", now)
+                    ],
+                    token);
+
+                // 2.2 查询列表
+                await using var listCommand = CreateCommand(
+                    connection,
+                    BuildListSql(),
+                    [
+                        ("now", now),
+                        ("offset", offset),
+                        ("limit", pageSize)
+                    ]);
+
+                await using var reader = await listCommand.ExecuteReaderAsync(token);
+                var items = new List<BillingListDto>();
+                while (await reader.ReadAsync(token))
+                {
+                    var dueDate = reader.GetDateTime(13);
+                    var status = (TenantBillingStatus)reader.GetInt32(12);
+                    var amountDue = reader.GetDecimal(8);
+                    var discountAmount = reader.GetDecimal(9);
+                    var taxAmount = reader.GetDecimal(10);
+                    var totalAmount = amountDue - discountAmount + taxAmount;
+                    var overdueDays = dueDate < now ? (int)(now - dueDate).TotalDays : 0;
+
+                    items.Add(new BillingListDto
+                    {
+                        Id = reader.GetInt64(0),
+                        TenantId = reader.GetInt64(1),
+                        TenantName = reader.IsDBNull(2) ? string.Empty : reader.GetString(2),
+                        SubscriptionId = reader.IsDBNull(3) ? null : reader.GetInt64(3),
+                        StatementNo = reader.GetString(4),
+                        BillingType = (BillingType)reader.GetInt32(5),
+                        PeriodStart = reader.GetDateTime(6),
+                        PeriodEnd = reader.GetDateTime(7),
+                        AmountDue = amountDue,
+                        DiscountAmount = discountAmount,
+                        TaxAmount = taxAmount,
+                        TotalAmount = totalAmount,
+                        AmountPaid = reader.GetDecimal(11),
+                        Status = status,
+                        DueDate = dueDate,
+                        Currency = reader.IsDBNull(14) ? "CNY" : reader.GetString(14),
+                        IsOverdue = true,
+                        OverdueDays = overdueDays,
+                        CreatedAt = reader.GetDateTime(15),
+                        UpdatedAt = reader.IsDBNull(16) ? null : reader.GetDateTime(16)
+                    });
+                }
+
+                // 2.3 返回分页
+                return new PagedResult<BillingListDto>(items, page, pageSize, total);
+            },
+            cancellationToken);
+    }
+
+    private static string BuildCountSql()
+    {
+        return """
+            select count(*)
+            from public.tenant_billing_statements b
+            join public.tenants t on t."Id" = b."TenantId" and t."DeletedAt" is null
+            where b."DeletedAt" is null
+              and b."DueDate" < @now
+              and b."Status" in (0, 2);
+            """;
+    }
+
+    private static string BuildListSql()
+    {
+        return """
+            select
+              b."Id",
+              b."TenantId",
+              t."Name" as "TenantName",
+              b."SubscriptionId",
+              b."StatementNo",
+              b."BillingType",
+              b."PeriodStart",
+              b."PeriodEnd",
+              b."AmountDue",
+              b."DiscountAmount",
+              b."TaxAmount",
+              b."AmountPaid",
+              b."Status",
+              b."DueDate",
+              b."Currency",
+              b."CreatedAt",
+              b."UpdatedAt"
+            from public.tenant_billing_statements b
+            join public.tenants t on t."Id" = b."TenantId" and t."DeletedAt" is null
+            where b."DeletedAt" is null
+              and b."DueDate" < @now
+              and b."Status" in (0, 2)
+            order by b."DueDate" asc
+            offset @offset
+            limit @limit;
+            """;
+    }
+
+    private static async Task<int> ExecuteScalarIntAsync(
+        IDbConnection connection,
+        string sql,
+        (string Name, object? Value)[] parameters,
+        CancellationToken cancellationToken)
+    {
+        await using var command = CreateCommand(connection, sql, parameters);
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return result is null or DBNull ? 0 : Convert.ToInt32(result);
+    }
+
+    private static DbCommand CreateCommand(IDbConnection connection, string sql, (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        foreach (var (name, value) in parameters)
+        {
+            var p = command.CreateParameter();
+            p.ParameterName = name;
+            p.Value = value ?? DBNull.Value;
+            command.Parameters.Add(p);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetTenantPaymentsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetTenantPaymentsQueryHandler.cs
new file mode 100644
index 0000000..80d1538
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetTenantPaymentsQueryHandler.cs
@@ -0,0 +1,28 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Application.App.Billings.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 获取租户支付记录查询处理器。
+/// </summary>
+public sealed class GetTenantPaymentsQueryHandler(ITenantPaymentRepository paymentRepository)
+    : IRequestHandler<GetTenantPaymentsQuery, List<PaymentDto>>
+{
+    /// <summary>
+    /// 处理获取支付记录请求。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录列表。</returns>
+    public async Task<List<PaymentDto>> Handle(GetTenantPaymentsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询支付记录
+        var payments = await paymentRepository.GetByBillingIdAsync(request.BillId, cancellationToken);
+
+        // 2. 映射并返回 DTO
+        return payments.Select(p => p.ToDto()).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ProcessOverdueBillingsCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ProcessOverdueBillingsCommandHandler.cs
new file mode 100644
index 0000000..0cb8c5b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/ProcessOverdueBillingsCommandHandler.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Domain.Tenants.Services;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 处理逾期账单命令处理器（后台任务）。
+/// </summary>
+public sealed class ProcessOverdueBillingsCommandHandler(
+    IBillingDomainService billingDomainService)
+    : IRequestHandler<ProcessOverdueBillingsCommand, int>
+{
+    /// <inheritdoc />
+    public async Task<int> Handle(ProcessOverdueBillingsCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 委托领域服务执行逾期账单处理（Pending && DueDate < Now -> Overdue）
+        return await billingDomainService.ProcessOverdueBillingsAsync(cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/RecordPaymentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/RecordPaymentCommandHandler.cs
new file mode 100644
index 0000000..47a81aa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/RecordPaymentCommandHandler.cs
@@ -0,0 +1,81 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 记录支付处理器。
+/// </summary>
+public sealed class RecordPaymentCommandHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantPaymentRepository paymentRepository,
+    IIdGenerator idGenerator)
+    : IRequestHandler<RecordPaymentCommand, PaymentRecordDto>
+{
+    /// <summary>
+    /// 处理记录支付请求。
+    /// </summary>
+    /// <param name="request">记录支付命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付 DTO。</returns>
+    public async Task<PaymentRecordDto> Handle(RecordPaymentCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询账单
+        var billing = await billingRepository.FindByIdAsync(request.BillingId, cancellationToken);
+        if (billing is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "账单不存在");
+        }
+
+        // 2. 业务规则检查
+        if (billing.Status == TenantBillingStatus.Paid)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "已支付账单不允许重复收款");
+        }
+
+        if (billing.Status == TenantBillingStatus.Cancelled)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "已取消账单不允许收款");
+        }
+
+        // 3. 幂等校验：交易号唯一
+        if (!string.IsNullOrWhiteSpace(request.TransactionNo))
+        {
+            var exists = await paymentRepository.GetByTransactionNoAsync(request.TransactionNo.Trim(), cancellationToken);
+            if (exists is not null)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "交易号已存在，疑似重复提交");
+            }
+        }
+
+        // 4. 构建支付记录（默认待审核）
+        var now = DateTime.UtcNow;
+        var payment = new TenantPayment
+        {
+            Id = idGenerator.NextId(),
+            TenantId = billing.TenantId,
+            BillingStatementId = request.BillingId,
+            Amount = request.Amount,
+            Method = request.Method,
+            Status = TenantPaymentStatus.Pending,
+            TransactionNo = string.IsNullOrWhiteSpace(request.TransactionNo) ? null : request.TransactionNo.Trim(),
+            ProofUrl = request.ProofUrl,
+            PaidAt = now,
+            Notes = request.Notes
+        };
+
+        // 5. 持久化变更
+        await paymentRepository.AddAsync(payment, cancellationToken);
+        await paymentRepository.SaveChangesAsync(cancellationToken);
+
+        // 6. 返回 DTO
+        return payment.ToPaymentRecordDto();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/UpdateBillStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/UpdateBillStatusCommandHandler.cs
new file mode 100644
index 0000000..9a6f33b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/UpdateBillStatusCommandHandler.cs
@@ -0,0 +1,50 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 更新账单状态处理器。
+/// </summary>
+public sealed class UpdateBillStatusCommandHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantRepository tenantRepository)
+    : IRequestHandler<UpdateBillStatusCommand, BillDto?>
+{
+    /// <summary>
+    /// 处理更新账单状态请求。
+    /// </summary>
+    /// <param name="request">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>账单 DTO 或 null。</returns>
+    public async Task<BillDto?> Handle(UpdateBillStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询账单
+        var bill = await billingRepository.FindByIdAsync(request.BillId, cancellationToken);
+        if (bill is null)
+        {
+            return null;
+        }
+
+        // 2. 更新状态
+        bill.Status = request.Status;
+        if (!string.IsNullOrWhiteSpace(request.Notes))
+        {
+            bill.LineItemsJson = request.Notes;
+        }
+
+        // 3. 持久化变更
+        await billingRepository.UpdateAsync(bill, cancellationToken);
+        await billingRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 查询租户名称
+        var tenant = await tenantRepository.FindByIdAsync(bill.TenantId, cancellationToken);
+
+        // 5. 返回 DTO
+        return bill.ToDto(tenant?.Name);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/UpdateBillingStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/UpdateBillingStatusCommandHandler.cs
new file mode 100644
index 0000000..049bdd1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/UpdateBillingStatusCommandHandler.cs
@@ -0,0 +1,54 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 更新账单状态命令处理器。
+/// </summary>
+public sealed class UpdateBillingStatusCommandHandler(
+    ITenantBillingRepository billingRepository)
+    : IRequestHandler<UpdateBillingStatusCommand, Unit>
+{
+    /// <inheritdoc />
+    public async Task<Unit> Handle(UpdateBillingStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询账单
+        var billing = await billingRepository.FindByIdAsync(request.BillingId, cancellationToken);
+        if (billing is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "账单不存在");
+        }
+
+        // 2. 状态转换规则校验
+        if (billing.Status == TenantBillingStatus.Paid && request.NewStatus != TenantBillingStatus.Paid)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "已支付账单不允许改为其他状态");
+        }
+
+        if (billing.Status == TenantBillingStatus.Cancelled)
+        {
+            throw new BusinessException(ErrorCodes.BusinessError, "已取消账单不允许变更状态");
+        }
+
+        // 3. 更新状态与备注
+        billing.Status = request.NewStatus;
+        if (!string.IsNullOrWhiteSpace(request.Notes))
+        {
+            billing.Notes = string.IsNullOrWhiteSpace(billing.Notes)
+                ? $"[状态变更] {request.Notes}"
+                : $"{billing.Notes}\n[状态变更] {request.Notes}";
+        }
+
+        // 4. 持久化
+        await billingRepository.UpdateAsync(billing, cancellationToken);
+        await billingRepository.SaveChangesAsync(cancellationToken);
+
+        return Unit.Value;
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/VerifyPaymentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/VerifyPaymentCommandHandler.cs
new file mode 100644
index 0000000..0d58db4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/VerifyPaymentCommandHandler.cs
@@ -0,0 +1,73 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+
+namespace TakeoutSaaS.Application.App.Billings.Handlers;
+
+/// <summary>
+/// 审核支付命令处理器。
+/// </summary>
+public sealed class VerifyPaymentCommandHandler(
+    ITenantPaymentRepository paymentRepository,
+    ITenantBillingRepository billingRepository,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<VerifyPaymentCommand, PaymentRecordDto>
+{
+    /// <inheritdoc />
+    public async Task<PaymentRecordDto> Handle(VerifyPaymentCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验操作者身份
+        if (!currentUserAccessor.IsAuthenticated || currentUserAccessor.UserId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "未登录或无效的操作者身份");
+        }
+
+        // 2. 查询支付记录
+        var payment = await paymentRepository.FindByIdAsync(request.PaymentId, cancellationToken);
+        if (payment is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "支付记录不存在");
+        }
+
+        // 3. 查询关联账单
+        var billing = await billingRepository.FindByIdAsync(payment.BillingStatementId, cancellationToken);
+        if (billing is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "关联账单不存在");
+        }
+
+        // 4. 归一化审核备注
+        var normalizedNotes = string.IsNullOrWhiteSpace(request.Notes) ? null : request.Notes.Trim();
+
+        // 5. 根据审核结果更新支付与账单状态
+        if (request.Approved)
+        {
+            payment.Verify(currentUserAccessor.UserId);
+            payment.Notes = normalizedNotes;
+
+            billing.MarkAsPaid(payment.Amount, payment.TransactionNo ?? string.Empty);
+        }
+        else
+        {
+            payment.Reject(currentUserAccessor.UserId, normalizedNotes ?? string.Empty);
+            payment.Notes = normalizedNotes;
+        }
+
+        // 6. 持久化更新状态
+        await paymentRepository.UpdateAsync(payment, cancellationToken);
+        if (request.Approved)
+        {
+            await billingRepository.UpdateAsync(billing, cancellationToken);
+        }
+
+        // 7. 保存数据库更改
+        await paymentRepository.SaveChangesAsync(cancellationToken);
+
+        // 8. 返回 DTO
+        return payment.ToPaymentRecordDto();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/ExportBillingsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/ExportBillingsQuery.cs
new file mode 100644
index 0000000..c800a21
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/ExportBillingsQuery.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 导出账单（Excel/PDF/CSV）。
+/// </summary>
+public sealed record ExportBillingsQuery : IRequest<byte[]>
+{
+    /// <summary>
+    /// 要导出的账单 ID 列表。
+    /// </summary>
+    public long[] BillingIds { get; init; } = [];
+
+    /// <summary>
+    /// 导出格式（Excel/Pdf/Csv）。
+    /// </summary>
+    public string Format { get; init; } = "Excel";
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillDetailQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillDetailQuery.cs
new file mode 100644
index 0000000..d155acd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillDetailQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 获取账单详情查询。
+/// </summary>
+public sealed record GetBillDetailQuery : IRequest<BillDetailDto?>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillListQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillListQuery.cs
new file mode 100644
index 0000000..903c333
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillListQuery.cs
@@ -0,0 +1,47 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 获取账单列表查询。
+/// </summary>
+public sealed record GetBillListQuery : IRequest<PagedResult<BillDto>>
+{
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int PageNumber { get; init; } = 1;
+
+    /// <summary>
+    /// 页大小。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 租户 ID 筛选（可选）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 状态筛选（可选）。
+    /// </summary>
+    public TenantBillingStatus? Status { get; init; }
+
+    /// <summary>
+    /// 开始日期筛选（可选）。
+    /// </summary>
+    public DateTime? StartDate { get; init; }
+
+    /// <summary>
+    /// 结束日期筛选（可选）。
+    /// </summary>
+    public DateTime? EndDate { get; init; }
+
+    /// <summary>
+    /// 搜索关键词（账单号或租户名）。
+    /// </summary>
+    public string? Keyword { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingDetailQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingDetailQuery.cs
new file mode 100644
index 0000000..c4fc6fd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingDetailQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 查询账单详情（含明细项）。
+/// </summary>
+public sealed record GetBillingDetailQuery : IRequest<BillingDetailDto>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingListQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingListQuery.cs
new file mode 100644
index 0000000..7d3a7f9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingListQuery.cs
@@ -0,0 +1,72 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 分页查询账单列表。
+/// </summary>
+public sealed record GetBillingListQuery : IRequest<PagedResult<BillingListDto>>
+{
+    /// <summary>
+    /// 租户 ID（可选，默认当前租户；禁止跨租户）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 账单状态筛选。
+    /// </summary>
+    public TenantBillingStatus? Status { get; init; }
+
+    /// <summary>
+    /// 账单类型筛选。
+    /// </summary>
+    public BillingType? BillingType { get; init; }
+
+    /// <summary>
+    /// 账单起始时间（UTC）筛选。
+    /// </summary>
+    public DateTime? StartDate { get; init; }
+
+    /// <summary>
+    /// 账单结束时间（UTC）筛选。
+    /// </summary>
+    public DateTime? EndDate { get; init; }
+
+    /// <summary>
+    /// 关键词搜索（账单编号）。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 最小应付金额筛选（包含）。
+    /// </summary>
+    public decimal? MinAmount { get; init; }
+
+    /// <summary>
+    /// 最大应付金额筛选（包含）。
+    /// </summary>
+    public decimal? MaxAmount { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int PageNumber { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（DueDate/CreatedAt/AmountDue）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否降序排序。
+    /// </summary>
+    public bool SortDesc { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingPaymentsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingPaymentsQuery.cs
new file mode 100644
index 0000000..04e01c4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingPaymentsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 查询账单的支付记录。
+/// </summary>
+public sealed record GetBillingPaymentsQuery : IRequest<List<PaymentRecordDto>>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillingId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingStatisticsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingStatisticsQuery.cs
new file mode 100644
index 0000000..f8e27dc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetBillingStatisticsQuery.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 查询账单统计数据。
+/// </summary>
+public sealed record GetBillingStatisticsQuery : IRequest<BillingStatisticsDto>
+{
+    /// <summary>
+    /// 租户 ID（可选，默认当前租户；禁止跨租户）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 统计开始时间（UTC）。
+    /// </summary>
+    public DateTime? StartDate { get; init; }
+
+    /// <summary>
+    /// 统计结束时间（UTC）。
+    /// </summary>
+    public DateTime? EndDate { get; init; }
+
+    /// <summary>
+    /// 分组方式（Day/Week/Month）。
+    /// </summary>
+    public string? GroupBy { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetOverdueBillingsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetOverdueBillingsQuery.cs
new file mode 100644
index 0000000..171019e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetOverdueBillingsQuery.cs
@@ -0,0 +1,21 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 查询逾期账单列表。
+/// </summary>
+public sealed record GetOverdueBillingsQuery : IRequest<PagedResult<BillingListDto>>
+{
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int PageNumber { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetTenantPaymentsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetTenantPaymentsQuery.cs
new file mode 100644
index 0000000..986ca41
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Queries/GetTenantPaymentsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Billings.Dto;
+
+namespace TakeoutSaaS.Application.App.Billings.Queries;
+
+/// <summary>
+/// 获取租户支付记录查询。
+/// </summary>
+public sealed record GetTenantPaymentsQuery : IRequest<List<PaymentDto>>
+{
+    /// <summary>
+    /// 账单 ID（雪花算法）。
+    /// </summary>
+    public long BillId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Validators/ConfirmPaymentCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/ConfirmPaymentCommandValidator.cs
new file mode 100644
index 0000000..d1d8f75
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/ConfirmPaymentCommandValidator.cs
@@ -0,0 +1,50 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Billings.Commands;
+
+namespace TakeoutSaaS.Application.App.Billings.Validators;
+
+/// <summary>
+/// 一键确认收款命令验证器。
+/// </summary>
+public sealed class ConfirmPaymentCommandValidator : AbstractValidator<ConfirmPaymentCommand>
+{
+    public ConfirmPaymentCommandValidator()
+    {
+        // 1. 账单 ID 必填
+        RuleFor(x => x.BillingId)
+            .GreaterThan(0)
+            .WithMessage("账单 ID 必须大于 0");
+
+        // 2. 支付金额必须大于 0
+        RuleFor(x => x.Amount)
+            .GreaterThan(0)
+            .WithMessage("支付金额必须大于 0")
+            .LessThanOrEqualTo(1_000_000_000)
+            .WithMessage("支付金额不能超过 10 亿");
+
+        // 3. 支付方式必填
+        RuleFor(x => x.Method)
+            .IsInEnum()
+            .WithMessage("支付方式无效");
+
+        // 4. 交易号必填
+        RuleFor(x => x.TransactionNo)
+            .NotEmpty()
+            .WithMessage("交易号不能为空")
+            .MaximumLength(64)
+            .WithMessage("交易号不能超过 64 个字符");
+
+        // 5. 支付凭证 URL（可选）
+        RuleFor(x => x.ProofUrl)
+            .MaximumLength(500)
+            .WithMessage("支付凭证 URL 不能超过 500 个字符")
+            .When(x => !string.IsNullOrWhiteSpace(x.ProofUrl));
+
+        // 6. 备注（可选）
+        RuleFor(x => x.Notes)
+            .MaximumLength(500)
+            .WithMessage("备注不能超过 500 个字符")
+            .When(x => !string.IsNullOrWhiteSpace(x.Notes));
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Validators/CreateBillingCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/CreateBillingCommandValidator.cs
new file mode 100644
index 0000000..14483f7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/CreateBillingCommandValidator.cs
@@ -0,0 +1,73 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Billings.Commands;
+
+namespace TakeoutSaaS.Application.App.Billings.Validators;
+
+/// <summary>
+/// 创建账单命令验证器。
+/// </summary>
+public sealed class CreateBillingCommandValidator : AbstractValidator<CreateBillingCommand>
+{
+    public CreateBillingCommandValidator()
+    {
+        // 1. 租户 ID 必填
+        RuleFor(x => x.TenantId)
+            .GreaterThan(0)
+            .WithMessage("租户 ID 必须大于 0");
+
+        // 2. 账单类型必填
+        RuleFor(x => x.BillingType)
+            .IsInEnum()
+            .WithMessage("账单类型无效");
+
+        // 3. 应付金额必须大于 0
+        RuleFor(x => x.AmountDue)
+            .GreaterThan(0)
+            .WithMessage("应付金额必须大于 0");
+
+        // 4. 到期日必须是未来时间
+        RuleFor(x => x.DueDate)
+            .GreaterThan(DateTime.UtcNow)
+            .WithMessage("到期日必须是未来时间");
+
+        // 5. 账单明细至少包含一项
+        RuleFor(x => x.LineItems)
+            .NotEmpty()
+            .WithMessage("账单明细不能为空");
+
+        // 6. 账单明细项验证
+        RuleForEach(x => x.LineItems)
+            .ChildRules(lineItem =>
+            {
+                lineItem.RuleFor(x => x.ItemType)
+                    .NotEmpty()
+                    .WithMessage("账单明细类型不能为空")
+                    .MaximumLength(50)
+                    .WithMessage("账单明细类型不能超过 50 个字符");
+
+                lineItem.RuleFor(x => x.Description)
+                    .NotEmpty()
+                    .WithMessage("账单明细描述不能为空")
+                    .MaximumLength(200)
+                    .WithMessage("账单明细描述不能超过 200 个字符");
+
+                lineItem.RuleFor(x => x.Quantity)
+                    .GreaterThan(0)
+                    .WithMessage("账单明细数量必须大于 0");
+
+                lineItem.RuleFor(x => x.UnitPrice)
+                    .GreaterThanOrEqualTo(0)
+                    .WithMessage("账单明细单价不能为负数");
+
+                lineItem.RuleFor(x => x.Amount)
+                    .GreaterThanOrEqualTo(0)
+                    .WithMessage("账单明细金额不能为负数");
+            });
+
+        // 7. 备注长度限制（可选）
+        RuleFor(x => x.Notes)
+            .MaximumLength(500)
+            .WithMessage("备注不能超过 500 个字符")
+            .When(x => !string.IsNullOrWhiteSpace(x.Notes));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Validators/RecordPaymentCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/RecordPaymentCommandValidator.cs
new file mode 100644
index 0000000..266eb1e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/RecordPaymentCommandValidator.cs
@@ -0,0 +1,49 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Billings.Commands;
+
+namespace TakeoutSaaS.Application.App.Billings.Validators;
+
+/// <summary>
+/// 记录支付命令验证器。
+/// </summary>
+public sealed class RecordPaymentCommandValidator : AbstractValidator<RecordPaymentCommand>
+{
+    public RecordPaymentCommandValidator()
+    {
+        // 1. 账单 ID 必填
+        RuleFor(x => x.BillingId)
+            .GreaterThan(0)
+            .WithMessage("账单 ID 必须大于 0");
+
+        // 2. 支付金额必须大于 0
+        RuleFor(x => x.Amount)
+            .GreaterThan(0)
+            .WithMessage("支付金额必须大于 0")
+            .LessThanOrEqualTo(1_000_000_000)
+            .WithMessage("支付金额不能超过 10 亿");
+
+        // 3. 支付方式必填
+        RuleFor(x => x.Method)
+            .IsInEnum()
+            .WithMessage("支付方式无效");
+
+        // 4. 交易号必填
+        RuleFor(x => x.TransactionNo)
+            .NotEmpty()
+            .WithMessage("交易号不能为空")
+            .MaximumLength(64)
+            .WithMessage("交易号不能超过 64 个字符");
+
+        // 5. 支付凭证 URL（可选）
+        RuleFor(x => x.ProofUrl)
+            .MaximumLength(500)
+            .WithMessage("支付凭证 URL 不能超过 500 个字符")
+            .When(x => !string.IsNullOrWhiteSpace(x.ProofUrl));
+
+        // 6. 备注（可选）
+        RuleFor(x => x.Notes)
+            .MaximumLength(500)
+            .WithMessage("备注不能超过 500 个字符")
+            .When(x => !string.IsNullOrWhiteSpace(x.Notes));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Validators/UpdateBillingStatusCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/UpdateBillingStatusCommandValidator.cs
new file mode 100644
index 0000000..025b6ed
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Validators/UpdateBillingStatusCommandValidator.cs
@@ -0,0 +1,30 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Billings.Commands;
+
+namespace TakeoutSaaS.Application.App.Billings.Validators;
+
+/// <summary>
+/// 更新账单状态命令验证器。
+/// </summary>
+public sealed class UpdateBillingStatusCommandValidator : AbstractValidator<UpdateBillingStatusCommand>
+{
+    public UpdateBillingStatusCommandValidator()
+    {
+        // 1. 账单 ID 必填
+        RuleFor(x => x.BillingId)
+            .GreaterThan(0)
+            .WithMessage("账单 ID 必须大于 0");
+
+        // 2. 状态枚举校验
+        RuleFor(x => x.NewStatus)
+            .IsInEnum()
+            .WithMessage("新状态无效");
+
+        // 3. 备注长度限制（可选）
+        RuleFor(x => x.Notes)
+            .MaximumLength(500)
+            .WithMessage("备注不能超过 500 个字符")
+            .When(x => !string.IsNullOrWhiteSpace(x.Notes));
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/CreateDeliveryOrderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/CreateDeliveryOrderCommand.cs
new file mode 100644
index 0000000..8f5a2b7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/CreateDeliveryOrderCommand.cs
@@ -0,0 +1,66 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Commands;
+
+/// <summary>
+/// 创建配送单命令。
+/// </summary>
+public sealed class CreateDeliveryOrderCommand : IRequest<DeliveryOrderDto>
+{
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; set; }
+
+    /// <summary>
+    /// 服务商。
+    /// </summary>
+    public DeliveryProvider Provider { get; set; } = DeliveryProvider.InHouse;
+
+    /// <summary>
+    /// 第三方单号。
+    /// </summary>
+    public string? ProviderOrderId { get; set; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public DeliveryStatus Status { get; set; } = DeliveryStatus.Pending;
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal? DeliveryFee { get; set; }
+
+    /// <summary>
+    /// 骑手姓名。
+    /// </summary>
+    public string? CourierName { get; set; }
+
+    /// <summary>
+    /// 骑手电话。
+    /// </summary>
+    public string? CourierPhone { get; set; }
+
+    /// <summary>
+    /// 下发时间。
+    /// </summary>
+    public DateTime? DispatchedAt { get; set; }
+
+    /// <summary>
+    /// 取餐时间。
+    /// </summary>
+    public DateTime? PickedUpAt { get; set; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? DeliveredAt { get; set; }
+
+    /// <summary>
+    /// 异常原因。
+    /// </summary>
+    public string? FailureReason { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/DeleteDeliveryOrderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/DeleteDeliveryOrderCommand.cs
new file mode 100644
index 0000000..b05162d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/DeleteDeliveryOrderCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Commands;
+
+/// <summary>
+/// 删除配送单命令。
+/// </summary>
+public sealed class DeleteDeliveryOrderCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 配送单 ID。
+    /// </summary>
+    public long DeliveryOrderId { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/UpdateDeliveryOrderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/UpdateDeliveryOrderCommand.cs
new file mode 100644
index 0000000..cb94be2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Commands/UpdateDeliveryOrderCommand.cs
@@ -0,0 +1,71 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Commands;
+
+/// <summary>
+/// 更新配送单命令。
+/// </summary>
+public sealed record UpdateDeliveryOrderCommand : IRequest<DeliveryOrderDto?>
+{
+    /// <summary>
+    /// 配送单 ID。
+    /// </summary>
+    public long DeliveryOrderId { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 服务商。
+    /// </summary>
+    public DeliveryProvider Provider { get; init; } = DeliveryProvider.InHouse;
+
+    /// <summary>
+    /// 第三方单号。
+    /// </summary>
+    public string? ProviderOrderId { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public DeliveryStatus Status { get; init; } = DeliveryStatus.Pending;
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal? DeliveryFee { get; init; }
+
+    /// <summary>
+    /// 骑手姓名。
+    /// </summary>
+    public string? CourierName { get; init; }
+
+    /// <summary>
+    /// 骑手电话。
+    /// </summary>
+    public string? CourierPhone { get; init; }
+
+    /// <summary>
+    /// 下发时间。
+    /// </summary>
+    public DateTime? DispatchedAt { get; init; }
+
+    /// <summary>
+    /// 取餐时间。
+    /// </summary>
+    public DateTime? PickedUpAt { get; init; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? DeliveredAt { get; init; }
+
+    /// <summary>
+    /// 异常原因。
+    /// </summary>
+    public string? FailureReason { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Dto/DeliveryEventDto.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Dto/DeliveryEventDto.cs
new file mode 100644
index 0000000..a8d2a7e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Dto/DeliveryEventDto.cs
@@ -0,0 +1,43 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Dto;
+
+/// <summary>
+/// 配送事件 DTO。
+/// </summary>
+public sealed class DeliveryEventDto
+{
+    /// <summary>
+    /// 事件 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 配送单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long DeliveryOrderId { get; init; }
+
+    /// <summary>
+    /// 事件类型。
+    /// </summary>
+    public DeliveryEventType EventType { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Message { get; init; }
+
+    /// <summary>
+    /// 事件时间。
+    /// </summary>
+    public DateTime OccurredAt { get; init; }
+
+    /// <summary>
+    /// 原始载荷。
+    /// </summary>
+    public string? Payload { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Dto/DeliveryOrderDto.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Dto/DeliveryOrderDto.cs
new file mode 100644
index 0000000..641d67a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Dto/DeliveryOrderDto.cs
@@ -0,0 +1,89 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Dto;
+
+/// <summary>
+/// 配送单 DTO。
+/// </summary>
+public sealed class DeliveryOrderDto
+{
+    /// <summary>
+    /// 配送单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 配送服务商。
+    /// </summary>
+    public DeliveryProvider Provider { get; init; }
+
+    /// <summary>
+    /// 第三方配送单号。
+    /// </summary>
+    public string? ProviderOrderId { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public DeliveryStatus Status { get; init; }
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal? DeliveryFee { get; init; }
+
+    /// <summary>
+    /// 骑手姓名。
+    /// </summary>
+    public string? CourierName { get; init; }
+
+    /// <summary>
+    /// 骑手电话。
+    /// </summary>
+    public string? CourierPhone { get; init; }
+
+    /// <summary>
+    /// 下发时间。
+    /// </summary>
+    public DateTime? DispatchedAt { get; init; }
+
+    /// <summary>
+    /// 取餐时间。
+    /// </summary>
+    public DateTime? PickedUpAt { get; init; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? DeliveredAt { get; init; }
+
+    /// <summary>
+    /// 异常原因。
+    /// </summary>
+    public string? FailureReason { get; init; }
+
+    /// <summary>
+    /// 事件列表。
+    /// </summary>
+    public IReadOnlyList<DeliveryEventDto> Events { get; init; } = Array.Empty<DeliveryEventDto>();
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/CreateDeliveryOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/CreateDeliveryOrderCommandHandler.cs
new file mode 100644
index 0000000..ad4149f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/CreateDeliveryOrderCommandHandler.cs
@@ -0,0 +1,72 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Deliveries.Commands;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Domain.Deliveries.Entities;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Handlers;
+
+/// <summary>
+/// 创建配送单命令处理器。
+/// </summary>
+public sealed class CreateDeliveryOrderCommandHandler(IDeliveryRepository deliveryRepository, ILogger<CreateDeliveryOrderCommandHandler> logger)
+    : IRequestHandler<CreateDeliveryOrderCommand, DeliveryOrderDto>
+{
+    /// <inheritdoc />
+    public async Task<DeliveryOrderDto> Handle(CreateDeliveryOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 构建配送单实体
+        var deliveryOrder = new DeliveryOrder
+        {
+            OrderId = request.OrderId,
+            Provider = request.Provider,
+            ProviderOrderId = request.ProviderOrderId?.Trim(),
+            Status = request.Status,
+            DeliveryFee = request.DeliveryFee,
+            CourierName = request.CourierName?.Trim(),
+            CourierPhone = request.CourierPhone?.Trim(),
+            DispatchedAt = request.DispatchedAt,
+            PickedUpAt = request.PickedUpAt,
+            DeliveredAt = request.DeliveredAt,
+            FailureReason = request.FailureReason?.Trim()
+        };
+
+        // 2. 持久化配送单
+        await deliveryRepository.AddDeliveryOrderAsync(deliveryOrder, cancellationToken);
+        await deliveryRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 记录日志
+        logger.LogInformation("创建配送单 {DeliveryOrderId} 对应订单 {OrderId}", deliveryOrder.Id, deliveryOrder.OrderId);
+
+        // 4. 映射 DTO 返回
+        return MapToDto(deliveryOrder, []);
+    }
+
+    private static DeliveryOrderDto MapToDto(DeliveryOrder deliveryOrder, IReadOnlyList<DeliveryEvent> events) => new()
+    {
+        Id = deliveryOrder.Id,
+        TenantId = deliveryOrder.TenantId,
+        OrderId = deliveryOrder.OrderId,
+        Provider = deliveryOrder.Provider,
+        ProviderOrderId = deliveryOrder.ProviderOrderId,
+        Status = deliveryOrder.Status,
+        DeliveryFee = deliveryOrder.DeliveryFee,
+        CourierName = deliveryOrder.CourierName,
+        CourierPhone = deliveryOrder.CourierPhone,
+        DispatchedAt = deliveryOrder.DispatchedAt,
+        PickedUpAt = deliveryOrder.PickedUpAt,
+        DeliveredAt = deliveryOrder.DeliveredAt,
+        FailureReason = deliveryOrder.FailureReason,
+        CreatedAt = deliveryOrder.CreatedAt,
+        Events = events.Select(x => new DeliveryEventDto
+        {
+            Id = x.Id,
+            DeliveryOrderId = x.DeliveryOrderId,
+            EventType = x.EventType,
+            Message = x.Message,
+            OccurredAt = x.OccurredAt,
+            Payload = x.Payload
+        }).ToList()
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/DeleteDeliveryOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/DeleteDeliveryOrderCommandHandler.cs
new file mode 100644
index 0000000..308c942
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/DeleteDeliveryOrderCommandHandler.cs
@@ -0,0 +1,38 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Deliveries.Commands;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Handlers;
+
+/// <summary>
+/// 删除配送单命令处理器。
+/// </summary>
+public sealed class DeleteDeliveryOrderCommandHandler(
+    IDeliveryRepository deliveryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteDeliveryOrderCommandHandler> logger)
+    : IRequestHandler<DeleteDeliveryOrderCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteDeliveryOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户并定位配送单
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await deliveryRepository.FindByIdAsync(request.DeliveryOrderId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        // 2. 删除并保存
+        await deliveryRepository.DeleteDeliveryOrderAsync(request.DeliveryOrderId, tenantId, cancellationToken);
+        await deliveryRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 记录删除日志
+        logger.LogInformation("删除配送单 {DeliveryOrderId}", request.DeliveryOrderId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/GetDeliveryOrderByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/GetDeliveryOrderByIdQueryHandler.cs
new file mode 100644
index 0000000..d863d4b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/GetDeliveryOrderByIdQueryHandler.cs
@@ -0,0 +1,64 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Application.App.Deliveries.Queries;
+using TakeoutSaaS.Domain.Deliveries.Entities;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Handlers;
+
+/// <summary>
+/// 配送单详情查询处理器。
+/// </summary>
+public sealed class GetDeliveryOrderByIdQueryHandler(
+    IDeliveryRepository deliveryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetDeliveryOrderByIdQuery, DeliveryOrderDto?>
+{
+    /// <inheritdoc />
+    public async Task<DeliveryOrderDto?> Handle(GetDeliveryOrderByIdQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 读取当前租户标识
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 查询配送单主体
+        var order = await deliveryRepository.FindByIdAsync(request.DeliveryOrderId, tenantId, cancellationToken);
+        if (order == null)
+        {
+            return null;
+        }
+
+        // 3. 查询配送事件明细
+        var events = await deliveryRepository.GetEventsAsync(order.Id, tenantId, cancellationToken);
+
+        // 4. 映射为 DTO 返回
+        return MapToDto(order, events);
+    }
+
+    private static DeliveryOrderDto MapToDto(DeliveryOrder deliveryOrder, IReadOnlyList<DeliveryEvent> events) => new()
+    {
+        Id = deliveryOrder.Id,
+        TenantId = deliveryOrder.TenantId,
+        OrderId = deliveryOrder.OrderId,
+        Provider = deliveryOrder.Provider,
+        ProviderOrderId = deliveryOrder.ProviderOrderId,
+        Status = deliveryOrder.Status,
+        DeliveryFee = deliveryOrder.DeliveryFee,
+        CourierName = deliveryOrder.CourierName,
+        CourierPhone = deliveryOrder.CourierPhone,
+        DispatchedAt = deliveryOrder.DispatchedAt,
+        PickedUpAt = deliveryOrder.PickedUpAt,
+        DeliveredAt = deliveryOrder.DeliveredAt,
+        FailureReason = deliveryOrder.FailureReason,
+        CreatedAt = deliveryOrder.CreatedAt,
+        Events = events.Select(x => new DeliveryEventDto
+        {
+            Id = x.Id,
+            DeliveryOrderId = x.DeliveryOrderId,
+            EventType = x.EventType,
+            Message = x.Message,
+            OccurredAt = x.OccurredAt,
+            Payload = x.Payload
+        }).ToList()
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/SearchDeliveryOrdersQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/SearchDeliveryOrdersQueryHandler.cs
new file mode 100644
index 0000000..7fcdd5a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/SearchDeliveryOrdersQueryHandler.cs
@@ -0,0 +1,71 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Application.App.Deliveries.Queries;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Handlers;
+
+/// <summary>
+/// 配送单列表查询处理器。
+/// </summary>
+public sealed class SearchDeliveryOrdersQueryHandler(
+    IDeliveryRepository deliveryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchDeliveryOrdersQuery, PagedResult<DeliveryOrderDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<DeliveryOrderDto>> Handle(SearchDeliveryOrdersQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户标识
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 查询配送单列表（租户隔离）
+        var orders = await deliveryRepository.SearchAsync(tenantId, request.Status, request.OrderId, cancellationToken);
+
+        // 3. 本地排序
+        var sorted = ApplySorting(orders, request.SortBy, request.SortDescending);
+
+        // 4. 本地分页
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        // 5. 映射 DTO
+        var items = paged.Select(order => new DeliveryOrderDto
+        {
+            Id = order.Id,
+            TenantId = order.TenantId,
+            OrderId = order.OrderId,
+            Provider = order.Provider,
+            ProviderOrderId = order.ProviderOrderId,
+            Status = order.Status,
+            DeliveryFee = order.DeliveryFee,
+            CourierName = order.CourierName,
+            CourierPhone = order.CourierPhone,
+            DispatchedAt = order.DispatchedAt,
+            PickedUpAt = order.PickedUpAt,
+            DeliveredAt = order.DeliveredAt,
+            FailureReason = order.FailureReason,
+            CreatedAt = order.CreatedAt
+        }).ToList();
+
+        // 6. 返回分页结果
+        return new PagedResult<DeliveryOrderDto>(items, request.Page, request.PageSize, orders.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.Deliveries.Entities.DeliveryOrder> ApplySorting(
+        IReadOnlyCollection<Domain.Deliveries.Entities.DeliveryOrder> orders,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "status" => sortDescending ? orders.OrderByDescending(x => x.Status) : orders.OrderBy(x => x.Status),
+            "provider" => sortDescending ? orders.OrderByDescending(x => x.Provider) : orders.OrderBy(x => x.Provider),
+            _ => sortDescending ? orders.OrderByDescending(x => x.CreatedAt) : orders.OrderBy(x => x.CreatedAt)
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/UpdateDeliveryOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/UpdateDeliveryOrderCommandHandler.cs
new file mode 100644
index 0000000..0c3f2c2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Handlers/UpdateDeliveryOrderCommandHandler.cs
@@ -0,0 +1,84 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Deliveries.Commands;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Domain.Deliveries.Entities;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Handlers;
+
+/// <summary>
+/// 更新配送单命令处理器。
+/// </summary>
+public sealed class UpdateDeliveryOrderCommandHandler(
+    IDeliveryRepository deliveryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateDeliveryOrderCommandHandler> logger)
+    : IRequestHandler<UpdateDeliveryOrderCommand, DeliveryOrderDto?>
+{
+    /// <inheritdoc />
+    public async Task<DeliveryOrderDto?> Handle(UpdateDeliveryOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户标识
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 查询目标配送单
+        var existing = await deliveryRepository.FindByIdAsync(request.DeliveryOrderId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return null;
+        }
+
+        // 3. 更新字段
+        existing.OrderId = request.OrderId;
+        existing.Provider = request.Provider;
+        existing.ProviderOrderId = request.ProviderOrderId?.Trim();
+        existing.Status = request.Status;
+        existing.DeliveryFee = request.DeliveryFee;
+        existing.CourierName = request.CourierName?.Trim();
+        existing.CourierPhone = request.CourierPhone?.Trim();
+        existing.DispatchedAt = request.DispatchedAt;
+        existing.PickedUpAt = request.PickedUpAt;
+        existing.DeliveredAt = request.DeliveredAt;
+        existing.FailureReason = request.FailureReason?.Trim();
+
+        // 4. 持久化变更
+        await deliveryRepository.UpdateDeliveryOrderAsync(existing, cancellationToken);
+        await deliveryRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 记录更新日志
+        logger.LogInformation("更新配送单 {DeliveryOrderId}", existing.Id);
+
+        // 6. 查询事件并返回映射结果
+        var events = await deliveryRepository.GetEventsAsync(existing.Id, tenantId, cancellationToken);
+        return MapToDto(existing, events);
+    }
+
+    private static DeliveryOrderDto MapToDto(DeliveryOrder deliveryOrder, IReadOnlyList<DeliveryEvent> events) => new()
+    {
+        Id = deliveryOrder.Id,
+        TenantId = deliveryOrder.TenantId,
+        OrderId = deliveryOrder.OrderId,
+        Provider = deliveryOrder.Provider,
+        ProviderOrderId = deliveryOrder.ProviderOrderId,
+        Status = deliveryOrder.Status,
+        DeliveryFee = deliveryOrder.DeliveryFee,
+        CourierName = deliveryOrder.CourierName,
+        CourierPhone = deliveryOrder.CourierPhone,
+        DispatchedAt = deliveryOrder.DispatchedAt,
+        PickedUpAt = deliveryOrder.PickedUpAt,
+        DeliveredAt = deliveryOrder.DeliveredAt,
+        FailureReason = deliveryOrder.FailureReason,
+        CreatedAt = deliveryOrder.CreatedAt,
+        Events = events.Select(x => new DeliveryEventDto
+        {
+            Id = x.Id,
+            DeliveryOrderId = x.DeliveryOrderId,
+            EventType = x.EventType,
+            Message = x.Message,
+            OccurredAt = x.OccurredAt,
+            Payload = x.Payload
+        }).ToList()
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Queries/GetDeliveryOrderByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Queries/GetDeliveryOrderByIdQuery.cs
new file mode 100644
index 0000000..0b89cae
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Queries/GetDeliveryOrderByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Queries;
+
+/// <summary>
+/// 配送单详情查询。
+/// </summary>
+public sealed class GetDeliveryOrderByIdQuery : IRequest<DeliveryOrderDto?>
+{
+    /// <summary>
+    /// 配送单 ID。
+    /// </summary>
+    public long DeliveryOrderId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Queries/SearchDeliveryOrdersQuery.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Queries/SearchDeliveryOrdersQuery.cs
new file mode 100644
index 0000000..751d90c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Queries/SearchDeliveryOrdersQuery.cs
@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Deliveries.Dto;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Queries;
+
+/// <summary>
+/// 配送单列表查询。
+/// </summary>
+public sealed class SearchDeliveryOrdersQuery : IRequest<PagedResult<DeliveryOrderDto>>
+{
+    /// <summary>
+    /// 订单 ID（可选）。
+    /// </summary>
+    public long? OrderId { get; init; }
+
+    /// <summary>
+    /// 配送状态。
+    /// </summary>
+    public DeliveryStatus? Status { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（createdAt/status/provider）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/CreateDeliveryOrderCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/CreateDeliveryOrderCommandValidator.cs
new file mode 100644
index 0000000..765e47f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/CreateDeliveryOrderCommandValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Deliveries.Commands;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Validators;
+
+/// <summary>
+/// 创建配送单命令验证器。
+/// </summary>
+public sealed class CreateDeliveryOrderCommandValidator : AbstractValidator<CreateDeliveryOrderCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateDeliveryOrderCommandValidator()
+    {
+        RuleFor(x => x.OrderId).GreaterThan(0);
+        RuleFor(x => x.ProviderOrderId).MaximumLength(64);
+        RuleFor(x => x.CourierName).MaximumLength(64);
+        RuleFor(x => x.CourierPhone).MaximumLength(32);
+        RuleFor(x => x.FailureReason).MaximumLength(256);
+        RuleFor(x => x.DeliveryFee).GreaterThanOrEqualTo(0).When(x => x.DeliveryFee.HasValue);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/SearchDeliveryOrdersQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/SearchDeliveryOrdersQueryValidator.cs
new file mode 100644
index 0000000..2119152
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/SearchDeliveryOrdersQueryValidator.cs
@@ -0,0 +1,20 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Deliveries.Queries;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Validators;
+
+/// <summary>
+/// 配送单列表查询验证器。
+/// </summary>
+public sealed class SearchDeliveryOrdersQueryValidator : AbstractValidator<SearchDeliveryOrdersQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchDeliveryOrdersQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/UpdateDeliveryOrderCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/UpdateDeliveryOrderCommandValidator.cs
new file mode 100644
index 0000000..e2cbc19
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Deliveries/Validators/UpdateDeliveryOrderCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Deliveries.Commands;
+
+namespace TakeoutSaaS.Application.App.Deliveries.Validators;
+
+/// <summary>
+/// 更新配送单命令验证器。
+/// </summary>
+public sealed class UpdateDeliveryOrderCommandValidator : AbstractValidator<UpdateDeliveryOrderCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateDeliveryOrderCommandValidator()
+    {
+        RuleFor(x => x.DeliveryOrderId).GreaterThan(0);
+        RuleFor(x => x.OrderId).GreaterThan(0);
+        RuleFor(x => x.ProviderOrderId).MaximumLength(64);
+        RuleFor(x => x.CourierName).MaximumLength(64);
+        RuleFor(x => x.CourierPhone).MaximumLength(32);
+        RuleFor(x => x.FailureReason).MaximumLength(256);
+        RuleFor(x => x.DeliveryFee).GreaterThanOrEqualTo(0).When(x => x.DeliveryFee.HasValue);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs
index 8bd29bc..d2dc801 100644
--- a/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs
@@ -3,6 +3,8 @@ using MediatR;
 using Microsoft.Extensions.DependencyInjection;
 using System.Reflection;
 using TakeoutSaaS.Application.App.Common.Behaviors;
+using TakeoutSaaS.Application.App.Personal.Services;
+using TakeoutSaaS.Application.App.Personal.Validators;
 using TakeoutSaaS.Application.App.Stores.Services;
 
 namespace TakeoutSaaS.Application.App.Extensions;
@@ -13,23 +15,26 @@ namespace TakeoutSaaS.Application.App.Extensions;
 public static class AppApplicationServiceCollectionExtensions
 {
     /// <summary>
-    /// 注册业务应用层（MediatR、验证器、管道行为）。
+    /// 注册业务应用层（MediatR 处理器等）。
     /// </summary>
     /// <param name="services">服务集合。</param>
     /// <returns>服务集合。</returns>
     public static IServiceCollection AddAppApplication(this IServiceCollection services)
     {
-        // 1. 注册 MediatR 处理器
         services.AddMediatR(cfg => cfg.RegisterServicesFromAssembly(Assembly.GetExecutingAssembly()));
-
-        // 2. 注册 FluentValidation 验证器
         services.AddValidatorsFromAssembly(Assembly.GetExecutingAssembly());
-
-        // 3. 注册统一验证管道
         services.AddTransient(typeof(IPipelineBehavior<,>), typeof(ValidationBehavior<,>));
 
-        // 4. 注册门店模块上下文服务
+        // 1. 注册个人中心基础服务
+        services.AddScoped<PersonalContextService>();
+        services.AddSingleton<PersonalMaskingService>();
+        services.AddSingleton<PersonalDateRangeValidator>();
+        services.AddScoped<PersonalModuleStatusService>();
+        services.AddScoped<PersonalAuditService>();
+
+        // 2. 注册门店模块上下文服务
         services.AddScoped<StoreContextService>();
+
         return services;
     }
 }
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/AdjustInventoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/AdjustInventoryCommand.cs
new file mode 100644
index 0000000..7ee93f7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/AdjustInventoryCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Enums;
+
+namespace TakeoutSaaS.Application.App.Inventory.Commands;
+
+/// <summary>
+/// 库存调整命令。
+/// </summary>
+public sealed record AdjustInventoryCommand : IRequest<InventoryItemDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 调整数量，正数入库，负数出库。
+    /// </summary>
+    public int QuantityDelta { get; init; }
+
+    /// <summary>
+    /// 调整类型。
+    /// </summary>
+    public InventoryAdjustmentType AdjustmentType { get; init; } = InventoryAdjustmentType.Manual;
+
+    /// <summary>
+    /// 原因说明。
+    /// </summary>
+    public string? Reason { get; init; }
+
+    /// <summary>
+    /// 安全库存阈值（可选）。
+    /// </summary>
+    public int? SafetyStock { get; init; }
+
+    /// <summary>
+    /// 是否售罄标记。
+    /// </summary>
+    public bool? IsSoldOut { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/DeductInventoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/DeductInventoryCommand.cs
new file mode 100644
index 0000000..d97026f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/DeductInventoryCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+
+namespace TakeoutSaaS.Application.App.Inventory.Commands;
+
+/// <summary>
+/// 扣减库存命令（履约/支付成功）。
+/// </summary>
+public sealed record DeductInventoryCommand : IRequest<InventoryItemDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 扣减数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 是否预售锁定转扣减。
+    /// </summary>
+    public bool IsPresaleOrder { get; init; }
+
+    /// <summary>
+    /// 幂等键（与锁定请求一致可避免重复扣减）。
+    /// </summary>
+    public string? IdempotencyKey { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/LockInventoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/LockInventoryCommand.cs
new file mode 100644
index 0000000..f19754b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/LockInventoryCommand.cs
@@ -0,0 +1,41 @@
+using System;
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+
+namespace TakeoutSaaS.Application.App.Inventory.Commands;
+
+/// <summary>
+/// 锁定库存命令。
+/// </summary>
+public sealed record LockInventoryCommand : IRequest<InventoryItemDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 锁定数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 是否按预售逻辑锁定。
+    /// </summary>
+    public bool IsPresaleOrder { get; init; }
+
+    /// <summary>
+    /// 锁定过期时间（UTC），超时可释放。
+    /// </summary>
+    public DateTime? ExpiresAt { get; init; }
+
+    /// <summary>
+    /// 幂等键（同一键重复调用返回同一结果）。
+    /// </summary>
+    public string IdempotencyKey { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/ReleaseExpiredInventoryLocksCommand.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/ReleaseExpiredInventoryLocksCommand.cs
new file mode 100644
index 0000000..a721448
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/ReleaseExpiredInventoryLocksCommand.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Inventory.Commands;
+
+/// <summary>
+/// 释放过期库存锁定命令。
+/// </summary>
+public sealed record ReleaseExpiredInventoryLocksCommand : IRequest<int>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/ReleaseInventoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/ReleaseInventoryCommand.cs
new file mode 100644
index 0000000..dd7c889
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/ReleaseInventoryCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+
+namespace TakeoutSaaS.Application.App.Inventory.Commands;
+
+/// <summary>
+/// 释放库存命令。
+/// </summary>
+public sealed record ReleaseInventoryCommand : IRequest<InventoryItemDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 释放数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 是否预售锁定释放。
+    /// </summary>
+    public bool IsPresaleOrder { get; init; }
+
+    /// <summary>
+    /// 幂等键（与锁定请求一致可避免重复释放）。
+    /// </summary>
+    public string? IdempotencyKey { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/UpsertInventoryBatchCommand.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/UpsertInventoryBatchCommand.cs
new file mode 100644
index 0000000..8943014
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Commands/UpsertInventoryBatchCommand.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+
+namespace TakeoutSaaS.Application.App.Inventory.Commands;
+
+/// <summary>
+/// 新增或更新库存批次命令。
+/// </summary>
+public sealed record UpsertInventoryBatchCommand : IRequest<InventoryBatchDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 批次号。
+    /// </summary>
+    public string BatchNumber { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 生产日期。
+    /// </summary>
+    public DateTime? ProductionDate { get; init; }
+
+    /// <summary>
+    /// 过期日期。
+    /// </summary>
+    public DateTime? ExpireDate { get; init; }
+
+    /// <summary>
+    /// 入库数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 剩余数量。
+    /// </summary>
+    public int RemainingQuantity { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Dto/InventoryBatchDto.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Dto/InventoryBatchDto.cs
new file mode 100644
index 0000000..eed3c53
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Dto/InventoryBatchDto.cs
@@ -0,0 +1,53 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Inventory.Dto;
+
+/// <summary>
+/// 库存批次 DTO。
+/// </summary>
+public sealed record InventoryBatchDto
+{
+    /// <summary>
+    /// 批次 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 批次号。
+    /// </summary>
+    public string BatchNumber { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 生产日期。
+    /// </summary>
+    public DateTime? ProductionDate { get; init; }
+
+    /// <summary>
+    /// 过期日期。
+    /// </summary>
+    public DateTime? ExpireDate { get; init; }
+
+    /// <summary>
+    /// 入库数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 剩余数量。
+    /// </summary>
+    public int RemainingQuantity { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Dto/InventoryItemDto.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Dto/InventoryItemDto.cs
new file mode 100644
index 0000000..f02902a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Dto/InventoryItemDto.cs
@@ -0,0 +1,99 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Inventory.Dto;
+
+/// <summary>
+/// 库存项 DTO。
+/// </summary>
+public sealed record InventoryItemDto
+{
+    /// <summary>
+    /// 库存记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductSkuId { get; init; }
+
+    /// <summary>
+    /// 批次号。
+    /// </summary>
+    public string? BatchNumber { get; init; }
+
+    /// <summary>
+    /// 可用库存。
+    /// </summary>
+    public int QuantityOnHand { get; init; }
+
+    /// <summary>
+    /// 已锁定库存。
+    /// </summary>
+    public int QuantityReserved { get; init; }
+
+    /// <summary>
+    /// 安全库存。
+    /// </summary>
+    public int? SafetyStock { get; init; }
+
+    /// <summary>
+    /// 储位。
+    /// </summary>
+    public string? Location { get; init; }
+
+    /// <summary>
+    /// 过期日期。
+    /// </summary>
+    public DateTime? ExpireDate { get; init; }
+
+    /// <summary>
+    /// 是否预售。
+    /// </summary>
+    public bool IsPresale { get; init; }
+
+    /// <summary>
+    /// 预售开始时间。
+    /// </summary>
+    public DateTime? PresaleStartTime { get; init; }
+
+    /// <summary>
+    /// 预售结束时间。
+    /// </summary>
+    public DateTime? PresaleEndTime { get; init; }
+
+    /// <summary>
+    /// 预售上限。
+    /// </summary>
+    public int? PresaleCapacity { get; init; }
+
+    /// <summary>
+    /// 已锁定预售量。
+    /// </summary>
+    public int PresaleLocked { get; init; }
+
+    /// <summary>
+    /// 限购数量。
+    /// </summary>
+    public int? MaxQuantityPerOrder { get; init; }
+
+    /// <summary>
+    /// 是否售罄。
+    /// </summary>
+    public bool IsSoldOut { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/AdjustInventoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/AdjustInventoryCommandHandler.cs
new file mode 100644
index 0000000..0590589
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/AdjustInventoryCommandHandler.cs
@@ -0,0 +1,85 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Entities;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 库存调整处理器。
+/// </summary>
+public sealed class AdjustInventoryCommandHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<AdjustInventoryCommandHandler> logger)
+    : IRequestHandler<AdjustInventoryCommand, InventoryItemDto>
+{
+    /// <inheritdoc />
+    public async Task<InventoryItemDto> Handle(AdjustInventoryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取库存
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var item = await inventoryRepository.GetForUpdateAsync(tenantId, request.StoreId, request.ProductSkuId, cancellationToken);
+        // 2. 初始化或校验存在性
+        if (item is null)
+        {
+            if (request.QuantityDelta < 0)
+            {
+                throw new BusinessException(ErrorCodes.NotFound, "库存不存在，无法扣减");
+            }
+
+            // 初始化库存记录
+            item = new InventoryItem
+            {
+                TenantId = tenantId,
+                StoreId = request.StoreId,
+                ProductSkuId = request.ProductSkuId,
+                QuantityOnHand = request.QuantityDelta,
+                QuantityReserved = 0,
+                SafetyStock = request.SafetyStock,
+                IsSoldOut = false
+            };
+            await inventoryRepository.AddItemAsync(item, cancellationToken);
+        }
+
+        // 3. 应用调整
+        var newQuantity = item.QuantityOnHand + request.QuantityDelta;
+        if (newQuantity < 0)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "库存不足，无法扣减");
+        }
+
+        item.QuantityOnHand = newQuantity;
+        item.SafetyStock = request.SafetyStock ?? item.SafetyStock;
+        item.IsSoldOut = request.IsSoldOut ?? IsSoldOut(item);
+
+        // 4. 写入调整记录
+        var adjustment = new InventoryAdjustment
+        {
+            TenantId = tenantId,
+            InventoryItemId = item.Id,
+            AdjustmentType = request.AdjustmentType,
+            Quantity = request.QuantityDelta,
+            Reason = request.Reason,
+            OperatorId = null,
+            OccurredAt = DateTime.UtcNow
+        };
+        await inventoryRepository.AddAdjustmentAsync(adjustment, cancellationToken);
+        await inventoryRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("调整库存 SKU {ProductSkuId} 门店 {StoreId} 变更 {Delta}", request.ProductSkuId, request.StoreId, request.QuantityDelta);
+        return InventoryMapping.ToDto(item);
+    }
+
+    // 辅助：售罄判定
+    private static bool IsSoldOut(InventoryItem item)
+    {
+        var available = item.QuantityOnHand - item.QuantityReserved - item.PresaleLocked;
+        var safety = item.SafetyStock ?? 0;
+        return available <= safety || item.QuantityOnHand <= 0;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/DeductInventoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/DeductInventoryCommandHandler.cs
new file mode 100644
index 0000000..0cbde90
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/DeductInventoryCommandHandler.cs
@@ -0,0 +1,110 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 库存扣减处理器。
+/// </summary>
+public sealed class DeductInventoryCommandHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeductInventoryCommandHandler> logger)
+    : IRequestHandler<DeductInventoryCommand, InventoryItemDto>
+{
+    /// <inheritdoc />
+    public async Task<InventoryItemDto> Handle(DeductInventoryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取库存
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var item = await inventoryRepository.GetForUpdateAsync(tenantId, request.StoreId, request.ProductSkuId, cancellationToken);
+        if (item is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "库存不存在");
+        }
+
+        // 1.1 幂等：若锁记录已扣减/释放则直接返回
+        if (!string.IsNullOrWhiteSpace(request.IdempotencyKey))
+        {
+            var lockRecord = await inventoryRepository.FindLockByKeyAsync(tenantId, request.IdempotencyKey, cancellationToken);
+            if (lockRecord is not null)
+            {
+                if (lockRecord.Status == Domain.Inventory.Enums.InventoryLockStatus.Deducted)
+                {
+                    return InventoryMapping.ToDto(item);
+                }
+
+                if (lockRecord.Status == Domain.Inventory.Enums.InventoryLockStatus.Locked)
+                {
+                    request = request with { Quantity = lockRecord.Quantity, IsPresaleOrder = lockRecord.IsPresale };
+                    await inventoryRepository.MarkLockStatusAsync(lockRecord, Domain.Inventory.Enums.InventoryLockStatus.Deducted, cancellationToken);
+                }
+            }
+        }
+
+        // 2. 计算扣减来源
+        var isPresale = request.IsPresaleOrder || item.IsPresale;
+        if (isPresale)
+        {
+            if (item.PresaleLocked < request.Quantity)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "预售锁定不足，无法扣减");
+            }
+
+            item.PresaleLocked -= request.Quantity;
+        }
+        else
+        {
+            if (item.QuantityReserved < request.Quantity)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "锁定库存不足，无法扣减");
+            }
+
+            item.QuantityReserved -= request.Quantity;
+        }
+
+        var remaining = item.QuantityOnHand - request.Quantity;
+        if (remaining < 0)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "可用库存不足，无法扣减");
+        }
+
+        // 3. 扣减可用量并按批次消耗
+        item.QuantityOnHand = remaining;
+        // 3.1 批次扣减（非预售）
+        if (!isPresale)
+        {
+            var batches = await inventoryRepository.GetBatchesForConsumeAsync(tenantId, request.StoreId, request.ProductSkuId, item.BatchConsumeStrategy, cancellationToken);
+            var need = request.Quantity;
+            foreach (var batch in batches)
+            {
+                if (need <= 0)
+                {
+                    break;
+                }
+
+                var take = Math.Min(batch.RemainingQuantity, need);
+                batch.RemainingQuantity -= take;
+                need -= take;
+                await inventoryRepository.UpdateBatchAsync(batch, cancellationToken);
+            }
+
+            if (need > 0)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "批次数量不足，无法扣减");
+            }
+        }
+
+        item.IsSoldOut = item.QuantityOnHand - item.QuantityReserved - item.PresaleLocked <= (item.SafetyStock ?? 0);
+        await inventoryRepository.UpdateItemAsync(item, cancellationToken);
+        await inventoryRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("扣减库存 门店 {StoreId} SKU {ProductSkuId} 数量 {Quantity}", request.StoreId, request.ProductSkuId, request.Quantity);
+        return InventoryMapping.ToDto(item);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/GetInventoryBatchesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/GetInventoryBatchesQueryHandler.cs
new file mode 100644
index 0000000..3796fda
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/GetInventoryBatchesQueryHandler.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Application.App.Inventory.Queries;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 库存批次查询处理器。
+/// </summary>
+public sealed class GetInventoryBatchesQueryHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetInventoryBatchesQuery, IReadOnlyList<InventoryBatchDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<InventoryBatchDto>> Handle(GetInventoryBatchesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 读取批次
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var batches = await inventoryRepository.GetBatchesAsync(tenantId, request.StoreId, request.ProductSkuId, cancellationToken);
+        // 2. 映射
+        return batches.Select(InventoryMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/GetInventoryItemQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/GetInventoryItemQueryHandler.cs
new file mode 100644
index 0000000..f9a940c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/GetInventoryItemQueryHandler.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Application.App.Inventory.Queries;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 查询库存处理器。
+/// </summary>
+public sealed class GetInventoryItemQueryHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetInventoryItemQuery, InventoryItemDto?>
+{
+    /// <inheritdoc />
+    public async Task<InventoryItemDto?> Handle(GetInventoryItemQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 读取库存
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var item = await inventoryRepository.FindBySkuAsync(tenantId, request.StoreId, request.ProductSkuId, cancellationToken);
+        // 2. 返回 DTO
+        return item is null ? null : InventoryMapping.ToDto(item);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/LockInventoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/LockInventoryCommandHandler.cs
new file mode 100644
index 0000000..42f69fa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/LockInventoryCommandHandler.cs
@@ -0,0 +1,92 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 库存锁定处理器。
+/// </summary>
+public sealed class LockInventoryCommandHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<LockInventoryCommandHandler> logger)
+    : IRequestHandler<LockInventoryCommand, InventoryItemDto>
+{
+    /// <inheritdoc />
+    public async Task<InventoryItemDto> Handle(LockInventoryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取库存
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var item = await inventoryRepository.GetForUpdateAsync(tenantId, request.StoreId, request.ProductSkuId, cancellationToken);
+        if (item is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "库存不存在");
+        }
+
+        // 1.1 幂等处理
+        var existingLock = await inventoryRepository.FindLockByKeyAsync(tenantId, request.IdempotencyKey, cancellationToken);
+        if (existingLock is not null)
+        {
+            return InventoryMapping.ToDto(item);
+        }
+
+        // 2. 校验可用量
+        var now = DateTime.UtcNow;
+        var isPresale = request.IsPresaleOrder || item.IsPresale;
+        if (isPresale)
+        {
+            if (item.PresaleStartTime.HasValue && now < item.PresaleStartTime.Value)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "预售尚未开始");
+            }
+
+            if (item.PresaleEndTime.HasValue && now > item.PresaleEndTime.Value)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "预售已结束");
+            }
+        }
+
+        var available = isPresale
+            ? (item.PresaleCapacity ?? item.QuantityOnHand) - item.PresaleLocked
+            : item.QuantityOnHand - item.QuantityReserved;
+        if (available < request.Quantity)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "库存不足，无法锁定");
+        }
+
+        // 3. 执行锁定
+        if (isPresale)
+        {
+            item.PresaleLocked += request.Quantity;
+        }
+        else
+        {
+            item.QuantityReserved += request.Quantity;
+        }
+
+        item.IsSoldOut = item.QuantityOnHand - item.QuantityReserved - item.PresaleLocked <= (item.SafetyStock ?? 0);
+        await inventoryRepository.UpdateItemAsync(item, cancellationToken);
+        var lockRecord = new Domain.Inventory.Entities.InventoryLockRecord
+        {
+            TenantId = tenantId,
+            StoreId = request.StoreId,
+            ProductSkuId = request.ProductSkuId,
+            Quantity = request.Quantity,
+            IsPresale = isPresale,
+            IdempotencyKey = request.IdempotencyKey,
+            ExpiresAt = request.ExpiresAt,
+            Status = Domain.Inventory.Enums.InventoryLockStatus.Locked
+        };
+
+        await inventoryRepository.AddLockAsync(lockRecord, cancellationToken);
+        await inventoryRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("锁定库存 门店 {StoreId} SKU {ProductSkuId} 数量 {Quantity}", request.StoreId, request.ProductSkuId, request.Quantity);
+        return InventoryMapping.ToDto(item);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/ReleaseExpiredInventoryLocksCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/ReleaseExpiredInventoryLocksCommandHandler.cs
new file mode 100644
index 0000000..0ef2884
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/ReleaseExpiredInventoryLocksCommandHandler.cs
@@ -0,0 +1,60 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+using TakeoutSaaS.Domain.Inventory.Enums;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 释放过期锁定处理器。
+/// </summary>
+public sealed class ReleaseExpiredInventoryLocksCommandHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReleaseExpiredInventoryLocksCommandHandler> logger)
+    : IRequestHandler<ReleaseExpiredInventoryLocksCommand, int>
+{
+    /// <inheritdoc />
+    public async Task<int> Handle(ReleaseExpiredInventoryLocksCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询过期锁
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var now = DateTime.UtcNow;
+        var expiredLocks = await inventoryRepository.FindExpiredLocksAsync(tenantId, now, cancellationToken);
+        if (expiredLocks.Count == 0)
+        {
+            return 0;
+        }
+
+        // 2. 释放锁对应库存
+        var affected = 0;
+        foreach (var lockRecord in expiredLocks)
+        {
+            var item = await inventoryRepository.GetForUpdateAsync(tenantId, lockRecord.StoreId, lockRecord.ProductSkuId, cancellationToken);
+            if (item is null)
+            {
+                continue;
+            }
+
+            if (lockRecord.IsPresale)
+            {
+                item.PresaleLocked = Math.Max(0, item.PresaleLocked - lockRecord.Quantity);
+            }
+            else
+            {
+                item.QuantityReserved = Math.Max(0, item.QuantityReserved - lockRecord.Quantity);
+            }
+
+            item.IsSoldOut = item.QuantityOnHand - item.QuantityReserved - item.PresaleLocked <= (item.SafetyStock ?? 0);
+            await inventoryRepository.UpdateItemAsync(item, cancellationToken);
+            await inventoryRepository.MarkLockStatusAsync(lockRecord, InventoryLockStatus.Released, cancellationToken);
+            affected++;
+        }
+
+        await inventoryRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("释放过期库存锁定 {Count} 条", affected);
+        return affected;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/ReleaseInventoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/ReleaseInventoryCommandHandler.cs
new file mode 100644
index 0000000..b159471
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/ReleaseInventoryCommandHandler.cs
@@ -0,0 +1,76 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 库存释放处理器。
+/// </summary>
+public sealed class ReleaseInventoryCommandHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReleaseInventoryCommandHandler> logger)
+    : IRequestHandler<ReleaseInventoryCommand, InventoryItemDto>
+{
+    /// <inheritdoc />
+    public async Task<InventoryItemDto> Handle(ReleaseInventoryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取库存
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var item = await inventoryRepository.GetForUpdateAsync(tenantId, request.StoreId, request.ProductSkuId, cancellationToken);
+        if (item is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "库存不存在");
+        }
+
+        // 1.1 幂等处理：若提供键且锁记录不存在，直接视为已释放
+        if (!string.IsNullOrWhiteSpace(request.IdempotencyKey))
+        {
+            var lockRecord = await inventoryRepository.FindLockByKeyAsync(tenantId, request.IdempotencyKey, cancellationToken);
+            if (lockRecord is not null)
+            {
+                if (lockRecord.Status != Domain.Inventory.Enums.InventoryLockStatus.Locked)
+                {
+                    return InventoryMapping.ToDto(item);
+                }
+
+                // 将数量同步为锁记录数，避免重复释放不一致
+                request = request with { Quantity = lockRecord.Quantity };
+                await inventoryRepository.MarkLockStatusAsync(lockRecord, Domain.Inventory.Enums.InventoryLockStatus.Released, cancellationToken);
+            }
+        }
+
+        // 2. 计算释放
+        var isPresale = request.IsPresaleOrder || item.IsPresale;
+        if (isPresale)
+        {
+            if (item.PresaleLocked < request.Quantity)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "预售锁定不足");
+            }
+
+            item.PresaleLocked -= request.Quantity;
+        }
+        else
+        {
+            if (item.QuantityReserved < request.Quantity)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "锁定库存不足");
+            }
+
+            item.QuantityReserved -= request.Quantity;
+        }
+
+        item.IsSoldOut = item.QuantityOnHand - item.QuantityReserved - item.PresaleLocked <= (item.SafetyStock ?? 0);
+        await inventoryRepository.UpdateItemAsync(item, cancellationToken);
+        await inventoryRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("释放库存 门店 {StoreId} SKU {ProductSkuId} 数量 {Quantity}", request.StoreId, request.ProductSkuId, request.Quantity);
+        return InventoryMapping.ToDto(item);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/UpsertInventoryBatchCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/UpsertInventoryBatchCommandHandler.cs
new file mode 100644
index 0000000..dea621d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Handlers/UpsertInventoryBatchCommandHandler.cs
@@ -0,0 +1,57 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Entities;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Inventory.Handlers;
+
+/// <summary>
+/// 批次维护处理器。
+/// </summary>
+public sealed class UpsertInventoryBatchCommandHandler(
+    IInventoryRepository inventoryRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpsertInventoryBatchCommandHandler> logger)
+    : IRequestHandler<UpsertInventoryBatchCommand, InventoryBatchDto>
+{
+    /// <inheritdoc />
+    public async Task<InventoryBatchDto> Handle(UpsertInventoryBatchCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取批次
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var batch = await inventoryRepository.GetBatchForUpdateAsync(tenantId, request.StoreId, request.ProductSkuId, request.BatchNumber, cancellationToken);
+        // 2. 创建或更新
+        if (batch is null)
+        {
+            batch = new InventoryBatch
+            {
+                TenantId = tenantId,
+                StoreId = request.StoreId,
+                ProductSkuId = request.ProductSkuId,
+                BatchNumber = request.BatchNumber,
+                ProductionDate = request.ProductionDate,
+                ExpireDate = request.ExpireDate,
+                Quantity = request.Quantity,
+                RemainingQuantity = request.RemainingQuantity
+            };
+            await inventoryRepository.AddBatchAsync(batch, cancellationToken);
+        }
+        else
+        {
+            batch.ProductionDate = request.ProductionDate;
+            batch.ExpireDate = request.ExpireDate;
+            batch.Quantity = request.Quantity;
+            batch.RemainingQuantity = request.RemainingQuantity;
+            await inventoryRepository.UpdateBatchAsync(batch, cancellationToken);
+        }
+
+        await inventoryRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("维护批次 门店 {StoreId} SKU {ProductSkuId} 批次 {BatchNumber}", request.StoreId, request.ProductSkuId, request.BatchNumber);
+        return InventoryMapping.ToDto(batch);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/InventoryMapping.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/InventoryMapping.cs
new file mode 100644
index 0000000..b4c9cbd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/InventoryMapping.cs
@@ -0,0 +1,49 @@
+using TakeoutSaaS.Application.App.Inventory.Dto;
+using TakeoutSaaS.Domain.Inventory.Entities;
+
+namespace TakeoutSaaS.Application.App.Inventory;
+
+/// <summary>
+/// 库存映射辅助。
+/// </summary>
+public static class InventoryMapping
+{
+    /// <summary>
+    /// 映射库存 DTO。
+    /// </summary>
+    public static InventoryItemDto ToDto(InventoryItem item) => new()
+    {
+        Id = item.Id,
+        TenantId = item.TenantId,
+        StoreId = item.StoreId,
+        ProductSkuId = item.ProductSkuId,
+        BatchNumber = item.BatchNumber,
+        QuantityOnHand = item.QuantityOnHand,
+        QuantityReserved = item.QuantityReserved,
+        SafetyStock = item.SafetyStock,
+        Location = item.Location,
+        ExpireDate = item.ExpireDate,
+        IsPresale = item.IsPresale,
+        PresaleStartTime = item.PresaleStartTime,
+        PresaleEndTime = item.PresaleEndTime,
+        PresaleCapacity = item.PresaleCapacity,
+        PresaleLocked = item.PresaleLocked,
+        MaxQuantityPerOrder = item.MaxQuantityPerOrder,
+        IsSoldOut = item.IsSoldOut
+    };
+
+    /// <summary>
+    /// 映射批次 DTO。
+    /// </summary>
+    public static InventoryBatchDto ToDto(InventoryBatch batch) => new()
+    {
+        Id = batch.Id,
+        StoreId = batch.StoreId,
+        ProductSkuId = batch.ProductSkuId,
+        BatchNumber = batch.BatchNumber,
+        ProductionDate = batch.ProductionDate,
+        ExpireDate = batch.ExpireDate,
+        Quantity = batch.Quantity,
+        RemainingQuantity = batch.RemainingQuantity
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Queries/GetInventoryBatchesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Queries/GetInventoryBatchesQuery.cs
new file mode 100644
index 0000000..c95f4cc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Queries/GetInventoryBatchesQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+
+namespace TakeoutSaaS.Application.App.Inventory.Queries;
+
+/// <summary>
+/// 查询库存批次列表。
+/// </summary>
+public sealed record GetInventoryBatchesQuery : IRequest<IReadOnlyList<InventoryBatchDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Queries/GetInventoryItemQuery.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Queries/GetInventoryItemQuery.cs
new file mode 100644
index 0000000..446b59a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Queries/GetInventoryItemQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Inventory.Dto;
+
+namespace TakeoutSaaS.Application.App.Inventory.Queries;
+
+/// <summary>
+/// 按门店与 SKU 查询库存。
+/// </summary>
+public sealed record GetInventoryItemQuery : IRequest<InventoryItemDto?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    public long ProductSkuId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/AdjustInventoryCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/AdjustInventoryCommandValidator.cs
new file mode 100644
index 0000000..e74ea14
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/AdjustInventoryCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+
+namespace TakeoutSaaS.Application.App.Inventory.Validators;
+
+/// <summary>
+/// 库存调整命令验证器。
+/// </summary>
+public sealed class AdjustInventoryCommandValidator : AbstractValidator<AdjustInventoryCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public AdjustInventoryCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ProductSkuId).GreaterThan(0);
+        RuleFor(x => x.QuantityDelta).NotEqual(0);
+        RuleFor(x => x.SafetyStock).GreaterThanOrEqualTo(0).When(x => x.SafetyStock.HasValue);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/DeductInventoryCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/DeductInventoryCommandValidator.cs
new file mode 100644
index 0000000..53eba84
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/DeductInventoryCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+
+namespace TakeoutSaaS.Application.App.Inventory.Validators;
+
+/// <summary>
+/// 扣减库存命令验证器。
+/// </summary>
+public sealed class DeductInventoryCommandValidator : AbstractValidator<DeductInventoryCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public DeductInventoryCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ProductSkuId).GreaterThan(0);
+        RuleFor(x => x.Quantity).GreaterThan(0);
+        RuleFor(x => x.IdempotencyKey).MaximumLength(128);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/LockInventoryCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/LockInventoryCommandValidator.cs
new file mode 100644
index 0000000..38aa7ec
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/LockInventoryCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+
+namespace TakeoutSaaS.Application.App.Inventory.Validators;
+
+/// <summary>
+/// 库存锁定命令验证器。
+/// </summary>
+public sealed class LockInventoryCommandValidator : AbstractValidator<LockInventoryCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public LockInventoryCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ProductSkuId).GreaterThan(0);
+        RuleFor(x => x.Quantity).GreaterThan(0);
+        RuleFor(x => x.IdempotencyKey).NotEmpty().MaximumLength(128);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/ReleaseInventoryCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/ReleaseInventoryCommandValidator.cs
new file mode 100644
index 0000000..ed0b8dc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/ReleaseInventoryCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+
+namespace TakeoutSaaS.Application.App.Inventory.Validators;
+
+/// <summary>
+/// 释放库存命令验证器。
+/// </summary>
+public sealed class ReleaseInventoryCommandValidator : AbstractValidator<ReleaseInventoryCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ReleaseInventoryCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ProductSkuId).GreaterThan(0);
+        RuleFor(x => x.Quantity).GreaterThan(0);
+        RuleFor(x => x.IdempotencyKey).MaximumLength(128);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/UpsertInventoryBatchCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/UpsertInventoryBatchCommandValidator.cs
new file mode 100644
index 0000000..abcb278
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Inventory/Validators/UpsertInventoryBatchCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Inventory.Commands;
+
+namespace TakeoutSaaS.Application.App.Inventory.Validators;
+
+/// <summary>
+/// 批次维护命令验证器。
+/// </summary>
+public sealed class UpsertInventoryBatchCommandValidator : AbstractValidator<UpsertInventoryBatchCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpsertInventoryBatchCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ProductSkuId).GreaterThan(0);
+        RuleFor(x => x.BatchNumber).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Quantity).GreaterThan(0);
+        RuleFor(x => x.RemainingQuantity).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs
new file mode 100644
index 0000000..bc40f63
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs
@@ -0,0 +1,17 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 新增商户证照。
+/// </summary>
+public sealed record AddMerchantDocumentCommand(
+    [property: Required] long MerchantId,
+    [property: Required] MerchantDocumentType DocumentType,
+    [property: Required, MaxLength(512)] string FileUrl,
+    [property: MaxLength(64)] string? DocumentNumber,
+    DateTime? IssuedAt,
+    DateTime? ExpiresAt) : IRequest<MerchantDocumentDto>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs
new file mode 100644
index 0000000..fe01142
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs
@@ -0,0 +1,13 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 新增商户类目。
+/// </summary>
+public sealed record CreateMerchantCategoryCommand(
+    [property: Required, MaxLength(64)] string Name,
+    int? DisplayOrder,
+    bool IsActive = true) : IRequest<MerchantCategoryDto>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCommand.cs
new file mode 100644
index 0000000..ba98a8c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCommand.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 创建商户命令。
+/// </summary>
+public sealed class CreateMerchantCommand : IRequest<MerchantDto>
+{
+    /// <summary>
+    /// 品牌名称。
+    /// </summary>
+    [Required, MaxLength(128)]
+    public string BrandName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 品牌简称。
+    /// </summary>
+    [MaxLength(64)]
+    public string? BrandAlias { get; init; }
+
+    /// <summary>
+    /// 品牌 Logo。
+    /// </summary>
+    [MaxLength(256)]
+    public string? LogoUrl { get; init; }
+
+    /// <summary>
+    /// 品类。
+    /// </summary>
+    [MaxLength(64)]
+    public string? Category { get; init; }
+
+    /// <summary>
+    /// 联系电话。
+    /// </summary>
+    [Required, MaxLength(32)]
+    public string ContactPhone { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 联系邮箱。
+    /// </summary>
+    [MaxLength(128)]
+    public string? ContactEmail { get; init; }
+
+    /// <summary>
+    /// 状态，可用于直接设为审核通过等场景。
+    /// </summary>
+    public MerchantStatus Status { get; init; } = MerchantStatus.Pending;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs
new file mode 100644
index 0000000..957ba01
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 新建商户合同。
+/// </summary>
+public sealed record CreateMerchantContractCommand(
+    [property: Required] long MerchantId,
+    [property: Required, MaxLength(64)] string ContractNumber,
+    DateTime StartDate,
+    DateTime EndDate,
+    [property: Required, MaxLength(512)] string FileUrl) : IRequest<MerchantContractDto>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs
new file mode 100644
index 0000000..98cfd21
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 删除商户类目。
+/// </summary>
+public sealed record DeleteMerchantCategoryCommand([property: Required] long CategoryId) : IRequest<bool>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCommand.cs
new file mode 100644
index 0000000..415665c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 删除商户命令。
+/// </summary>
+public sealed class DeleteMerchantCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 商户 ID。
+    /// </summary>
+    public long MerchantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs
new file mode 100644
index 0000000..542e6aa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs
@@ -0,0 +1,17 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 调整类目排序。
+/// </summary>
+public sealed record ReorderMerchantCategoriesCommand(
+    [property: Required, MinLength(1)] IReadOnlyList<MerchantCategoryOrderItem> Items) : IRequest<bool>;
+
+/// <summary>
+/// 类目排序条目。
+/// </summary>
+public sealed record MerchantCategoryOrderItem(
+    [property: Required] long CategoryId,
+    [property: Range(-1000, 100000)] int DisplayOrder);
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantCommand.cs
new file mode 100644
index 0000000..a140562
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantCommand.cs
@@ -0,0 +1,50 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 更新商户命令。
+/// </summary>
+public sealed record UpdateMerchantCommand : IRequest<UpdateMerchantResultDto?>
+{
+    /// <summary>
+    /// 商户 ID。
+    /// </summary>
+    public long MerchantId { get; init; }
+
+    /// <summary>
+    /// 商户名称。
+    /// </summary>
+    public string? Name { get; init; }
+
+    /// <summary>
+    /// 营业执照号。
+    /// </summary>
+    public string? LicenseNumber { get; init; }
+
+    /// <summary>
+    /// 法人或负责人。
+    /// </summary>
+    public string? LegalRepresentative { get; init; }
+
+    /// <summary>
+    /// 注册地址。
+    /// </summary>
+    public string? RegisteredAddress { get; init; }
+
+    /// <summary>
+    /// 联系电话。
+    /// </summary>
+    public string? ContactPhone { get; init; }
+
+    /// <summary>
+    /// 联系邮箱。
+    /// </summary>
+    public string? ContactEmail { get; init; }
+
+    /// <summary>
+    /// 并发控制版本（兼容字段，当前由数据库 xmin 托管）。
+    /// </summary>
+    public byte[]? RowVersion { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs
new file mode 100644
index 0000000..f89f9bf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs
@@ -0,0 +1,16 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Merchants.Commands;
+
+/// <summary>
+/// 更新合同状态。
+/// </summary>
+public sealed record UpdateMerchantContractStatusCommand(
+    [property: Required] long MerchantId,
+    [property: Required] long ContractId,
+    [property: Required] ContractStatus Status,
+    DateTime? SignedAt,
+    string? Reason) : IRequest<MerchantContractDto>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/AddMerchantDocumentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/AddMerchantDocumentCommandHandler.cs
new file mode 100644
index 0000000..1ca8cf1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/AddMerchantDocumentCommandHandler.cs
@@ -0,0 +1,81 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 处理证照上传。
+/// </summary>
+public sealed class AddMerchantDocumentCommandHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    IIdGenerator idGenerator,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<AddMerchantDocumentCommand, MerchantDocumentDto>
+{
+    /// <summary>
+    /// 处理上传商户证照请求。
+    /// </summary>
+    /// <param name="request">上传命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>证照 DTO。</returns>
+    public async Task<MerchantDocumentDto> Handle(AddMerchantDocumentCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户并查询商户
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+
+        // 2. 构建证照记录
+        var document = new MerchantDocument
+        {
+            Id = idGenerator.NextId(),
+            MerchantId = merchant.Id,
+            DocumentType = request.DocumentType,
+            Status = MerchantDocumentStatus.Pending,
+            FileUrl = request.FileUrl.Trim(),
+            DocumentNumber = request.DocumentNumber?.Trim(),
+            IssuedAt = request.IssuedAt,
+            ExpiresAt = request.ExpiresAt
+        };
+
+        // 3. 持久化与审计
+        await merchantRepository.AddDocumentAsync(document, cancellationToken);
+        await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
+        {
+            TenantId = tenantId,
+            MerchantId = merchant.Id,
+            Action = MerchantAuditAction.DocumentUploaded,
+            Title = "上传证照",
+            Description = $"类型：{request.DocumentType}",
+            OperatorId = ResolveOperatorId(),
+            OperatorName = ResolveOperatorName()
+        }, cancellationToken);
+
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回 DTO
+        return MerchantMapping.ToDto(document);
+    }
+
+    private long? ResolveOperatorId()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? null : id;
+    }
+
+    private string ResolveOperatorName()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? "system" : $"user:{id}";
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs
new file mode 100644
index 0000000..917bfaa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs
@@ -0,0 +1,56 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 创建类目处理器。
+/// </summary>
+public sealed class CreateMerchantCategoryCommandHandler(
+    IMerchantCategoryRepository categoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<CreateMerchantCategoryCommand, MerchantCategoryDto>
+{
+    /// <summary>
+    /// 处理创建商户类目请求。
+    /// </summary>
+    /// <param name="request">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目 DTO。</returns>
+    public async Task<MerchantCategoryDto> Handle(CreateMerchantCategoryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var normalizedName = request.Name.Trim();
+
+        // 2. 检查重名
+        if (await categoryRepository.ExistsAsync(normalizedName, tenantId, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"类目“{normalizedName}”已存在");
+        }
+
+        // 3. 计算排序
+        var categories = await categoryRepository.ListAsync(tenantId, cancellationToken);
+        var targetOrder = request.DisplayOrder ?? (categories.Count == 0 ? 1 : categories.Max(x => x.DisplayOrder) + 1);
+
+        // 4. 构建实体
+        var entity = new MerchantCategory
+        {
+            Name = normalizedName,
+            DisplayOrder = targetOrder,
+            IsActive = request.IsActive
+        };
+
+        // 5. 持久化并返回
+        await categoryRepository.AddAsync(entity, cancellationToken);
+        await categoryRepository.SaveChangesAsync(cancellationToken);
+
+        return MerchantMapping.ToDto(entity);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCommandHandler.cs
new file mode 100644
index 0000000..d6a52e0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCommandHandler.cs
@@ -0,0 +1,57 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using System.Security.Cryptography;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 创建商户命令处理器。
+/// </summary>
+public sealed class CreateMerchantCommandHandler(IMerchantRepository merchantRepository, ILogger<CreateMerchantCommandHandler> logger)
+    : IRequestHandler<CreateMerchantCommand, MerchantDto>
+{
+    /// <inheritdoc />
+    public async Task<MerchantDto> Handle(CreateMerchantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 构建商户实体
+        var merchant = new Merchant
+        {
+            BrandName = request.BrandName.Trim(),
+            BrandAlias = request.BrandAlias?.Trim(),
+            LogoUrl = request.LogoUrl?.Trim(),
+            Category = request.Category?.Trim(),
+            ContactPhone = request.ContactPhone.Trim(),
+            ContactEmail = request.ContactEmail?.Trim(),
+            Status = request.Status,
+            RowVersion = RandomNumberGenerator.GetBytes(16),
+            JoinedAt = DateTime.UtcNow
+        };
+
+        // 2. 持久化
+        await merchantRepository.AddMerchantAsync(merchant, cancellationToken);
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 记录日志
+        logger.LogInformation("创建商户 {MerchantId} - {BrandName}", merchant.Id, merchant.BrandName);
+        return MapToDto(merchant);
+    }
+
+    private static MerchantDto MapToDto(Merchant merchant) => new()
+    {
+        Id = merchant.Id,
+        TenantId = merchant.TenantId,
+        BrandName = merchant.BrandName,
+        BrandAlias = merchant.BrandAlias,
+        LogoUrl = merchant.LogoUrl,
+        Category = merchant.Category,
+        ContactPhone = merchant.ContactPhone,
+        ContactEmail = merchant.ContactEmail,
+        Status = merchant.Status,
+        JoinedAt = merchant.JoinedAt,
+        CreatedAt = merchant.CreatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantContractCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantContractCommandHandler.cs
new file mode 100644
index 0000000..4d1a658
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantContractCommandHandler.cs
@@ -0,0 +1,85 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 创建商户合同。
+/// </summary>
+public sealed class CreateMerchantContractCommandHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    IIdGenerator idGenerator,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<CreateMerchantContractCommand, MerchantContractDto>
+{
+    /// <summary>
+    /// 处理创建商户合同请求。
+    /// </summary>
+    /// <param name="request">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>合同 DTO。</returns>
+    public async Task<MerchantContractDto> Handle(CreateMerchantContractCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验时间
+        if (request.EndDate <= request.StartDate)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "合同结束时间必须晚于开始时间");
+        }
+
+        // 2. 查询商户
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken)
+                       ?? throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+
+        // 3. 构建合同
+        var contract = new MerchantContract
+        {
+            Id = idGenerator.NextId(),
+            MerchantId = merchant.Id,
+            ContractNumber = request.ContractNumber.Trim(),
+            StartDate = request.StartDate,
+            EndDate = request.EndDate,
+            FileUrl = request.FileUrl.Trim()
+        };
+
+        // 4. 持久化与审计
+        await merchantRepository.AddContractAsync(contract, cancellationToken);
+        await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
+        {
+            TenantId = tenantId,
+            MerchantId = merchant.Id,
+            Action = MerchantAuditAction.ContractUpdated,
+            Title = "新增合同",
+            Description = $"合同号：{contract.ContractNumber}",
+            OperatorId = ResolveOperatorId(),
+            OperatorName = ResolveOperatorName()
+        }, cancellationToken);
+
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回 DTO
+        return MerchantMapping.ToDto(contract);
+    }
+
+    private long? ResolveOperatorId()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? null : id;
+    }
+
+    private string ResolveOperatorName()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? "system" : $"user:{id}";
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/DeleteMerchantCategoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/DeleteMerchantCategoryCommandHandler.cs
new file mode 100644
index 0000000..316214e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/DeleteMerchantCategoryCommandHandler.cs
@@ -0,0 +1,38 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 删除类目处理器。
+/// </summary>
+public sealed class DeleteMerchantCategoryCommandHandler(
+    IMerchantCategoryRepository categoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<DeleteMerchantCategoryCommand, bool>
+{
+    /// <summary>
+    /// 处理删除类目请求。
+    /// </summary>
+    /// <param name="request">删除命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(DeleteMerchantCategoryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await categoryRepository.FindByIdAsync(request.CategoryId, tenantId, cancellationToken);
+
+        if (existing == null)
+        {
+            return false;
+        }
+
+        // 2. 删除并保存
+        await categoryRepository.RemoveAsync(existing, cancellationToken);
+        await categoryRepository.SaveChangesAsync(cancellationToken);
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/DeleteMerchantCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/DeleteMerchantCommandHandler.cs
new file mode 100644
index 0000000..c79f74f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/DeleteMerchantCommandHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 删除商户命令处理器。
+/// </summary>
+public sealed class DeleteMerchantCommandHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteMerchantCommandHandler> logger)
+    : IRequestHandler<DeleteMerchantCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteMerchantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验存在性
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        // 2. 删除
+        await merchantRepository.DeleteMerchantAsync(request.MerchantId, tenantId, cancellationToken);
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除商户 {MerchantId}", request.MerchantId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ExportMerchantPdfQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ExportMerchantPdfQueryHandler.cs
new file mode 100644
index 0000000..13d2252
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ExportMerchantPdfQueryHandler.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Merchants.Services;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 导出商户 PDF 处理器。
+/// </summary>
+public sealed class ExportMerchantPdfQueryHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantRepository tenantRepository,
+    IMerchantExportService exportService,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ExportMerchantPdfQuery, byte[]>
+{
+    public async Task<byte[]> Handle(ExportMerchantPdfQuery request, CancellationToken cancellationToken)
+    {
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, currentTenantId, cancellationToken);
+
+        if (merchant == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+        }
+
+        var stores = await storeRepository.GetByMerchantIdAsync(merchant.Id, merchant.TenantId, cancellationToken);
+        var auditLogs = await merchantRepository.GetAuditLogsAsync(merchant.Id, merchant.TenantId, cancellationToken);
+        var tenant = await tenantRepository.FindByIdAsync(merchant.TenantId, cancellationToken);
+
+        return await exportService.ExportToPdfAsync(merchant, tenant?.Name, stores, auditLogs, cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditHistoryQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditHistoryQueryHandler.cs
new file mode 100644
index 0000000..3423417
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditHistoryQueryHandler.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 商户审核历史处理器。
+/// </summary>
+public sealed class GetMerchantAuditHistoryQueryHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantAuditHistoryQuery, IReadOnlyList<MerchantAuditLogDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantAuditLogDto>> Handle(
+        GetMerchantAuditHistoryQuery request,
+        CancellationToken cancellationToken)
+    {
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, currentTenantId, cancellationToken);
+
+        if (merchant == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+        }
+
+        var logs = await merchantRepository.GetAuditLogsAsync(merchant.Id, merchant.TenantId, cancellationToken);
+        return logs.Select(MerchantMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs
new file mode 100644
index 0000000..c14a842
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs
@@ -0,0 +1,41 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 读取商户审核日志。
+/// </summary>
+public sealed class GetMerchantAuditLogsQueryHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantAuditLogsQuery, PagedResult<MerchantAuditLogDto>>
+{
+    /// <summary>
+    /// 查询商户审核日志列表。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<PagedResult<MerchantAuditLogDto>> Handle(GetMerchantAuditLogsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并查询日志
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var logs = await merchantRepository.GetAuditLogsAsync(request.MerchantId, tenantId, cancellationToken);
+        var total = logs.Count;
+
+        // 2. 分页映射
+        var paged = logs
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .Select(MerchantMapping.ToDto)
+            .ToList();
+
+        // 3. 返回结果
+        return new PagedResult<MerchantAuditLogDto>(paged, request.Page, request.PageSize, total);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantByIdQueryHandler.cs
new file mode 100644
index 0000000..8272c6c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantByIdQueryHandler.cs
@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 获取商户详情查询处理器。
+/// </summary>
+public sealed class GetMerchantByIdQueryHandler(IMerchantRepository merchantRepository, ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantByIdQuery, MerchantDto?>
+{
+    /// <inheritdoc />
+    public async Task<MerchantDto?> Handle(GetMerchantByIdQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken);
+        if (merchant == null)
+        {
+            return null;
+        }
+
+        // 2. 返回 DTO
+        return new MerchantDto
+        {
+            Id = merchant.Id,
+            TenantId = merchant.TenantId,
+            BrandName = merchant.BrandName,
+            BrandAlias = merchant.BrandAlias,
+            LogoUrl = merchant.LogoUrl,
+            Category = merchant.Category,
+            ContactPhone = merchant.ContactPhone,
+            ContactEmail = merchant.ContactEmail,
+            Status = merchant.Status,
+            JoinedAt = merchant.JoinedAt,
+            CreatedAt = merchant.CreatedAt
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs
new file mode 100644
index 0000000..4cadf78
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs
@@ -0,0 +1,37 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 读取可选类目。
+/// </summary>
+public sealed class GetMerchantCategoriesQueryHandler(
+    IMerchantCategoryRepository categoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantCategoriesQuery, IReadOnlyList<string>>
+{
+    /// <summary>
+    /// 查询启用的商户类目名称列表。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目名称集合。</returns>
+    public async Task<IReadOnlyList<string>> Handle(GetMerchantCategoriesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并读取类目
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var categories = await categoryRepository.ListAsync(tenantId, cancellationToken);
+
+        // 2. 过滤启用类目并去重
+        return categories
+            .Where(x => x.IsActive)
+            .Select(x => x.Name.Trim())
+            .Where(x => x.Length > 0)
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToList()
+            .AsReadOnly();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantChangeHistoryQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantChangeHistoryQueryHandler.cs
new file mode 100644
index 0000000..7054a62
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantChangeHistoryQueryHandler.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 商户变更历史处理器。
+/// </summary>
+public sealed class GetMerchantChangeHistoryQueryHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantChangeHistoryQuery, IReadOnlyList<MerchantChangeLogDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantChangeLogDto>> Handle(
+        GetMerchantChangeHistoryQuery request,
+        CancellationToken cancellationToken)
+    {
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, currentTenantId, cancellationToken);
+
+        if (merchant == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+        }
+
+        var logs = await merchantRepository.GetChangeLogsAsync(merchant.Id, merchant.TenantId, request.FieldName, cancellationToken);
+        return logs.Select(MerchantMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs
new file mode 100644
index 0000000..d4aab9d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 查询合同列表。
+/// </summary>
+public sealed class GetMerchantContractsQueryHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantContractsQuery, IReadOnlyList<MerchantContractDto>>
+{
+    /// <summary>
+    /// 查询商户合同列表。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>合同 DTO 列表。</returns>
+    public async Task<IReadOnlyList<MerchantContractDto>> Handle(GetMerchantContractsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并校验商户存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        _ = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+
+        // 2. 查询合同列表
+        var contracts = await merchantRepository.GetContractsAsync(request.MerchantId, tenantId, cancellationToken);
+        return MerchantMapping.ToContractDtos(contracts);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDetailQueryHandler.cs
new file mode 100644
index 0000000..236ea6b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDetailQueryHandler.cs
@@ -0,0 +1,48 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 商户详情处理器。
+/// </summary>
+public sealed class GetMerchantDetailQueryHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantDetailQuery, MerchantDetailDto>
+{
+    /// <summary>
+    /// 查询商户详情，包括证照和合同。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商户详情 DTO。</returns>
+    public async Task<MerchantDetailDto> Handle(GetMerchantDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户并查询商户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var merchant = await merchantRepository.FindByIdAsync(request.MerchantId, currentTenantId, cancellationToken);
+
+        if (merchant == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+        }
+
+        // 2. 查询门店与租户信息
+        var stores = await storeRepository.GetByMerchantIdAsync(merchant.Id, merchant.TenantId, cancellationToken);
+        var storeDtos = MerchantMapping.ToStoreDtos(stores);
+        var tenant = await tenantRepository.FindByIdAsync(merchant.TenantId, cancellationToken);
+
+        // 3. 返回明细 DTO
+        return MerchantMapping.ToDetailDto(merchant, tenant?.Name, storeDtos);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs
new file mode 100644
index 0000000..df32509
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 查询证照列表。
+/// </summary>
+public sealed class GetMerchantDocumentsQueryHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantDocumentsQuery, IReadOnlyList<MerchantDocumentDto>>
+{
+    /// <summary>
+    /// 查询商户证照列表。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>证照 DTO 列表。</returns>
+    public async Task<IReadOnlyList<MerchantDocumentDto>> Handle(GetMerchantDocumentsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并校验商户存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        _ = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
+
+        // 2. 查询证照列表
+        var documents = await merchantRepository.GetDocumentsAsync(request.MerchantId, tenantId, cancellationToken);
+        return MerchantMapping.ToDocumentDtos(documents);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantListQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantListQueryHandler.cs
new file mode 100644
index 0000000..f56f870
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantListQueryHandler.cs
@@ -0,0 +1,98 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 商户列表查询处理器。
+/// </summary>
+public sealed class GetMerchantListQueryHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetMerchantListQuery, PagedResult<MerchantListItemDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<MerchantListItemDto>> Handle(
+        GetMerchantListQuery request,
+        CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户并校验跨租户访问
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户查询商户");
+        }
+
+        var effectiveTenantId = currentTenantId;
+
+        // 2. 查询商户列表
+        var merchants = await merchantRepository.SearchAsync(
+            effectiveTenantId,
+            request.Status,
+            request.OperatingMode,
+            request.Keyword,
+            cancellationToken);
+
+        if (merchants.Count == 0)
+        {
+            return new PagedResult<MerchantListItemDto>(Array.Empty<MerchantListItemDto>(), request.Page, request.PageSize, 0);
+        }
+
+        // 3. 排序 & 分页
+        var sorted = ApplySorting(merchants, request.SortBy, request.SortOrder);
+        var total = sorted.Count;
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        if (paged.Count == 0)
+        {
+            return new PagedResult<MerchantListItemDto>(Array.Empty<MerchantListItemDto>(), request.Page, request.PageSize, total);
+        }
+
+        // 4. 批量查询租户名称
+        var tenantIds = paged.Select(x => x.TenantId).Distinct().ToArray();
+        var tenants = await tenantRepository.FindByIdsAsync(tenantIds, cancellationToken);
+        var tenantLookup = tenants.ToDictionary(x => x.Id, x => x.Name);
+
+        // 5. 批量查询门店数量
+        var merchantIds = paged.Select(x => x.Id).ToArray();
+        var storeCounts = await storeRepository.GetStoreCountsAsync(effectiveTenantId, merchantIds, cancellationToken);
+
+        // 6. 组装 DTO
+        var items = paged.Select(merchant =>
+        {
+            var tenantName = tenantLookup.TryGetValue(merchant.TenantId, out var name) ? name : null;
+            var count = storeCounts.TryGetValue(merchant.Id, out var value) ? value : 0;
+            return MerchantMapping.ToListItemDto(merchant, tenantName, count);
+        }).ToList();
+
+        return new PagedResult<MerchantListItemDto>(items, request.Page, request.PageSize, total);
+    }
+
+    private static List<Domain.Merchants.Entities.Merchant> ApplySorting(
+        IReadOnlyList<Domain.Merchants.Entities.Merchant> merchants,
+        string? sortBy,
+        string? sortOrder)
+    {
+        var descending = !string.Equals(sortOrder, "asc", StringComparison.OrdinalIgnoreCase);
+        return (sortBy ?? string.Empty).Trim().ToLowerInvariant() switch
+        {
+            "name" => descending ? merchants.OrderByDescending(x => x.BrandName).ToList() : merchants.OrderBy(x => x.BrandName).ToList(),
+            "status" => descending ? merchants.OrderByDescending(x => x.Status).ToList() : merchants.OrderBy(x => x.Status).ToList(),
+            "updatedat" => descending ? merchants.OrderByDescending(x => x.UpdatedAt ?? x.CreatedAt).ToList() : merchants.OrderBy(x => x.UpdatedAt ?? x.CreatedAt).ToList(),
+            _ => descending ? merchants.OrderByDescending(x => x.CreatedAt).ToList() : merchants.OrderBy(x => x.CreatedAt).ToList()
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs
new file mode 100644
index 0000000..04c46ac
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs
@@ -0,0 +1,32 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 列出类目。
+/// </summary>
+public sealed class ListMerchantCategoriesQueryHandler(
+    IMerchantCategoryRepository categoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListMerchantCategoriesQuery, IReadOnlyList<MerchantCategoryDto>>
+{
+    /// <summary>
+    /// 列出所有类目。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目 DTO 列表。</returns>
+    public async Task<IReadOnlyList<MerchantCategoryDto>> Handle(ListMerchantCategoriesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var categories = await categoryRepository.ListAsync(tenantId, cancellationToken);
+
+        // 2. 映射 DTO
+        return MerchantMapping.ToCategoryDtos(categories);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs
new file mode 100644
index 0000000..acd0242
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs
@@ -0,0 +1,47 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 类目排序处理器。
+/// </summary>
+public sealed class ReorderMerchantCategoriesCommandHandler(
+    IMerchantCategoryRepository categoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ReorderMerchantCategoriesCommand, bool>
+{
+    /// <summary>
+    /// 调整类目排序。
+    /// </summary>
+    /// <param name="request">排序命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(ReorderMerchantCategoriesCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户并查询类目
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var categories = await categoryRepository.ListAsync(tenantId, cancellationToken);
+        var map = categories.ToDictionary(x => x.Id);
+
+        // 2. 更新排序
+        foreach (var item in request.Items)
+        {
+            if (!map.TryGetValue(item.CategoryId, out var category))
+            {
+                throw new BusinessException(ErrorCodes.NotFound, $"类目 {item.CategoryId} 不存在");
+            }
+
+            category.DisplayOrder = item.DisplayOrder;
+        }
+
+        // 3. 持久化
+        await categoryRepository.UpdateRangeAsync(map.Values, cancellationToken);
+        await categoryRepository.SaveChangesAsync(cancellationToken);
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/SearchMerchantsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/SearchMerchantsQueryHandler.cs
new file mode 100644
index 0000000..b545129
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/SearchMerchantsQueryHandler.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 商户列表查询处理器。
+/// </summary>
+public sealed class SearchMerchantsQueryHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchMerchantsQuery, PagedResult<MerchantDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<MerchantDto>> Handle(SearchMerchantsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户并查询商户
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var merchants = await merchantRepository.SearchAsync(tenantId, request.Status, cancellationToken);
+
+        // 2. 排序与分页
+        var sorted = ApplySorting(merchants, request.SortBy, request.SortDescending);
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        // 3. 映射 DTO
+        var items = paged.Select(merchant => new MerchantDto
+        {
+            Id = merchant.Id,
+            TenantId = merchant.TenantId,
+            BrandName = merchant.BrandName,
+            BrandAlias = merchant.BrandAlias,
+            LogoUrl = merchant.LogoUrl,
+            Category = merchant.Category,
+            ContactPhone = merchant.ContactPhone,
+            ContactEmail = merchant.ContactEmail,
+            Status = merchant.Status,
+            JoinedAt = merchant.JoinedAt,
+            CreatedAt = merchant.CreatedAt
+        }).ToList();
+
+        // 4. 返回分页结果
+        return new PagedResult<MerchantDto>(items, request.Page, request.PageSize, merchants.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.Merchants.Entities.Merchant> ApplySorting(
+        IReadOnlyCollection<Domain.Merchants.Entities.Merchant> merchants,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "brandname" => sortDescending
+                ? merchants.OrderByDescending(x => x.BrandName)
+                : merchants.OrderBy(x => x.BrandName),
+            "status" => sortDescending
+                ? merchants.OrderByDescending(x => x.Status)
+                : merchants.OrderBy(x => x.Status),
+            _ => sortDescending
+                ? merchants.OrderByDescending(x => x.CreatedAt)
+                : merchants.OrderBy(x => x.CreatedAt)
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/UpdateMerchantCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/UpdateMerchantCommandHandler.cs
new file mode 100644
index 0000000..3c76c78
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/UpdateMerchantCommandHandler.cs
@@ -0,0 +1,177 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 更新商户命令处理器。
+/// </summary>
+public sealed class UpdateMerchantCommandHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    ILogger<UpdateMerchantCommandHandler> logger)
+    : IRequestHandler<UpdateMerchantCommand, UpdateMerchantResultDto?>
+{
+    /// <inheritdoc />
+    public async Task<UpdateMerchantResultDto?> Handle(UpdateMerchantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取操作者权限
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 读取商户信息
+        var merchant = await merchantRepository.GetForUpdateAsync(request.MerchantId, currentTenantId, cancellationToken);
+
+        if (merchant == null)
+        {
+            return null;
+        }
+
+        // 3. 规范化输入
+        var name = NormalizeRequired(request.Name, "商户名称");
+        var contactPhone = NormalizeRequired(request.ContactPhone, "联系电话");
+        var licenseNumber = NormalizeOptional(request.LicenseNumber);
+        var legalRepresentative = NormalizeOptional(request.LegalRepresentative);
+        var registeredAddress = NormalizeOptional(request.RegisteredAddress);
+        var contactEmail = NormalizeOptional(request.ContactEmail);
+
+        var now = DateTime.UtcNow;
+        var actorId = currentUserAccessor.UserId == 0 ? (long?)null : currentUserAccessor.UserId;
+        var actorName = ResolveActorName();
+        var changes = new List<MerchantChangeLog>();
+        var criticalChanged = false;
+
+        TrackChange("name", merchant.BrandName, name, isCritical: true);
+        TrackChange("licenseNumber", merchant.BusinessLicenseNumber, licenseNumber, isCritical: true);
+        TrackChange("legalRepresentative", merchant.LegalPerson, legalRepresentative, isCritical: true);
+        TrackChange("registeredAddress", merchant.Address, registeredAddress, isCritical: true);
+        TrackChange("contactPhone", merchant.ContactPhone, contactPhone, isCritical: false);
+        TrackChange("contactEmail", merchant.ContactEmail, contactEmail, isCritical: false);
+
+        // 4. 写入字段
+        merchant.BrandName = name;
+        merchant.BusinessLicenseNumber = licenseNumber;
+        merchant.LegalPerson = legalRepresentative;
+        merchant.Address = registeredAddress;
+        merchant.ContactPhone = contactPhone;
+        merchant.ContactEmail = contactEmail;
+
+        var requiresReview = merchant.Status == MerchantStatus.Approved && criticalChanged;
+        if (requiresReview)
+        {
+            merchant.Status = MerchantStatus.Pending;
+            merchant.IsFrozen = true;
+            merchant.FrozenReason = "关键信息变更待审核";
+            merchant.FrozenAt = now;
+        }
+        else if (merchant.Status == MerchantStatus.Rejected)
+        {
+            merchant.Status = MerchantStatus.Pending;
+            merchant.IsFrozen = false;
+            merchant.FrozenReason = null;
+            merchant.FrozenAt = null;
+        }
+
+        // 5. 持久化日志与数据
+        await merchantRepository.UpdateMerchantAsync(merchant, cancellationToken);
+        foreach (var log in changes)
+        {
+            await merchantRepository.AddChangeLogAsync(log, cancellationToken);
+        }
+
+        if (requiresReview)
+        {
+            await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
+            {
+                TenantId = merchant.TenantId,
+                MerchantId = merchant.Id,
+                Action = MerchantAuditAction.ReviewPendingReApproval,
+                Title = "关键信息变更待审核",
+                Description = "关键信息修改后已进入待审核状态",
+                OperatorId = actorId,
+                OperatorName = actorName
+            }, cancellationToken);
+        }
+
+        try
+        {
+            await merchantRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (IsConcurrencyException(exception))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "商户信息已被修改，请刷新后重试");
+        }
+
+        logger.LogInformation("更新商户 {MerchantId} - {Name}", merchant.Id, merchant.BrandName);
+
+        // 6. 返回更新结果
+        var stores = await storeRepository.GetByMerchantIdAsync(merchant.Id, merchant.TenantId, cancellationToken);
+        var tenant = await tenantRepository.FindByIdAsync(merchant.TenantId, cancellationToken);
+        var detail = MerchantMapping.ToDetailDto(merchant, tenant?.Name, MerchantMapping.ToStoreDtos(stores));
+
+        return new UpdateMerchantResultDto
+        {
+            Merchant = detail,
+            RequiresReview = requiresReview
+        };
+
+        void TrackChange(string fieldName, string? oldValue, string? newValue, bool isCritical)
+        {
+            var normalizedOld = NormalizeOptional(oldValue);
+            var normalizedNew = NormalizeOptional(newValue);
+            if (string.Equals(normalizedOld, normalizedNew, StringComparison.Ordinal))
+            {
+                return;
+            }
+
+            if (isCritical)
+            {
+                criticalChanged = true;
+            }
+
+            changes.Add(new MerchantChangeLog
+            {
+                TenantId = merchant.TenantId,
+                MerchantId = merchant.Id,
+                FieldName = fieldName,
+                OldValue = normalizedOld,
+                NewValue = normalizedNew,
+                ChangedBy = actorId,
+                ChangedByName = actorName,
+                ChangeType = "Update"
+            });
+        }
+    }
+
+    private static string NormalizeRequired(string? value, string fieldName)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, $"{fieldName}不能为空");
+        }
+
+        return value.Trim();
+    }
+
+    private static string? NormalizeOptional(string? value)
+        => string.IsNullOrWhiteSpace(value) ? null : value.Trim();
+
+    private string ResolveActorName()
+        => currentUserAccessor.IsAuthenticated ? $"user:{currentUserAccessor.UserId}" : "system";
+
+    private static bool IsConcurrencyException(Exception exception)
+        => string.Equals(exception.GetType().Name, "DbUpdateConcurrencyException", StringComparison.Ordinal);
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/UpdateMerchantContractStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/UpdateMerchantContractStatusCommandHandler.cs
new file mode 100644
index 0000000..1fc4707
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/UpdateMerchantContractStatusCommandHandler.cs
@@ -0,0 +1,83 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Merchants.Handlers;
+
+/// <summary>
+/// 更新合同状态处理器。
+/// </summary>
+public sealed class UpdateMerchantContractStatusCommandHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<UpdateMerchantContractStatusCommand, MerchantContractDto>
+{
+    /// <summary>
+    /// 更新合同状态。
+    /// </summary>
+    /// <param name="request">状态变更命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>合同 DTO。</returns>
+    public async Task<MerchantContractDto> Handle(UpdateMerchantContractStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询合同
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var contract = await merchantRepository.FindContractByIdAsync(request.MerchantId, tenantId, request.ContractId, cancellationToken)
+                       ?? throw new BusinessException(ErrorCodes.NotFound, "合同不存在");
+
+        // 2. 更新状态
+        if (request.Status == ContractStatus.Active)
+        {
+            contract.Status = ContractStatus.Active;
+            contract.SignedAt = request.SignedAt ?? DateTime.UtcNow;
+        }
+        else if (request.Status == ContractStatus.Terminated)
+        {
+            contract.Status = ContractStatus.Terminated;
+            contract.TerminatedAt = DateTime.UtcNow;
+            contract.TerminationReason = request.Reason;
+        }
+        else
+        {
+            contract.Status = request.Status;
+        }
+
+        // 3. 持久化与审计
+        await merchantRepository.UpdateContractAsync(contract, cancellationToken);
+        await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
+        {
+            TenantId = tenantId,
+            MerchantId = contract.MerchantId,
+            Action = MerchantAuditAction.ContractStatusChanged,
+            Title = $"合同状态变更为 {request.Status}",
+            Description = request.Reason,
+            OperatorId = ResolveOperatorId(),
+            OperatorName = ResolveOperatorName()
+        }, cancellationToken);
+
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回 DTO
+        return MerchantMapping.ToDto(contract);
+    }
+
+    private long? ResolveOperatorId()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? null : id;
+    }
+
+    private string ResolveOperatorName()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? "system" : $"user:{id}";
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ExportMerchantPdfQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ExportMerchantPdfQuery.cs
new file mode 100644
index 0000000..ea009a3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ExportMerchantPdfQuery.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 导出商户 PDF 查询。
+/// </summary>
+public sealed record ExportMerchantPdfQuery(long MerchantId) : IRequest<byte[]>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantAuditHistoryQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantAuditHistoryQuery.cs
new file mode 100644
index 0000000..ebbdeda
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantAuditHistoryQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 商户审核历史查询。
+/// </summary>
+public sealed record GetMerchantAuditHistoryQuery(long MerchantId) : IRequest<IReadOnlyList<MerchantAuditLogDto>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantAuditLogsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantAuditLogsQuery.cs
new file mode 100644
index 0000000..e82a58c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantAuditLogsQuery.cs
@@ -0,0 +1,13 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 商户审核日志查询。
+/// </summary>
+public sealed record GetMerchantAuditLogsQuery(
+    long MerchantId,
+    int Page = 1,
+    int PageSize = 20) : IRequest<PagedResult<MerchantAuditLogDto>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantByIdQuery.cs
new file mode 100644
index 0000000..fce904d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 按 ID 获取商户。
+/// </summary>
+public sealed class GetMerchantByIdQuery : IRequest<MerchantDto?>
+{
+    /// <summary>
+    /// 商户 ID。
+    /// </summary>
+    public long MerchantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs
new file mode 100644
index 0000000..558bcc6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs
@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 获取商户可选类目。
+/// </summary>
+public sealed record GetMerchantCategoriesQuery() : IRequest<IReadOnlyList<string>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantChangeHistoryQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantChangeHistoryQuery.cs
new file mode 100644
index 0000000..8e3e5f3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantChangeHistoryQuery.cs
@@ -0,0 +1,10 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 获取商户变更历史。
+/// </summary>
+public sealed record GetMerchantChangeHistoryQuery(long MerchantId, string? FieldName = null)
+    : IRequest<IReadOnlyList<MerchantChangeLogDto>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs
new file mode 100644
index 0000000..bdf17d6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 查询商户合同。
+/// </summary>
+public sealed record GetMerchantContractsQuery(long MerchantId) : IRequest<IReadOnlyList<MerchantContractDto>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDetailQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDetailQuery.cs
new file mode 100644
index 0000000..f3b3eaa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDetailQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 商户详情查询。
+/// </summary>
+public sealed record GetMerchantDetailQuery(long MerchantId) : IRequest<MerchantDetailDto>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs
new file mode 100644
index 0000000..f3dd1bf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 查询商户证照。
+/// </summary>
+public sealed record GetMerchantDocumentsQuery(long MerchantId) : IRequest<IReadOnlyList<MerchantDocumentDto>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantListQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantListQuery.cs
new file mode 100644
index 0000000..ce4dfdc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantListQuery.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Common.Enums;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 商户列表查询。
+/// </summary>
+public sealed class GetMerchantListQuery : IRequest<PagedResult<MerchantListItemDto>>
+{
+    /// <summary>
+    /// 关键词（商户名称/营业执照号）。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 状态过滤。
+    /// </summary>
+    public MerchantStatus? Status { get; init; }
+
+    /// <summary>
+    /// 经营模式过滤。
+    /// </summary>
+    public OperatingMode? OperatingMode { get; init; }
+
+    /// <summary>
+    /// 租户过滤（可选，默认当前租户；禁止跨租户）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（createdAt/updatedAt/name/status）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 排序方向（asc/desc）。
+    /// </summary>
+    public string? SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs
new file mode 100644
index 0000000..5fa29e9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 管理端获取完整类目列表。
+/// </summary>
+public sealed record ListMerchantCategoriesQuery() : IRequest<IReadOnlyList<MerchantCategoryDto>>;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/SearchMerchantsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/SearchMerchantsQuery.cs
new file mode 100644
index 0000000..b3ca969
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/SearchMerchantsQuery.cs
@@ -0,0 +1,37 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Merchants.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Merchants.Queries;
+
+/// <summary>
+/// 搜索商户列表。
+/// </summary>
+public sealed class SearchMerchantsQuery : IRequest<PagedResult<MerchantDto>>
+{
+    /// <summary>
+    /// 按状态过滤。
+    /// </summary>
+    public MerchantStatus? Status { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（brandName/status/createdAt）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/CreateMerchantCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/CreateMerchantCommandValidator.cs
new file mode 100644
index 0000000..bd930d7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/CreateMerchantCommandValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+
+namespace TakeoutSaaS.Application.App.Merchants.Validators;
+
+/// <summary>
+/// 创建商户命令验证器。
+/// </summary>
+public sealed class CreateMerchantCommandValidator : AbstractValidator<CreateMerchantCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateMerchantCommandValidator()
+    {
+        RuleFor(x => x.BrandName).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.BrandAlias).MaximumLength(64);
+        RuleFor(x => x.LogoUrl).MaximumLength(256);
+        RuleFor(x => x.Category).MaximumLength(64);
+        RuleFor(x => x.ContactPhone).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.ContactEmail).EmailAddress().When(x => !string.IsNullOrWhiteSpace(x.ContactEmail));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/SearchMerchantsQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/SearchMerchantsQueryValidator.cs
new file mode 100644
index 0000000..e14707f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/SearchMerchantsQueryValidator.cs
@@ -0,0 +1,20 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Merchants.Queries;
+
+namespace TakeoutSaaS.Application.App.Merchants.Validators;
+
+/// <summary>
+/// 商户列表查询验证器。
+/// </summary>
+public sealed class SearchMerchantsQueryValidator : AbstractValidator<SearchMerchantsQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchMerchantsQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/UpdateMerchantCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/UpdateMerchantCommandValidator.cs
new file mode 100644
index 0000000..db43914
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Validators/UpdateMerchantCommandValidator.cs
@@ -0,0 +1,25 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Merchants.Commands;
+
+namespace TakeoutSaaS.Application.App.Merchants.Validators;
+
+/// <summary>
+/// 更新商户命令验证器。
+/// </summary>
+public sealed class UpdateMerchantCommandValidator : AbstractValidator<UpdateMerchantCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateMerchantCommandValidator()
+    {
+        RuleFor(x => x.MerchantId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.LicenseNumber).MaximumLength(64);
+        RuleFor(x => x.LegalRepresentative).MaximumLength(64);
+        RuleFor(x => x.RegisteredAddress).MaximumLength(256);
+        RuleFor(x => x.ContactPhone).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.ContactEmail).EmailAddress().MaximumLength(128)
+            .When(x => !string.IsNullOrWhiteSpace(x.ContactEmail));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Commands/CreateOrderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/CreateOrderCommand.cs
new file mode 100644
index 0000000..824de33
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/CreateOrderCommand.cs
@@ -0,0 +1,117 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Orders.Commands;
+
+/// <summary>
+/// 创建订单命令。
+/// </summary>
+public sealed class CreateOrderCommand : IRequest<OrderDto>
+{
+    /// <summary>
+    /// 订单号。
+    /// </summary>
+    public string OrderNo { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 渠道。
+    /// </summary>
+    public OrderChannel Channel { get; set; } = OrderChannel.MiniProgram;
+
+    /// <summary>
+    /// 履约方式。
+    /// </summary>
+    public DeliveryType DeliveryType { get; set; } = DeliveryType.DineIn;
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public OrderStatus Status { get; set; } = OrderStatus.PendingPayment;
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus PaymentStatus { get; set; } = PaymentStatus.Unpaid;
+
+    /// <summary>
+    /// 顾客姓名。
+    /// </summary>
+    public string? CustomerName { get; set; }
+
+    /// <summary>
+    /// 顾客手机号。
+    /// </summary>
+    public string? CustomerPhone { get; set; }
+
+    /// <summary>
+    /// 桌号。
+    /// </summary>
+    public string? TableNo { get; set; }
+
+    /// <summary>
+    /// 排队号。
+    /// </summary>
+    public string? QueueNumber { get; set; }
+
+    /// <summary>
+    /// 预约 ID。
+    /// </summary>
+    public long? ReservationId { get; set; }
+
+    /// <summary>
+    /// 商品金额。
+    /// </summary>
+    public decimal ItemsAmount { get; set; }
+
+    /// <summary>
+    /// 优惠金额。
+    /// </summary>
+    public decimal DiscountAmount { get; set; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal PayableAmount { get; set; }
+
+    /// <summary>
+    /// 实付金额。
+    /// </summary>
+    public decimal PaidAmount { get; set; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; set; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? FinishedAt { get; set; }
+
+    /// <summary>
+    /// 取消时间。
+    /// </summary>
+    public DateTime? CancelledAt { get; set; }
+
+    /// <summary>
+    /// 取消原因。
+    /// </summary>
+    public string? CancelReason { get; set; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; set; }
+
+    /// <summary>
+    /// 明细。
+    /// </summary>
+    public IReadOnlyList<OrderItemRequest> Items { get; set; } = Array.Empty<OrderItemRequest>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Commands/DeleteOrderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/DeleteOrderCommand.cs
new file mode 100644
index 0000000..f7632c6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/DeleteOrderCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Orders.Commands;
+
+/// <summary>
+/// 删除订单命令。
+/// </summary>
+public sealed class DeleteOrderCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Commands/OrderItemRequest.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/OrderItemRequest.cs
new file mode 100644
index 0000000..544cd85
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/OrderItemRequest.cs
@@ -0,0 +1,52 @@
+namespace TakeoutSaaS.Application.App.Orders.Commands;
+
+/// <summary>
+/// 订单明细请求。
+/// </summary>
+public sealed class OrderItemRequest
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; set; }
+
+    /// <summary>
+    /// 商品名称。
+    /// </summary>
+    public string ProductName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// SKU 描述。
+    /// </summary>
+    public string? SkuName { get; set; }
+
+    /// <summary>
+    /// 单位。
+    /// </summary>
+    public string? Unit { get; set; }
+
+    /// <summary>
+    /// 数量。
+    /// </summary>
+    public int Quantity { get; set; }
+
+    /// <summary>
+    /// 单价。
+    /// </summary>
+    public decimal UnitPrice { get; set; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; set; }
+
+    /// <summary>
+    /// 小计。
+    /// </summary>
+    public decimal SubTotal { get; set; }
+
+    /// <summary>
+    /// 属性 JSON。
+    /// </summary>
+    public string? AttributesJson { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Commands/UpdateOrderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/UpdateOrderCommand.cs
new file mode 100644
index 0000000..12de4b7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Commands/UpdateOrderCommand.cs
@@ -0,0 +1,117 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Orders.Commands;
+
+/// <summary>
+/// 更新订单命令。
+/// </summary>
+public sealed record UpdateOrderCommand : IRequest<OrderDto?>
+{
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 订单号。
+    /// </summary>
+    public string OrderNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 渠道。
+    /// </summary>
+    public OrderChannel Channel { get; init; } = OrderChannel.MiniProgram;
+
+    /// <summary>
+    /// 履约方式。
+    /// </summary>
+    public DeliveryType DeliveryType { get; init; } = DeliveryType.DineIn;
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public OrderStatus Status { get; init; } = OrderStatus.PendingPayment;
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus PaymentStatus { get; init; } = PaymentStatus.Unpaid;
+
+    /// <summary>
+    /// 顾客姓名。
+    /// </summary>
+    public string? CustomerName { get; init; }
+
+    /// <summary>
+    /// 顾客手机号。
+    /// </summary>
+    public string? CustomerPhone { get; init; }
+
+    /// <summary>
+    /// 桌号。
+    /// </summary>
+    public string? TableNo { get; init; }
+
+    /// <summary>
+    /// 排队号。
+    /// </summary>
+    public string? QueueNumber { get; init; }
+
+    /// <summary>
+    /// 预约 ID。
+    /// </summary>
+    public long? ReservationId { get; init; }
+
+    /// <summary>
+    /// 商品金额。
+    /// </summary>
+    public decimal ItemsAmount { get; init; }
+
+    /// <summary>
+    /// 优惠金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal PayableAmount { get; init; }
+
+    /// <summary>
+    /// 实付金额。
+    /// </summary>
+    public decimal PaidAmount { get; init; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? FinishedAt { get; init; }
+
+    /// <summary>
+    /// 取消时间。
+    /// </summary>
+    public DateTime? CancelledAt { get; init; }
+
+    /// <summary>
+    /// 取消原因。
+    /// </summary>
+    public string? CancelReason { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderDto.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderDto.cs
new file mode 100644
index 0000000..6add72b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderDto.cs
@@ -0,0 +1,146 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Orders.Dto;
+
+/// <summary>
+/// 订单 DTO。
+/// </summary>
+public sealed class OrderDto
+{
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 订单号。
+    /// </summary>
+    public string OrderNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 渠道。
+    /// </summary>
+    public OrderChannel Channel { get; init; }
+
+    /// <summary>
+    /// 履约方式。
+    /// </summary>
+    public DeliveryType DeliveryType { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public OrderStatus Status { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus PaymentStatus { get; init; }
+
+    /// <summary>
+    /// 顾客姓名。
+    /// </summary>
+    public string? CustomerName { get; init; }
+
+    /// <summary>
+    /// 顾客手机号。
+    /// </summary>
+    public string? CustomerPhone { get; init; }
+
+    /// <summary>
+    /// 桌号。
+    /// </summary>
+    public string? TableNo { get; init; }
+
+    /// <summary>
+    /// 排队号。
+    /// </summary>
+    public string? QueueNumber { get; init; }
+
+    /// <summary>
+    /// 预约 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long? ReservationId { get; init; }
+
+    /// <summary>
+    /// 商品金额。
+    /// </summary>
+    public decimal ItemsAmount { get; init; }
+
+    /// <summary>
+    /// 优惠金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal PayableAmount { get; init; }
+
+    /// <summary>
+    /// 实付金额。
+    /// </summary>
+    public decimal PaidAmount { get; init; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? FinishedAt { get; init; }
+
+    /// <summary>
+    /// 取消时间。
+    /// </summary>
+    public DateTime? CancelledAt { get; init; }
+
+    /// <summary>
+    /// 取消原因。
+    /// </summary>
+    public string? CancelReason { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; init; }
+
+    /// <summary>
+    /// 明细。
+    /// </summary>
+    public IReadOnlyList<OrderItemDto> Items { get; init; } = Array.Empty<OrderItemDto>();
+
+    /// <summary>
+    /// 状态流转。
+    /// </summary>
+    public IReadOnlyList<OrderStatusHistoryDto> StatusHistory { get; init; } = Array.Empty<OrderStatusHistoryDto>();
+
+    /// <summary>
+    /// 退款申请。
+    /// </summary>
+    public IReadOnlyList<RefundRequestDto> Refunds { get; init; } = Array.Empty<RefundRequestDto>();
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderItemDto.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderItemDto.cs
new file mode 100644
index 0000000..6baa720
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderItemDto.cs
@@ -0,0 +1,68 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Orders.Dto;
+
+/// <summary>
+/// 订单明细 DTO。
+/// </summary>
+public sealed class OrderItemDto
+{
+    /// <summary>
+    /// 明细 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 商品名称。
+    /// </summary>
+    public string ProductName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// SKU 描述。
+    /// </summary>
+    public string? SkuName { get; init; }
+
+    /// <summary>
+    /// 单位。
+    /// </summary>
+    public string? Unit { get; init; }
+
+    /// <summary>
+    /// 数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 单价。
+    /// </summary>
+    public decimal UnitPrice { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal DiscountAmount { get; init; }
+
+    /// <summary>
+    /// 小计。
+    /// </summary>
+    public decimal SubTotal { get; init; }
+
+    /// <summary>
+    /// 属性 JSON。
+    /// </summary>
+    public string? AttributesJson { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderStatusHistoryDto.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderStatusHistoryDto.cs
new file mode 100644
index 0000000..e62e45e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/OrderStatusHistoryDto.cs
@@ -0,0 +1,44 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Orders.Dto;
+
+/// <summary>
+/// 订单状态流转 DTO。
+/// </summary>
+public sealed class OrderStatusHistoryDto
+{
+    /// <summary>
+    /// 记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public OrderStatus Status { get; init; }
+
+    /// <summary>
+    /// 操作人。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long? OperatorId { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 时间。
+    /// </summary>
+    public DateTime OccurredAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Dto/RefundRequestDto.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/RefundRequestDto.cs
new file mode 100644
index 0000000..d389554
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Dto/RefundRequestDto.cs
@@ -0,0 +1,58 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Orders.Dto;
+
+/// <summary>
+/// 退款申请 DTO。
+/// </summary>
+public sealed class RefundRequestDto
+{
+    /// <summary>
+    /// 退款 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 退款单号。
+    /// </summary>
+    public string RefundNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 原因。
+    /// </summary>
+    public string Reason { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public RefundStatus Status { get; init; }
+
+    /// <summary>
+    /// 申请时间。
+    /// </summary>
+    public DateTime RequestedAt { get; init; }
+
+    /// <summary>
+    /// 处理时间。
+    /// </summary>
+    public DateTime? ProcessedAt { get; init; }
+
+    /// <summary>
+    /// 审核备注。
+    /// </summary>
+    public string? ReviewNotes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs
new file mode 100644
index 0000000..9b3cc0f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs
@@ -0,0 +1,156 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Orders.Commands;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Orders.Handlers;
+
+/// <summary>
+/// 创建订单命令处理器。
+/// </summary>
+public sealed class CreateOrderCommandHandler(
+    IOrderRepository orderRepository,
+    IIdGenerator idGenerator,
+    ILogger<CreateOrderCommandHandler> logger)
+    : IRequestHandler<CreateOrderCommand, OrderDto>
+{
+    /// <inheritdoc />
+    public async Task<OrderDto> Handle(CreateOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 构建订单
+        var order = new Order
+        {
+            Id = idGenerator.NextId(),
+            OrderNo = request.OrderNo.Trim(),
+            StoreId = request.StoreId,
+            Channel = request.Channel,
+            DeliveryType = request.DeliveryType,
+            Status = request.Status,
+            PaymentStatus = request.PaymentStatus,
+            CustomerName = request.CustomerName?.Trim(),
+            CustomerPhone = request.CustomerPhone?.Trim(),
+            TableNo = request.TableNo?.Trim(),
+            QueueNumber = request.QueueNumber?.Trim(),
+            ReservationId = request.ReservationId,
+            ItemsAmount = request.ItemsAmount,
+            DiscountAmount = request.DiscountAmount,
+            PayableAmount = request.PayableAmount,
+            PaidAmount = request.PaidAmount,
+            PaidAt = request.PaidAt,
+            FinishedAt = request.FinishedAt,
+            CancelledAt = request.CancelledAt,
+            CancelReason = request.CancelReason?.Trim(),
+            Remark = request.Remark?.Trim()
+        };
+
+        // 2. 构建明细
+        var items = request.Items.Select(item => new OrderItem
+        {
+            OrderId = order.Id,
+            ProductId = item.ProductId,
+            ProductName = item.ProductName.Trim(),
+            SkuName = item.SkuName?.Trim(),
+            Unit = item.Unit?.Trim(),
+            Quantity = item.Quantity,
+            UnitPrice = item.UnitPrice,
+            DiscountAmount = item.DiscountAmount,
+            SubTotal = item.SubTotal,
+            AttributesJson = item.AttributesJson?.Trim()
+        }).ToList();
+
+        // 3. 补充金额字段
+        if (items.Count > 0)
+        {
+            var itemsAmount = items.Sum(x => x.SubTotal);
+            order.ItemsAmount = itemsAmount;
+            if (order.PayableAmount <= 0)
+            {
+                order.PayableAmount = itemsAmount - order.DiscountAmount;
+            }
+        }
+
+        // 4. 持久化
+        await orderRepository.AddOrderAsync(order, cancellationToken);
+        if (items.Count > 0)
+        {
+            await orderRepository.AddItemsAsync(items, cancellationToken);
+        }
+
+        await orderRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 记录日志
+        logger.LogInformation("创建订单 {OrderNo} ({OrderId})", order.OrderNo, order.Id);
+
+        // 6. 返回 DTO
+        return MapToDto(order, items, [], []);
+    }
+
+    private static OrderDto MapToDto(
+        Order order,
+        IReadOnlyList<OrderItem> items,
+        IReadOnlyList<OrderStatusHistory> histories,
+        IReadOnlyList<RefundRequest> refunds) => new()
+        {
+            Id = order.Id,
+            TenantId = order.TenantId,
+            OrderNo = order.OrderNo,
+            StoreId = order.StoreId,
+            Channel = order.Channel,
+            DeliveryType = order.DeliveryType,
+            Status = order.Status,
+            PaymentStatus = order.PaymentStatus,
+            CustomerName = order.CustomerName,
+            CustomerPhone = order.CustomerPhone,
+            TableNo = order.TableNo,
+            QueueNumber = order.QueueNumber,
+            ReservationId = order.ReservationId,
+            ItemsAmount = order.ItemsAmount,
+            DiscountAmount = order.DiscountAmount,
+            PayableAmount = order.PayableAmount,
+            PaidAmount = order.PaidAmount,
+            PaidAt = order.PaidAt,
+            FinishedAt = order.FinishedAt,
+            CancelledAt = order.CancelledAt,
+            CancelReason = order.CancelReason,
+            Remark = order.Remark,
+            Items = items.Select(x => new OrderItemDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                ProductId = x.ProductId,
+                ProductName = x.ProductName,
+                SkuName = x.SkuName,
+                Unit = x.Unit,
+                Quantity = x.Quantity,
+                UnitPrice = x.UnitPrice,
+                DiscountAmount = x.DiscountAmount,
+                SubTotal = x.SubTotal,
+                AttributesJson = x.AttributesJson
+            }).ToList(),
+            StatusHistory = histories.Select(x => new OrderStatusHistoryDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                Status = x.Status,
+                OperatorId = x.OperatorId,
+                Notes = x.Notes,
+                OccurredAt = x.OccurredAt
+            }).ToList(),
+            Refunds = refunds.Select(x => new RefundRequestDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                RefundNo = x.RefundNo,
+                Amount = x.Amount,
+                Reason = x.Reason,
+                Status = x.Status,
+                RequestedAt = x.RequestedAt,
+                ProcessedAt = x.ProcessedAt,
+                ReviewNotes = x.ReviewNotes
+            }).ToList(),
+            CreatedAt = order.CreatedAt
+        };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/DeleteOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/DeleteOrderCommandHandler.cs
new file mode 100644
index 0000000..77e6e95
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/DeleteOrderCommandHandler.cs
@@ -0,0 +1,39 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Orders.Commands;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Orders.Handlers;
+
+/// <summary>
+/// 删除订单命令处理器。
+/// </summary>
+public sealed class DeleteOrderCommandHandler(
+    IOrderRepository orderRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteOrderCommandHandler> logger)
+    : IRequestHandler<DeleteOrderCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验存在性
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await orderRepository.FindByIdAsync(request.OrderId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        // 2. 删除
+        await orderRepository.DeleteOrderAsync(request.OrderId, tenantId, cancellationToken);
+        await orderRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 记录日志
+        logger.LogInformation("删除订单 {OrderId}", request.OrderId);
+
+        // 4. 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/GetOrderByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/GetOrderByIdQueryHandler.cs
new file mode 100644
index 0000000..3a45377
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/GetOrderByIdQueryHandler.cs
@@ -0,0 +1,105 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Application.App.Orders.Queries;
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Orders.Handlers;
+
+/// <summary>
+/// 订单详情查询处理器。
+/// </summary>
+public sealed class GetOrderByIdQueryHandler(
+    IOrderRepository orderRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetOrderByIdQuery, OrderDto?>
+{
+    /// <inheritdoc />
+    public async Task<OrderDto?> Handle(GetOrderByIdQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 查询订单主体
+        var order = await orderRepository.FindByIdAsync(request.OrderId, tenantId, cancellationToken);
+        if (order == null)
+        {
+            return null;
+        }
+
+        // 3. 查询关联明细
+        var items = await orderRepository.GetItemsAsync(order.Id, tenantId, cancellationToken);
+        var histories = await orderRepository.GetStatusHistoryAsync(order.Id, tenantId, cancellationToken);
+        var refunds = await orderRepository.GetRefundsAsync(order.Id, tenantId, cancellationToken);
+
+        // 4. 映射并返回
+        return MapToDto(order, items, histories, refunds);
+    }
+
+    private static OrderDto MapToDto(
+        Order order,
+        IReadOnlyList<OrderItem> items,
+        IReadOnlyList<OrderStatusHistory> histories,
+        IReadOnlyList<RefundRequest> refunds) => new()
+        {
+            Id = order.Id,
+            TenantId = order.TenantId,
+            OrderNo = order.OrderNo,
+            StoreId = order.StoreId,
+            Channel = order.Channel,
+            DeliveryType = order.DeliveryType,
+            Status = order.Status,
+            PaymentStatus = order.PaymentStatus,
+            CustomerName = order.CustomerName,
+            CustomerPhone = order.CustomerPhone,
+            TableNo = order.TableNo,
+            QueueNumber = order.QueueNumber,
+            ReservationId = order.ReservationId,
+            ItemsAmount = order.ItemsAmount,
+            DiscountAmount = order.DiscountAmount,
+            PayableAmount = order.PayableAmount,
+            PaidAmount = order.PaidAmount,
+            PaidAt = order.PaidAt,
+            FinishedAt = order.FinishedAt,
+            CancelledAt = order.CancelledAt,
+            CancelReason = order.CancelReason,
+            Remark = order.Remark,
+            Items = items.Select(x => new OrderItemDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                ProductId = x.ProductId,
+                ProductName = x.ProductName,
+                SkuName = x.SkuName,
+                Unit = x.Unit,
+                Quantity = x.Quantity,
+                UnitPrice = x.UnitPrice,
+                DiscountAmount = x.DiscountAmount,
+                SubTotal = x.SubTotal,
+                AttributesJson = x.AttributesJson
+            }).ToList(),
+            StatusHistory = histories.Select(x => new OrderStatusHistoryDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                Status = x.Status,
+                OperatorId = x.OperatorId,
+                Notes = x.Notes,
+                OccurredAt = x.OccurredAt
+            }).ToList(),
+            Refunds = refunds.Select(x => new RefundRequestDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                RefundNo = x.RefundNo,
+                Amount = x.Amount,
+                Reason = x.Reason,
+                Status = x.Status,
+                RequestedAt = x.RequestedAt,
+                ProcessedAt = x.ProcessedAt,
+                ReviewNotes = x.ReviewNotes
+            }).ToList(),
+            CreatedAt = order.CreatedAt
+        };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/SearchOrdersQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/SearchOrdersQueryHandler.cs
new file mode 100644
index 0000000..90844c1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/SearchOrdersQueryHandler.cs
@@ -0,0 +1,92 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Application.App.Orders.Queries;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Orders.Handlers;
+
+/// <summary>
+/// 订单列表查询处理器。
+/// </summary>
+public sealed class SearchOrdersQueryHandler(
+    IOrderRepository orderRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchOrdersQuery, PagedResult<OrderDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<OrderDto>> Handle(SearchOrdersQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户并查询订单
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var orders = await orderRepository.SearchAsync(tenantId, request.Status, request.PaymentStatus, cancellationToken);
+
+        // 2. 可选过滤：门店
+        if (request.StoreId.HasValue)
+        {
+            orders = orders.Where(x => x.StoreId == request.StoreId.Value).ToList();
+        }
+
+        // 3. 可选过滤：订单号模糊
+        if (!string.IsNullOrWhiteSpace(request.OrderNo))
+        {
+            var orderNo = request.OrderNo.Trim();
+            orders = orders
+                .Where(x => x.OrderNo.Contains(orderNo, StringComparison.OrdinalIgnoreCase))
+                .ToList();
+        }
+
+        // 4. 排序与分页
+        var sorted = ApplySorting(orders, request.SortBy, request.SortDescending);
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        // 5. 映射 DTO
+        var items = paged.Select(order => new OrderDto
+        {
+            Id = order.Id,
+            TenantId = order.TenantId,
+            OrderNo = order.OrderNo,
+            StoreId = order.StoreId,
+            Channel = order.Channel,
+            DeliveryType = order.DeliveryType,
+            Status = order.Status,
+            PaymentStatus = order.PaymentStatus,
+            CustomerName = order.CustomerName,
+            CustomerPhone = order.CustomerPhone,
+            TableNo = order.TableNo,
+            QueueNumber = order.QueueNumber,
+            ReservationId = order.ReservationId,
+            ItemsAmount = order.ItemsAmount,
+            DiscountAmount = order.DiscountAmount,
+            PayableAmount = order.PayableAmount,
+            PaidAmount = order.PaidAmount,
+            PaidAt = order.PaidAt,
+            FinishedAt = order.FinishedAt,
+            CancelledAt = order.CancelledAt,
+            CancelReason = order.CancelReason,
+            Remark = order.Remark,
+            CreatedAt = order.CreatedAt
+        }).ToList();
+
+        // 6. 返回分页结果
+        return new PagedResult<OrderDto>(items, request.Page, request.PageSize, orders.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.Orders.Entities.Order> ApplySorting(
+        IReadOnlyCollection<Domain.Orders.Entities.Order> orders,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "paidat" => sortDescending ? orders.OrderByDescending(x => x.PaidAt) : orders.OrderBy(x => x.PaidAt),
+            "status" => sortDescending ? orders.OrderByDescending(x => x.Status) : orders.OrderBy(x => x.Status),
+            "payableamount" => sortDescending ? orders.OrderByDescending(x => x.PayableAmount) : orders.OrderBy(x => x.PayableAmount),
+            _ => sortDescending ? orders.OrderByDescending(x => x.CreatedAt) : orders.OrderBy(x => x.CreatedAt)
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/UpdateOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/UpdateOrderCommandHandler.cs
new file mode 100644
index 0000000..53f6c88
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/UpdateOrderCommandHandler.cs
@@ -0,0 +1,133 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Orders.Commands;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Orders.Handlers;
+
+/// <summary>
+/// 更新订单命令处理器。
+/// </summary>
+public sealed class UpdateOrderCommandHandler(
+    IOrderRepository orderRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateOrderCommandHandler> logger)
+    : IRequestHandler<UpdateOrderCommand, OrderDto?>
+{
+    /// <inheritdoc />
+    public async Task<OrderDto?> Handle(UpdateOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取订单
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await orderRepository.FindByIdAsync(request.OrderId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return null;
+        }
+
+        // 2. 更新字段
+        existing.OrderNo = request.OrderNo.Trim();
+        existing.StoreId = request.StoreId;
+        existing.Channel = request.Channel;
+        existing.DeliveryType = request.DeliveryType;
+        existing.Status = request.Status;
+        existing.PaymentStatus = request.PaymentStatus;
+        existing.CustomerName = request.CustomerName?.Trim();
+        existing.CustomerPhone = request.CustomerPhone?.Trim();
+        existing.TableNo = request.TableNo?.Trim();
+        existing.QueueNumber = request.QueueNumber?.Trim();
+        existing.ReservationId = request.ReservationId;
+        existing.ItemsAmount = request.ItemsAmount;
+        existing.DiscountAmount = request.DiscountAmount;
+        existing.PayableAmount = request.PayableAmount;
+        existing.PaidAmount = request.PaidAmount;
+        existing.PaidAt = request.PaidAt;
+        existing.FinishedAt = request.FinishedAt;
+        existing.CancelledAt = request.CancelledAt;
+        existing.CancelReason = request.CancelReason?.Trim();
+        existing.Remark = request.Remark?.Trim();
+
+        // 3. 持久化
+        await orderRepository.UpdateOrderAsync(existing, cancellationToken);
+        await orderRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 记录更新日志
+        logger.LogInformation("更新订单 {OrderNo} ({OrderId})", existing.OrderNo, existing.Id);
+
+        // 5. 读取关联数据并返回
+        var items = await orderRepository.GetItemsAsync(existing.Id, tenantId, cancellationToken);
+        var histories = await orderRepository.GetStatusHistoryAsync(existing.Id, tenantId, cancellationToken);
+        var refunds = await orderRepository.GetRefundsAsync(existing.Id, tenantId, cancellationToken);
+
+        return MapToDto(existing, items, histories, refunds);
+    }
+
+    private static OrderDto MapToDto(
+        Order order,
+        IReadOnlyList<OrderItem> items,
+        IReadOnlyList<OrderStatusHistory> histories,
+        IReadOnlyList<RefundRequest> refunds) => new()
+        {
+            Id = order.Id,
+            TenantId = order.TenantId,
+            OrderNo = order.OrderNo,
+            StoreId = order.StoreId,
+            Channel = order.Channel,
+            DeliveryType = order.DeliveryType,
+            Status = order.Status,
+            PaymentStatus = order.PaymentStatus,
+            CustomerName = order.CustomerName,
+            CustomerPhone = order.CustomerPhone,
+            TableNo = order.TableNo,
+            QueueNumber = order.QueueNumber,
+            ReservationId = order.ReservationId,
+            ItemsAmount = order.ItemsAmount,
+            DiscountAmount = order.DiscountAmount,
+            PayableAmount = order.PayableAmount,
+            PaidAmount = order.PaidAmount,
+            PaidAt = order.PaidAt,
+            FinishedAt = order.FinishedAt,
+            CancelledAt = order.CancelledAt,
+            CancelReason = order.CancelReason,
+            Remark = order.Remark,
+            Items = items.Select(x => new OrderItemDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                ProductId = x.ProductId,
+                ProductName = x.ProductName,
+                SkuName = x.SkuName,
+                Unit = x.Unit,
+                Quantity = x.Quantity,
+                UnitPrice = x.UnitPrice,
+                DiscountAmount = x.DiscountAmount,
+                SubTotal = x.SubTotal,
+                AttributesJson = x.AttributesJson
+            }).ToList(),
+            StatusHistory = histories.Select(x => new OrderStatusHistoryDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                Status = x.Status,
+                OperatorId = x.OperatorId,
+                Notes = x.Notes,
+                OccurredAt = x.OccurredAt
+            }).ToList(),
+            Refunds = refunds.Select(x => new RefundRequestDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                RefundNo = x.RefundNo,
+                Amount = x.Amount,
+                Reason = x.Reason,
+                Status = x.Status,
+                RequestedAt = x.RequestedAt,
+                ProcessedAt = x.ProcessedAt,
+                ReviewNotes = x.ReviewNotes
+            }).ToList(),
+            CreatedAt = order.CreatedAt
+        };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Queries/GetOrderByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Queries/GetOrderByIdQuery.cs
new file mode 100644
index 0000000..1446c27
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Queries/GetOrderByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Orders.Dto;
+
+namespace TakeoutSaaS.Application.App.Orders.Queries;
+
+/// <summary>
+/// 获取订单详情查询。
+/// </summary>
+public sealed class GetOrderByIdQuery : IRequest<OrderDto?>
+{
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Queries/SearchOrdersQuery.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Queries/SearchOrdersQuery.cs
new file mode 100644
index 0000000..74c6753
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Queries/SearchOrdersQuery.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Orders.Queries;
+
+/// <summary>
+/// 订单列表查询。
+/// </summary>
+public sealed class SearchOrdersQuery : IRequest<PagedResult<OrderDto>>
+{
+    /// <summary>
+    /// 门店 ID（可选）。
+    /// </summary>
+    public long? StoreId { get; init; }
+
+    /// <summary>
+    /// 订单状态。
+    /// </summary>
+    public OrderStatus? Status { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus? PaymentStatus { get; init; }
+
+    /// <summary>
+    /// 订单号（模糊或精确，由调用方控制）。
+    /// </summary>
+    public string? OrderNo { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（createdAt/paidAt/status/payableAmount）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Validators/CreateOrderCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Validators/CreateOrderCommandValidator.cs
new file mode 100644
index 0000000..60f3d0c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Validators/CreateOrderCommandValidator.cs
@@ -0,0 +1,79 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Orders.Commands;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Orders.Validators;
+
+/// <summary>
+/// 创建订单命令验证器。
+/// </summary>
+public sealed class CreateOrderCommandValidator : AbstractValidator<CreateOrderCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateOrderCommandValidator()
+    {
+        RuleFor(x => x.OrderNo).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.CustomerPhone).MaximumLength(32);
+        RuleFor(x => x.CustomerName).MaximumLength(64);
+        RuleFor(x => x.TableNo).MaximumLength(32);
+        RuleFor(x => x.QueueNumber).MaximumLength(32);
+        RuleFor(x => x.CancelReason).MaximumLength(256);
+        RuleFor(x => x.Remark).MaximumLength(512);
+        RuleFor(x => x.ItemsAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.DiscountAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.PayableAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.PaidAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.PayableAmount)
+            .Must((cmd, payable) => payable == cmd.ItemsAmount - cmd.DiscountAmount)
+            .WithMessage("应付金额必须等于商品金额减去优惠金额");
+        RuleFor(x => x.PaidAmount)
+            .LessThanOrEqualTo(x => x.PayableAmount)
+            .WithMessage("实付金额不得超过应付金额");
+
+        RuleFor(x => x.PaymentStatus)
+            .Must(status => status is PaymentStatus.Unpaid or PaymentStatus.Paying or PaymentStatus.Paid or PaymentStatus.Failed or PaymentStatus.Refunded)
+            .WithMessage("支付状态不合法");
+        When(x => x.PaymentStatus == PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).NotNull().WithMessage("支付成功必须包含支付时间");
+            RuleFor(x => x.PaidAmount).GreaterThan(0).WithMessage("支付成功时实付金额必须大于 0");
+        });
+        When(x => x.PaymentStatus != PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).Must(paidAt => paidAt == null).WithMessage("非支付成功状态不应包含支付时间");
+        });
+        When(x => x.PaymentStatus == PaymentStatus.Refunded, () =>
+        {
+            RuleFor(x => x.PaidAmount).GreaterThanOrEqualTo(0).WithMessage("退款状态下实付金额需合法");
+        });
+        When(x => x.Status == OrderStatus.Cancelled, () =>
+        {
+            RuleFor(x => x.CancelReason).NotEmpty().WithMessage("取消订单必须提供取消原因");
+        });
+        When(x => x.Status != OrderStatus.Cancelled, () =>
+        {
+            RuleFor(x => x.CancelReason).Must(reason => string.IsNullOrWhiteSpace(reason)).WithMessage("非取消状态不应包含取消原因");
+        });
+
+        RuleFor(x => x.Items)
+            .NotEmpty()
+            .WithMessage("订单明细不能为空");
+
+        RuleForEach(x => x.Items).ChildRules(item =>
+        {
+            item.RuleFor(i => i.ProductId).GreaterThan(0);
+            item.RuleFor(i => i.ProductName).NotEmpty().MaximumLength(128);
+            item.RuleFor(i => i.SkuName).MaximumLength(128);
+            item.RuleFor(i => i.Unit).MaximumLength(16);
+            item.RuleFor(i => i.Quantity).GreaterThan(0);
+            item.RuleFor(i => i.UnitPrice).GreaterThanOrEqualTo(0);
+            item.RuleFor(i => i.DiscountAmount).GreaterThanOrEqualTo(0);
+            item.RuleFor(i => i.SubTotal).GreaterThanOrEqualTo(0);
+            item.RuleFor(i => i.AttributesJson).MaximumLength(4000);
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Validators/SearchOrdersQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Validators/SearchOrdersQueryValidator.cs
new file mode 100644
index 0000000..b5dac41
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Validators/SearchOrdersQueryValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Orders.Queries;
+
+namespace TakeoutSaaS.Application.App.Orders.Validators;
+
+/// <summary>
+/// 订单列表查询验证器。
+/// </summary>
+public sealed class SearchOrdersQueryValidator : AbstractValidator<SearchOrdersQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchOrdersQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+        RuleFor(x => x.OrderNo).MaximumLength(32);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Validators/UpdateOrderCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Validators/UpdateOrderCommandValidator.cs
new file mode 100644
index 0000000..745f033
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Validators/UpdateOrderCommandValidator.cs
@@ -0,0 +1,63 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Orders.Commands;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Orders.Validators;
+
+/// <summary>
+/// 更新订单命令验证器。
+/// </summary>
+public sealed class UpdateOrderCommandValidator : AbstractValidator<UpdateOrderCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateOrderCommandValidator()
+    {
+        RuleFor(x => x.OrderId).GreaterThan(0);
+        RuleFor(x => x.OrderNo).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.CustomerPhone).MaximumLength(32);
+        RuleFor(x => x.CustomerName).MaximumLength(64);
+        RuleFor(x => x.TableNo).MaximumLength(32);
+        RuleFor(x => x.QueueNumber).MaximumLength(32);
+        RuleFor(x => x.CancelReason).MaximumLength(256);
+        RuleFor(x => x.Remark).MaximumLength(512);
+        RuleFor(x => x.ItemsAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.DiscountAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.PayableAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.PaidAmount).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.PayableAmount)
+            .Must((cmd, payable) => payable == cmd.ItemsAmount - cmd.DiscountAmount)
+            .WithMessage("应付金额必须等于商品金额减去优惠金额");
+        RuleFor(x => x.PaidAmount)
+            .LessThanOrEqualTo(x => x.PayableAmount)
+            .WithMessage("实付金额不得超过应付金额");
+
+        RuleFor(x => x.PaymentStatus)
+            .Must(status => status is PaymentStatus.Unpaid or PaymentStatus.Paying or PaymentStatus.Paid or PaymentStatus.Failed or PaymentStatus.Refunded)
+            .WithMessage("支付状态不合法");
+        When(x => x.PaymentStatus == PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).NotNull().WithMessage("支付成功必须包含支付时间");
+            RuleFor(x => x.PaidAmount).GreaterThan(0).WithMessage("支付成功时实付金额必须大于 0");
+        });
+        When(x => x.PaymentStatus != PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).Must(paidAt => paidAt == null).WithMessage("非支付成功状态不应包含支付时间");
+        });
+        When(x => x.PaymentStatus == PaymentStatus.Refunded, () =>
+        {
+            RuleFor(x => x.PaidAmount).GreaterThanOrEqualTo(0).WithMessage("退款状态下实付金额需合法");
+        });
+        When(x => x.Status == OrderStatus.Cancelled, () =>
+        {
+            RuleFor(x => x.CancelReason).NotEmpty().WithMessage("取消订单必须提供取消原因");
+        });
+        When(x => x.Status != OrderStatus.Cancelled, () =>
+        {
+            RuleFor(x => x.CancelReason).Must(reason => string.IsNullOrWhiteSpace(reason)).WithMessage("非取消状态不应包含取消原因");
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Commands/CreatePaymentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Commands/CreatePaymentCommand.cs
new file mode 100644
index 0000000..2d1923a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Commands/CreatePaymentCommand.cs
@@ -0,0 +1,56 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Payments.Commands;
+
+/// <summary>
+/// 创建支付记录命令。
+/// </summary>
+public sealed class CreatePaymentCommand : IRequest<PaymentDto>
+{
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; set; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public PaymentMethod Method { get; set; } = PaymentMethod.Unknown;
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus Status { get; set; } = PaymentStatus.Unpaid;
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; set; }
+
+    /// <summary>
+    /// 系统交易号。
+    /// </summary>
+    public string? TradeNo { get; set; }
+
+    /// <summary>
+    /// 渠道单号。
+    /// </summary>
+    public string? ChannelTransactionId { get; set; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; set; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; set; }
+
+    /// <summary>
+    /// 原始回调。
+    /// </summary>
+    public string? Payload { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Commands/DeletePaymentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Commands/DeletePaymentCommand.cs
new file mode 100644
index 0000000..5c42b47
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Commands/DeletePaymentCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Payments.Commands;
+
+/// <summary>
+/// 删除支付记录命令。
+/// </summary>
+public sealed class DeletePaymentCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 支付记录 ID。
+    /// </summary>
+    public long PaymentId { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Commands/UpdatePaymentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Commands/UpdatePaymentCommand.cs
new file mode 100644
index 0000000..1889a10
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Commands/UpdatePaymentCommand.cs
@@ -0,0 +1,61 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Payments.Commands;
+
+/// <summary>
+/// 更新支付记录命令。
+/// </summary>
+public sealed record UpdatePaymentCommand : IRequest<PaymentDto?>
+{
+    /// <summary>
+    /// 支付记录 ID。
+    /// </summary>
+    public long PaymentId { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public PaymentMethod Method { get; init; } = PaymentMethod.Unknown;
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus Status { get; init; } = PaymentStatus.Unpaid;
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 系统交易号。
+    /// </summary>
+    public string? TradeNo { get; init; }
+
+    /// <summary>
+    /// 渠道单号。
+    /// </summary>
+    public string? ChannelTransactionId { get; init; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; init; }
+
+    /// <summary>
+    /// 原始回调。
+    /// </summary>
+    public string? Payload { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentDto.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentDto.cs
new file mode 100644
index 0000000..3852df0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentDto.cs
@@ -0,0 +1,79 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Payments.Dto;
+
+/// <summary>
+/// 支付记录 DTO。
+/// </summary>
+public sealed class PaymentDto
+{
+    /// <summary>
+    /// 支付记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 支付方式。
+    /// </summary>
+    public PaymentMethod Method { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus Status { get; init; }
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 系统交易号。
+    /// </summary>
+    public string? TradeNo { get; init; }
+
+    /// <summary>
+    /// 渠道单号。
+    /// </summary>
+    public string? ChannelTransactionId { get; init; }
+
+    /// <summary>
+    /// 支付时间。
+    /// </summary>
+    public DateTime? PaidAt { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; init; }
+
+    /// <summary>
+    /// 原始回调。
+    /// </summary>
+    public string? Payload { get; init; }
+
+    /// <summary>
+    /// 退款记录。
+    /// </summary>
+    public IReadOnlyList<PaymentRefundDto> Refunds { get; init; } = Array.Empty<PaymentRefundDto>();
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentRefundDto.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentRefundDto.cs
new file mode 100644
index 0000000..5c9cfa8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Dto/PaymentRefundDto.cs
@@ -0,0 +1,49 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Payments.Dto;
+
+/// <summary>
+/// 退款记录 DTO。
+/// </summary>
+public sealed class PaymentRefundDto
+{
+    /// <summary>
+    /// 退款记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 支付记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long PaymentRecordId { get; init; }
+
+    /// <summary>
+    /// 订单 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 渠道退款号。
+    /// </summary>
+    public string? ChannelRefundId { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public PaymentRefundStatus Status { get; init; }
+
+    /// <summary>
+    /// 原始回调。
+    /// </summary>
+    public string? Payload { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/CreatePaymentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/CreatePaymentCommandHandler.cs
new file mode 100644
index 0000000..793a2a9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/CreatePaymentCommandHandler.cs
@@ -0,0 +1,67 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Payments.Commands;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Domain.Payments.Entities;
+using TakeoutSaaS.Domain.Payments.Repositories;
+
+namespace TakeoutSaaS.Application.App.Payments.Handlers;
+
+/// <summary>
+/// 创建支付记录命令处理器。
+/// </summary>
+public sealed class CreatePaymentCommandHandler(IPaymentRepository paymentRepository, ILogger<CreatePaymentCommandHandler> logger)
+    : IRequestHandler<CreatePaymentCommand, PaymentDto>
+{
+    private readonly IPaymentRepository _paymentRepository = paymentRepository;
+    private readonly ILogger<CreatePaymentCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<PaymentDto> Handle(CreatePaymentCommand request, CancellationToken cancellationToken)
+    {
+        var payment = new PaymentRecord
+        {
+            OrderId = request.OrderId,
+            Method = request.Method,
+            Status = request.Status,
+            Amount = request.Amount,
+            TradeNo = request.TradeNo?.Trim(),
+            ChannelTransactionId = request.ChannelTransactionId?.Trim(),
+            PaidAt = request.PaidAt,
+            Remark = request.Remark?.Trim(),
+            Payload = request.Payload
+        };
+
+        await _paymentRepository.AddPaymentAsync(payment, cancellationToken);
+        await _paymentRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("创建支付记录 {PaymentId} 对应订单 {OrderId}", payment.Id, payment.OrderId);
+
+        return MapToDto(payment, []);
+    }
+
+    private static PaymentDto MapToDto(PaymentRecord payment, IReadOnlyList<PaymentRefundRecord> refunds) => new()
+    {
+        Id = payment.Id,
+        TenantId = payment.TenantId,
+        OrderId = payment.OrderId,
+        Method = payment.Method,
+        Status = payment.Status,
+        Amount = payment.Amount,
+        TradeNo = payment.TradeNo,
+        ChannelTransactionId = payment.ChannelTransactionId,
+        PaidAt = payment.PaidAt,
+        Remark = payment.Remark,
+        Payload = payment.Payload,
+        CreatedAt = payment.CreatedAt,
+        Refunds = refunds.Select(x => new PaymentRefundDto
+        {
+            Id = x.Id,
+            PaymentRecordId = x.PaymentRecordId,
+            OrderId = x.OrderId,
+            Amount = x.Amount,
+            ChannelRefundId = x.ChannelRefundId,
+            Status = x.Status,
+            Payload = x.Payload
+        }).ToList()
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/DeletePaymentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/DeletePaymentCommandHandler.cs
new file mode 100644
index 0000000..07b2ca9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/DeletePaymentCommandHandler.cs
@@ -0,0 +1,38 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Payments.Commands;
+using TakeoutSaaS.Domain.Payments.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Payments.Handlers;
+
+/// <summary>
+/// 删除支付记录命令处理器。
+/// </summary>
+public sealed class DeletePaymentCommandHandler(
+    IPaymentRepository paymentRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeletePaymentCommandHandler> logger)
+    : IRequestHandler<DeletePaymentCommand, bool>
+{
+    private readonly IPaymentRepository _paymentRepository = paymentRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<DeletePaymentCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeletePaymentCommand request, CancellationToken cancellationToken)
+    {
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _paymentRepository.FindByIdAsync(request.PaymentId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        await _paymentRepository.DeletePaymentAsync(request.PaymentId, tenantId, cancellationToken);
+        await _paymentRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("删除支付记录 {PaymentId}", request.PaymentId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/GetPaymentByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/GetPaymentByIdQueryHandler.cs
new file mode 100644
index 0000000..8e5db7a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/GetPaymentByIdQueryHandler.cs
@@ -0,0 +1,60 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Application.App.Payments.Queries;
+using TakeoutSaaS.Domain.Payments.Entities;
+using TakeoutSaaS.Domain.Payments.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Payments.Handlers;
+
+/// <summary>
+/// 支付记录详情查询处理器。
+/// </summary>
+public sealed class GetPaymentByIdQueryHandler(
+    IPaymentRepository paymentRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetPaymentByIdQuery, PaymentDto?>
+{
+    private readonly IPaymentRepository _paymentRepository = paymentRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<PaymentDto?> Handle(GetPaymentByIdQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var payment = await _paymentRepository.FindByIdAsync(request.PaymentId, tenantId, cancellationToken);
+        if (payment == null)
+        {
+            return null;
+        }
+
+        var refunds = await _paymentRepository.GetRefundsAsync(payment.Id, tenantId, cancellationToken);
+        return MapToDto(payment, refunds);
+    }
+
+    private static PaymentDto MapToDto(PaymentRecord payment, IReadOnlyList<PaymentRefundRecord> refunds) => new()
+    {
+        Id = payment.Id,
+        TenantId = payment.TenantId,
+        OrderId = payment.OrderId,
+        Method = payment.Method,
+        Status = payment.Status,
+        Amount = payment.Amount,
+        TradeNo = payment.TradeNo,
+        ChannelTransactionId = payment.ChannelTransactionId,
+        PaidAt = payment.PaidAt,
+        Remark = payment.Remark,
+        Payload = payment.Payload,
+        CreatedAt = payment.CreatedAt,
+        Refunds = refunds.Select(x => new PaymentRefundDto
+        {
+            Id = x.Id,
+            PaymentRecordId = x.PaymentRecordId,
+            OrderId = x.OrderId,
+            Amount = x.Amount,
+            ChannelRefundId = x.ChannelRefundId,
+            Status = x.Status,
+            Payload = x.Payload
+        }).ToList()
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs
new file mode 100644
index 0000000..a265022
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Application.App.Payments.Queries;
+using TakeoutSaaS.Domain.Payments.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Payments.Handlers;
+
+/// <summary>
+/// 支付记录列表查询处理器。
+/// </summary>
+public sealed class SearchPaymentsQueryHandler(
+    IPaymentRepository paymentRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchPaymentsQuery, PagedResult<PaymentDto>>
+{
+    private readonly IPaymentRepository _paymentRepository = paymentRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<PagedResult<PaymentDto>> Handle(SearchPaymentsQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var payments = await _paymentRepository.SearchAsync(tenantId, request.Status, cancellationToken);
+
+        if (request.OrderId.HasValue)
+        {
+            payments = payments.Where(x => x.OrderId == request.OrderId.Value).ToList();
+        }
+
+        var sorted = ApplySorting(payments, request.SortBy, request.SortDescending);
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        var items = paged.Select(payment => new PaymentDto
+        {
+            Id = payment.Id,
+            TenantId = payment.TenantId,
+            OrderId = payment.OrderId,
+            Method = payment.Method,
+            Status = payment.Status,
+            Amount = payment.Amount,
+            TradeNo = payment.TradeNo,
+            ChannelTransactionId = payment.ChannelTransactionId,
+            PaidAt = payment.PaidAt,
+            Remark = payment.Remark,
+            Payload = payment.Payload,
+            CreatedAt = payment.CreatedAt
+        }).ToList();
+
+        return new PagedResult<PaymentDto>(items, request.Page, request.PageSize, payments.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.Payments.Entities.PaymentRecord> ApplySorting(
+        IReadOnlyCollection<Domain.Payments.Entities.PaymentRecord> payments,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "paidat" => sortDescending ? payments.OrderByDescending(x => x.PaidAt) : payments.OrderBy(x => x.PaidAt),
+            "status" => sortDescending ? payments.OrderByDescending(x => x.Status) : payments.OrderBy(x => x.Status),
+            "amount" => sortDescending ? payments.OrderByDescending(x => x.Amount) : payments.OrderBy(x => x.Amount),
+            _ => sortDescending ? payments.OrderByDescending(x => x.CreatedAt) : payments.OrderBy(x => x.CreatedAt)
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/UpdatePaymentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/UpdatePaymentCommandHandler.cs
new file mode 100644
index 0000000..e0e9fec
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/UpdatePaymentCommandHandler.cs
@@ -0,0 +1,77 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Payments.Commands;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Domain.Payments.Entities;
+using TakeoutSaaS.Domain.Payments.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Payments.Handlers;
+
+/// <summary>
+/// 更新支付记录命令处理器。
+/// </summary>
+public sealed class UpdatePaymentCommandHandler(
+    IPaymentRepository paymentRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdatePaymentCommandHandler> logger)
+    : IRequestHandler<UpdatePaymentCommand, PaymentDto?>
+{
+    private readonly IPaymentRepository _paymentRepository = paymentRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<UpdatePaymentCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<PaymentDto?> Handle(UpdatePaymentCommand request, CancellationToken cancellationToken)
+    {
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _paymentRepository.FindByIdAsync(request.PaymentId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return null;
+        }
+
+        existing.OrderId = request.OrderId;
+        existing.Method = request.Method;
+        existing.Status = request.Status;
+        existing.Amount = request.Amount;
+        existing.TradeNo = request.TradeNo?.Trim();
+        existing.ChannelTransactionId = request.ChannelTransactionId?.Trim();
+        existing.PaidAt = request.PaidAt;
+        existing.Remark = request.Remark?.Trim();
+        existing.Payload = request.Payload;
+
+        await _paymentRepository.UpdatePaymentAsync(existing, cancellationToken);
+        await _paymentRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("更新支付记录 {PaymentId}", existing.Id);
+
+        var refunds = await _paymentRepository.GetRefundsAsync(existing.Id, tenantId, cancellationToken);
+        return MapToDto(existing, refunds);
+    }
+
+    private static PaymentDto MapToDto(PaymentRecord payment, IReadOnlyList<PaymentRefundRecord> refunds) => new()
+    {
+        Id = payment.Id,
+        TenantId = payment.TenantId,
+        OrderId = payment.OrderId,
+        Method = payment.Method,
+        Status = payment.Status,
+        Amount = payment.Amount,
+        TradeNo = payment.TradeNo,
+        ChannelTransactionId = payment.ChannelTransactionId,
+        PaidAt = payment.PaidAt,
+        Remark = payment.Remark,
+        Payload = payment.Payload,
+        CreatedAt = payment.CreatedAt,
+        Refunds = refunds.Select(x => new PaymentRefundDto
+        {
+            Id = x.Id,
+            PaymentRecordId = x.PaymentRecordId,
+            OrderId = x.OrderId,
+            Amount = x.Amount,
+            ChannelRefundId = x.ChannelRefundId,
+            Status = x.Status,
+            Payload = x.Payload
+        }).ToList()
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Queries/GetPaymentByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Queries/GetPaymentByIdQuery.cs
new file mode 100644
index 0000000..3ca6c8c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Queries/GetPaymentByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Payments.Dto;
+
+namespace TakeoutSaaS.Application.App.Payments.Queries;
+
+/// <summary>
+/// 获取支付记录详情。
+/// </summary>
+public sealed class GetPaymentByIdQuery : IRequest<PaymentDto?>
+{
+    /// <summary>
+    /// 支付记录 ID。
+    /// </summary>
+    public long PaymentId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Queries/SearchPaymentsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Queries/SearchPaymentsQuery.cs
new file mode 100644
index 0000000..2fbf13f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Queries/SearchPaymentsQuery.cs
@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Payments.Dto;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Payments.Queries;
+
+/// <summary>
+/// 支付记录列表查询。
+/// </summary>
+public sealed class SearchPaymentsQuery : IRequest<PagedResult<PaymentDto>>
+{
+    /// <summary>
+    /// 订单 ID（可选）。
+    /// </summary>
+    public long? OrderId { get; init; }
+
+    /// <summary>
+    /// 支付状态。
+    /// </summary>
+    public PaymentStatus? Status { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（createdAt/paidAt/status/amount）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Validators/CreatePaymentCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Validators/CreatePaymentCommandValidator.cs
new file mode 100644
index 0000000..5041e1d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Validators/CreatePaymentCommandValidator.cs
@@ -0,0 +1,45 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Payments.Commands;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Payments.Validators;
+
+/// <summary>
+/// 创建支付记录命令验证器。
+/// </summary>
+public sealed class CreatePaymentCommandValidator : AbstractValidator<CreatePaymentCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreatePaymentCommandValidator()
+    {
+        RuleFor(x => x.OrderId).GreaterThan(0);
+        RuleFor(x => x.Amount).GreaterThan(0);
+        RuleFor(x => x.Method)
+            .Must(method => method != PaymentMethod.Unknown)
+            .WithMessage("支付方式不可为空");
+        RuleFor(x => x.TradeNo).MaximumLength(64);
+        RuleFor(x => x.ChannelTransactionId).MaximumLength(64);
+        RuleFor(x => x.Remark).MaximumLength(256);
+
+        RuleFor(x => x.Status)
+            .Must(status => status is PaymentStatus.Unpaid or PaymentStatus.Paying or PaymentStatus.Paid or PaymentStatus.Failed or PaymentStatus.Refunded)
+            .WithMessage("支付状态不合法");
+        When(x => x.Status == PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).NotNull().WithMessage("支付成功必须包含支付时间");
+        });
+        When(x => x.Status != PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).Must(paidAt => paidAt == null).WithMessage("非支付成功状态不应包含支付时间");
+        });
+
+        When(x => x.Method is PaymentMethod.Cash or PaymentMethod.Card or PaymentMethod.Balance, () =>
+        {
+            RuleFor(x => x.Status)
+                .Must(status => status is not PaymentStatus.Paying)
+                .WithMessage("线下/余额支付不允许处于 Paying 状态");
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Validators/SearchPaymentsQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Validators/SearchPaymentsQueryValidator.cs
new file mode 100644
index 0000000..fe7580e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Validators/SearchPaymentsQueryValidator.cs
@@ -0,0 +1,20 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Payments.Queries;
+
+namespace TakeoutSaaS.Application.App.Payments.Validators;
+
+/// <summary>
+/// 支付记录查询验证器。
+/// </summary>
+public sealed class SearchPaymentsQueryValidator : AbstractValidator<SearchPaymentsQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchPaymentsQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Validators/UpdatePaymentCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Validators/UpdatePaymentCommandValidator.cs
new file mode 100644
index 0000000..65dfd1c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Validators/UpdatePaymentCommandValidator.cs
@@ -0,0 +1,46 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Payments.Commands;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Application.App.Payments.Validators;
+
+/// <summary>
+/// 更新支付记录命令验证器。
+/// </summary>
+public sealed class UpdatePaymentCommandValidator : AbstractValidator<UpdatePaymentCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdatePaymentCommandValidator()
+    {
+        RuleFor(x => x.PaymentId).GreaterThan(0);
+        RuleFor(x => x.OrderId).GreaterThan(0);
+        RuleFor(x => x.Amount).GreaterThan(0);
+        RuleFor(x => x.Method)
+            .Must(method => method != PaymentMethod.Unknown)
+            .WithMessage("支付方式不可为空");
+        RuleFor(x => x.TradeNo).MaximumLength(64);
+        RuleFor(x => x.ChannelTransactionId).MaximumLength(64);
+        RuleFor(x => x.Remark).MaximumLength(256);
+
+        RuleFor(x => x.Status)
+            .Must(status => status is PaymentStatus.Unpaid or PaymentStatus.Paying or PaymentStatus.Paid or PaymentStatus.Failed or PaymentStatus.Refunded)
+            .WithMessage("支付状态不合法");
+        When(x => x.Status == PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).NotNull().WithMessage("支付成功必须包含支付时间");
+        });
+        When(x => x.Status != PaymentStatus.Paid, () =>
+        {
+            RuleFor(x => x.PaidAt).Must(paidAt => paidAt == null).WithMessage("非支付成功状态不应包含支付时间");
+        });
+
+        When(x => x.Method is PaymentMethod.Cash or PaymentMethod.Card or PaymentMethod.Balance, () =>
+        {
+            RuleFor(x => x.Status)
+                .Must(status => status is not PaymentStatus.Paying)
+                .WithMessage("线下/余额支付不允许处于 Paying 状态");
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/CreateProductCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/CreateProductCommand.cs
new file mode 100644
index 0000000..50d08c0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/CreateProductCommand.cs
@@ -0,0 +1,101 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Enums;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 创建商品命令。
+/// </summary>
+public sealed class CreateProductCommand : IRequest<ProductDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 分类 ID。
+    /// </summary>
+    public long CategoryId { get; set; }
+
+    /// <summary>
+    /// 商品编码。
+    /// </summary>
+    public string SpuCode { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 副标题。
+    /// </summary>
+    public string? Subtitle { get; set; }
+
+    /// <summary>
+    /// 单位。
+    /// </summary>
+    public string? Unit { get; set; }
+
+    /// <summary>
+    /// 现价。
+    /// </summary>
+    public decimal Price { get; set; }
+
+    /// <summary>
+    /// 原价。
+    /// </summary>
+    public decimal? OriginalPrice { get; set; }
+
+    /// <summary>
+    /// 库存数量。
+    /// </summary>
+    public int? StockQuantity { get; set; }
+
+    /// <summary>
+    /// 每单限购。
+    /// </summary>
+    public int? MaxQuantityPerOrder { get; set; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public ProductStatus Status { get; set; } = ProductStatus.Draft;
+
+    /// <summary>
+    /// 主图。
+    /// </summary>
+    public string? CoverImage { get; set; }
+
+    /// <summary>
+    /// 图集。
+    /// </summary>
+    public string? GalleryImages { get; set; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 支持堂食。
+    /// </summary>
+    public bool EnableDineIn { get; set; } = true;
+
+    /// <summary>
+    /// 支持自提。
+    /// </summary>
+    public bool EnablePickup { get; set; } = true;
+
+    /// <summary>
+    /// 支持配送。
+    /// </summary>
+    public bool EnableDelivery { get; set; } = true;
+
+    /// <summary>
+    /// 是否推荐。
+    /// </summary>
+    public bool IsFeatured { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/DeleteProductCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/DeleteProductCommand.cs
new file mode 100644
index 0000000..9a17c86
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/DeleteProductCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 删除商品命令。
+/// </summary>
+public sealed class DeleteProductCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/PublishProductCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/PublishProductCommand.cs
new file mode 100644
index 0000000..f8aa134
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/PublishProductCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 上架商品命令。
+/// </summary>
+public sealed record PublishProductCommand : IRequest<ProductDto?>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 上架备注。
+    /// </summary>
+    public string? Reason { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductAddonsCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductAddonsCommand.cs
new file mode 100644
index 0000000..41ec401
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductAddonsCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 替换商品加料命令。
+/// </summary>
+public sealed record ReplaceProductAddonsCommand : IRequest<IReadOnlyList<ProductAddonGroupDto>>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 加料组。
+    /// </summary>
+    public IReadOnlyList<ProductAddonGroupDto> AddonGroups { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductAttributesCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductAttributesCommand.cs
new file mode 100644
index 0000000..4ec120f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductAttributesCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 替换商品规格命令。
+/// </summary>
+public sealed record ReplaceProductAttributesCommand : IRequest<IReadOnlyList<ProductAttributeGroupDto>>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 规格组。
+    /// </summary>
+    public IReadOnlyList<ProductAttributeGroupDto> AttributeGroups { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductMediaCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductMediaCommand.cs
new file mode 100644
index 0000000..6e099a0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductMediaCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 替换商品媒资命令。
+/// </summary>
+public sealed record ReplaceProductMediaCommand : IRequest<IReadOnlyList<ProductMediaAssetDto>>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 媒资列表。
+    /// </summary>
+    public IReadOnlyList<ProductMediaAssetDto> MediaAssets { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductPricingRulesCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductPricingRulesCommand.cs
new file mode 100644
index 0000000..067b11f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductPricingRulesCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 替换商品价格策略命令。
+/// </summary>
+public sealed record ReplaceProductPricingRulesCommand : IRequest<IReadOnlyList<ProductPricingRuleDto>>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 价格策略。
+    /// </summary>
+    public IReadOnlyList<ProductPricingRuleDto> PricingRules { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductSkusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductSkusCommand.cs
new file mode 100644
index 0000000..8f82fdf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/ReplaceProductSkusCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 替换商品 SKU 命令。
+/// </summary>
+public sealed record ReplaceProductSkusCommand : IRequest<IReadOnlyList<ProductSkuDto>>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// SKU 列表。
+    /// </summary>
+    public IReadOnlyList<ProductSkuDto> Skus { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/UnpublishProductCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/UnpublishProductCommand.cs
new file mode 100644
index 0000000..d59aef5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/UnpublishProductCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 下架商品命令。
+/// </summary>
+public sealed record UnpublishProductCommand : IRequest<ProductDto?>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 下架原因。
+    /// </summary>
+    public string? Reason { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Commands/UpdateProductCommand.cs b/src/Application/TakeoutSaaS.Application/App/Products/Commands/UpdateProductCommand.cs
new file mode 100644
index 0000000..09cd056
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Commands/UpdateProductCommand.cs
@@ -0,0 +1,106 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Enums;
+
+namespace TakeoutSaaS.Application.App.Products.Commands;
+
+/// <summary>
+/// 更新商品命令。
+/// </summary>
+public sealed record UpdateProductCommand : IRequest<ProductDto?>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 分类 ID。
+    /// </summary>
+    public long CategoryId { get; init; }
+
+    /// <summary>
+    /// 商品编码。
+    /// </summary>
+    public string SpuCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 副标题。
+    /// </summary>
+    public string? Subtitle { get; init; }
+
+    /// <summary>
+    /// 单位。
+    /// </summary>
+    public string? Unit { get; init; }
+
+    /// <summary>
+    /// 现价。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 原价。
+    /// </summary>
+    public decimal? OriginalPrice { get; init; }
+
+    /// <summary>
+    /// 库存数量。
+    /// </summary>
+    public int? StockQuantity { get; init; }
+
+    /// <summary>
+    /// 每单限购。
+    /// </summary>
+    public int? MaxQuantityPerOrder { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public ProductStatus Status { get; init; } = ProductStatus.Draft;
+
+    /// <summary>
+    /// 主图。
+    /// </summary>
+    public string? CoverImage { get; init; }
+
+    /// <summary>
+    /// 图集。
+    /// </summary>
+    public string? GalleryImages { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 支持堂食。
+    /// </summary>
+    public bool EnableDineIn { get; init; } = true;
+
+    /// <summary>
+    /// 支持自提。
+    /// </summary>
+    public bool EnablePickup { get; init; } = true;
+
+    /// <summary>
+    /// 支持配送。
+    /// </summary>
+    public bool EnableDelivery { get; init; } = true;
+
+    /// <summary>
+    /// 是否推荐。
+    /// </summary>
+    public bool IsFeatured { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAddonGroupDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAddonGroupDto.cs
new file mode 100644
index 0000000..c249464
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAddonGroupDto.cs
@@ -0,0 +1,47 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 加料组 DTO。
+/// </summary>
+public sealed record ProductAddonGroupDto
+{
+    /// <summary>
+    /// 组 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 最小选择数。
+    /// </summary>
+    public int MinSelect { get; init; }
+
+    /// <summary>
+    /// 最大选择数。
+    /// </summary>
+    public int MaxSelect { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 加料选项。
+    /// </summary>
+    public IReadOnlyList<ProductAddonOptionDto> Options { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAddonOptionDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAddonOptionDto.cs
new file mode 100644
index 0000000..544ba67
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAddonOptionDto.cs
@@ -0,0 +1,37 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 加料选项 DTO。
+/// </summary>
+public sealed record ProductAddonOptionDto
+{
+    /// <summary>
+    /// 选项 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 所属加料组 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long AddonGroupId { get; init; }
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 额外价格。
+    /// </summary>
+    public decimal? ExtraPrice { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAttributeGroupDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAttributeGroupDto.cs
new file mode 100644
index 0000000..7e5ce67
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAttributeGroupDto.cs
@@ -0,0 +1,42 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 规格组 DTO。
+/// </summary>
+public sealed record ProductAttributeGroupDto
+{
+    /// <summary>
+    /// 组 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 选择类型。
+    /// </summary>
+    public int SelectionType { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 规格选项。
+    /// </summary>
+    public IReadOnlyList<ProductAttributeOptionDto> Options { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAttributeOptionDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAttributeOptionDto.cs
new file mode 100644
index 0000000..f9fc8ce
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductAttributeOptionDto.cs
@@ -0,0 +1,32 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 规格选项 DTO。
+/// </summary>
+public sealed record ProductAttributeOptionDto
+{
+    /// <summary>
+    /// 选项 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 规格组 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long AttributeGroupId { get; init; }
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductCategoryMenuDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductCategoryMenuDto.cs
new file mode 100644
index 0000000..d758957
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductCategoryMenuDto.cs
@@ -0,0 +1,48 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 门店菜单分类 DTO。
+/// </summary>
+public sealed record ProductCategoryMenuDto
+{
+    /// <summary>
+    /// 分类 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 分类名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 分类描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; }
+
+    /// <summary>
+    /// 分类下商品列表。
+    /// </summary>
+    public IReadOnlyList<ProductDetailDto> Products { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductDetailDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductDetailDto.cs
new file mode 100644
index 0000000..cc9ec59
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductDetailDto.cs
@@ -0,0 +1,39 @@
+using System.Text.Json.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 商品全量详情 DTO。
+/// </summary>
+public sealed record ProductDetailDto
+{
+    /// <summary>
+    /// SPU 基础信息。
+    /// </summary>
+    public ProductDto Product { get; init; } = new();
+
+    /// <summary>
+    /// SKU 列表。
+    /// </summary>
+    public IReadOnlyList<ProductSkuDto> Skus { get; init; } = [];
+
+    /// <summary>
+    /// 规格组与选项。
+    /// </summary>
+    public IReadOnlyList<ProductAttributeGroupDto> AttributeGroups { get; init; } = [];
+
+    /// <summary>
+    /// 加料组与选项。
+    /// </summary>
+    public IReadOnlyList<ProductAddonGroupDto> AddonGroups { get; init; } = [];
+
+    /// <summary>
+    /// 价格策略。
+    /// </summary>
+    public IReadOnlyList<ProductPricingRuleDto> PricingRules { get; init; } = [];
+
+    /// <summary>
+    /// 媒资列表。
+    /// </summary>
+    public IReadOnlyList<ProductMediaAssetDto> MediaAssets { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductDto.cs
new file mode 100644
index 0000000..27adb83
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductDto.cs
@@ -0,0 +1,120 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 商品 DTO（含 SPU 基础信息）。
+/// </summary>
+public sealed class ProductDto
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 分类 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long CategoryId { get; init; }
+
+    /// <summary>
+    /// SPU 编码。
+    /// </summary>
+    public string SpuCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 副标题。
+    /// </summary>
+    public string? Subtitle { get; init; }
+
+    /// <summary>
+    /// 单位。
+    /// </summary>
+    public string? Unit { get; init; }
+
+    /// <summary>
+    /// 现价。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 原价。
+    /// </summary>
+    public decimal? OriginalPrice { get; init; }
+
+    /// <summary>
+    /// 库存数量。
+    /// </summary>
+    public int? StockQuantity { get; init; }
+
+    /// <summary>
+    /// 每单限购。
+    /// </summary>
+    public int? MaxQuantityPerOrder { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public ProductStatus Status { get; init; }
+
+    /// <summary>
+    /// 主图。
+    /// </summary>
+    public string? CoverImage { get; init; }
+
+    /// <summary>
+    /// 图集。
+    /// </summary>
+    public string? GalleryImages { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 支持堂食。
+    /// </summary>
+    public bool EnableDineIn { get; init; }
+
+    /// <summary>
+    /// 支持自提。
+    /// </summary>
+    public bool EnablePickup { get; init; }
+
+    /// <summary>
+    /// 支持配送。
+    /// </summary>
+    public bool EnableDelivery { get; init; }
+
+    /// <summary>
+    /// 是否推荐。
+    /// </summary>
+    public bool IsFeatured { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductMediaAssetDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductMediaAssetDto.cs
new file mode 100644
index 0000000..d4a3279
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductMediaAssetDto.cs
@@ -0,0 +1,43 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 商品媒资 DTO。
+/// </summary>
+public sealed record ProductMediaAssetDto
+{
+    /// <summary>
+    /// 媒资 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 类型。
+    /// </summary>
+    public MediaAssetType MediaType { get; init; }
+
+    /// <summary>
+    /// URL。
+    /// </summary>
+    public string Url { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 文案。
+    /// </summary>
+    public string? Caption { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductPricingRuleDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductPricingRuleDto.cs
new file mode 100644
index 0000000..04961fb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductPricingRuleDto.cs
@@ -0,0 +1,43 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 价格策略 DTO。
+/// </summary>
+public sealed record ProductPricingRuleDto
+{
+    /// <summary>
+    /// 策略 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 策略类型。
+    /// </summary>
+    public PricingRuleType RuleType { get; init; }
+
+    /// <summary>
+    /// 价格。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 条件 JSON。
+    /// </summary>
+    public string ConditionsJson { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 星期规则。
+    /// </summary>
+    public string? WeekdaysJson { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductSkuDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductSkuDto.cs
new file mode 100644
index 0000000..4b76869
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/ProductSkuDto.cs
@@ -0,0 +1,62 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// SKU DTO。
+/// </summary>
+public sealed record ProductSkuDto
+{
+    /// <summary>
+    /// SKU ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ProductId { get; init; }
+
+    /// <summary>
+    /// 编码。
+    /// </summary>
+    public string SkuCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 条形码。
+    /// </summary>
+    public string? Barcode { get; init; }
+
+    /// <summary>
+    /// 售价。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 原价。
+    /// </summary>
+    public decimal? OriginalPrice { get; init; }
+
+    /// <summary>
+    /// 库存。
+    /// </summary>
+    public int? StockQuantity { get; init; }
+
+    /// <summary>
+    /// 重量。
+    /// </summary>
+    public decimal? Weight { get; init; }
+
+    /// <summary>
+    /// 规格属性 JSON。
+    /// </summary>
+    public string AttributesJson { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Dto/StoreMenuDto.cs b/src/Application/TakeoutSaaS.Application/App/Products/Dto/StoreMenuDto.cs
new file mode 100644
index 0000000..5429d43
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Dto/StoreMenuDto.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Products.Dto;
+
+/// <summary>
+/// 门店菜单数据传输对象。
+/// </summary>
+public sealed record StoreMenuDto
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 分类与商品集合。
+    /// </summary>
+    public IReadOnlyList<ProductCategoryMenuDto> Categories { get; init; } = [];
+
+    /// <summary>
+    /// 菜单生成时间（UTC）。
+    /// </summary>
+    public DateTime GeneratedAt { get; init; }
+
+    /// <summary>
+    /// 客户端请求的增量时间（UTC）。
+    /// </summary>
+    public DateTime? UpdatedAfter { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/CreateProductCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/CreateProductCommandHandler.cs
new file mode 100644
index 0000000..2bf1e33
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/CreateProductCommandHandler.cs
@@ -0,0 +1,78 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 创建商品命令处理器。
+/// </summary>
+public sealed class CreateProductCommandHandler(IProductRepository productRepository, ILogger<CreateProductCommandHandler> logger)
+    : IRequestHandler<CreateProductCommand, ProductDto>
+{
+    private readonly IProductRepository _productRepository = productRepository;
+    private readonly ILogger<CreateProductCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<ProductDto> Handle(CreateProductCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 构建实体
+        var product = new Product
+        {
+            StoreId = request.StoreId,
+            CategoryId = request.CategoryId,
+            SpuCode = request.SpuCode.Trim(),
+            Name = request.Name.Trim(),
+            Subtitle = request.Subtitle?.Trim(),
+            Unit = request.Unit?.Trim(),
+            Price = request.Price,
+            OriginalPrice = request.OriginalPrice,
+            StockQuantity = request.StockQuantity,
+            MaxQuantityPerOrder = request.MaxQuantityPerOrder,
+            Status = request.Status,
+            CoverImage = request.CoverImage?.Trim(),
+            GalleryImages = request.GalleryImages?.Trim(),
+            Description = request.Description?.Trim(),
+            EnableDineIn = request.EnableDineIn,
+            EnablePickup = request.EnablePickup,
+            EnableDelivery = request.EnableDelivery,
+            IsFeatured = request.IsFeatured
+        };
+
+        // 2. 持久化
+        await _productRepository.AddProductAsync(product, cancellationToken);
+        await _productRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("创建商品 {ProductId} - {ProductName}", product.Id, product.Name);
+
+        // 3. 返回 DTO
+        return MapToDto(product);
+    }
+
+    private static ProductDto MapToDto(Product product) => new()
+    {
+        Id = product.Id,
+        TenantId = product.TenantId,
+        StoreId = product.StoreId,
+        CategoryId = product.CategoryId,
+        SpuCode = product.SpuCode,
+        Name = product.Name,
+        Subtitle = product.Subtitle,
+        Unit = product.Unit,
+        Price = product.Price,
+        OriginalPrice = product.OriginalPrice,
+        StockQuantity = product.StockQuantity,
+        MaxQuantityPerOrder = product.MaxQuantityPerOrder,
+        Status = product.Status,
+        CoverImage = product.CoverImage,
+        GalleryImages = product.GalleryImages,
+        Description = product.Description,
+        EnableDineIn = product.EnableDineIn,
+        EnablePickup = product.EnablePickup,
+        EnableDelivery = product.EnableDelivery,
+        IsFeatured = product.IsFeatured,
+        CreatedAt = product.CreatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/DeleteProductCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/DeleteProductCommandHandler.cs
new file mode 100644
index 0000000..f06cfa1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/DeleteProductCommandHandler.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 删除商品命令处理器。
+/// </summary>
+public sealed class DeleteProductCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteProductCommandHandler> logger)
+    : IRequestHandler<DeleteProductCommand, bool>
+{
+    private readonly IProductRepository _productRepository = productRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<DeleteProductCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteProductCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验存在性
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        // 2. 删除
+        await _productRepository.DeleteProductAsync(request.ProductId, tenantId, cancellationToken);
+        await _productRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("删除商品 {ProductId}", request.ProductId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductByIdQueryHandler.cs
new file mode 100644
index 0000000..bed5199
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductByIdQueryHandler.cs
@@ -0,0 +1,28 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 商品详情查询处理器。
+/// </summary>
+public sealed class GetProductByIdQueryHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetProductByIdQuery, ProductDto?>
+{
+    private readonly IProductRepository _productRepository = productRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<ProductDto?> Handle(GetProductByIdQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var product = await _productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        return product == null ? null : ProductMapping.ToDto(product);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductDetailQueryHandler.cs
new file mode 100644
index 0000000..828f1c8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetProductDetailQueryHandler.cs
@@ -0,0 +1,63 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 商品全量详情查询处理器。
+/// </summary>
+public sealed class GetProductDetailQueryHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetProductDetailQuery, ProductDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<ProductDetailDto?> Handle(GetProductDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 读取 SPU
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            return null;
+        }
+
+        // 2. 查询子项
+        var skusTask = productRepository.GetSkusAsync(product.Id, tenantId, cancellationToken);
+        var attrGroupsTask = productRepository.GetAttributeGroupsAsync(product.Id, tenantId, cancellationToken);
+        var attrOptionsTask = productRepository.GetAttributeOptionsAsync(product.Id, tenantId, cancellationToken);
+        var addonGroupsTask = productRepository.GetAddonGroupsAsync(product.Id, tenantId, cancellationToken);
+        var addonOptionsTask = productRepository.GetAddonOptionsAsync(product.Id, tenantId, cancellationToken);
+        var mediaTask = productRepository.GetMediaAssetsAsync(product.Id, tenantId, cancellationToken);
+        var pricingTask = productRepository.GetPricingRulesAsync(product.Id, tenantId, cancellationToken);
+
+        await Task.WhenAll(skusTask, attrGroupsTask, attrOptionsTask, addonGroupsTask, addonOptionsTask, mediaTask, pricingTask);
+
+        // 3. 组装 DTO
+        var skus = await skusTask;
+        var attrGroups = await attrGroupsTask;
+        var attrOptions = (await attrOptionsTask).ToLookup(x => x.AttributeGroupId);
+        var addonGroups = await addonGroupsTask;
+        var addonOptions = (await addonOptionsTask).ToLookup(x => x.AddonGroupId);
+        var mediaAssets = await mediaTask;
+        var pricingRules = await pricingTask;
+        var detail = new ProductDetailDto
+        {
+            Product = ProductMapping.ToDto(product),
+            Skus = skus.Select(ProductMapping.ToDto).ToList(),
+            AttributeGroups = attrGroups
+                .Select(g => ProductMapping.ToDto(g, attrOptions[g.Id].ToList()))
+                .ToList(),
+            AddonGroups = addonGroups
+                .Select(g => ProductMapping.ToDto(g, addonOptions[g.Id].ToList()))
+                .ToList(),
+            MediaAssets = mediaAssets.Select(ProductMapping.ToDto).ToList(),
+            PricingRules = pricingRules.Select(ProductMapping.ToDto).ToList()
+        };
+
+        return detail;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetStoreMenuQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetStoreMenuQueryHandler.cs
new file mode 100644
index 0000000..bde1465
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/GetStoreMenuQueryHandler.cs
@@ -0,0 +1,136 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 门店菜单查询处理器。
+/// </summary>
+public sealed class GetStoreMenuQueryHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<GetStoreMenuQueryHandler> logger)
+    : IRequestHandler<GetStoreMenuQuery, StoreMenuDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreMenuDto> Handle(GetStoreMenuQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 准备上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var updatedAfterUtc = request.UpdatedAfter?.ToUniversalTime();
+        // 2. 获取分类
+        var categories = await productRepository.GetCategoriesByStoreAsync(tenantId, request.StoreId, true, cancellationToken);
+        // 3. 读取上架商品（支持增量）
+        var products = await productRepository.SearchAsync(tenantId, request.StoreId, null, ProductStatus.OnSale, cancellationToken, updatedAfterUtc);
+        if (products.Count == 0)
+        {
+            logger.LogInformation("门店 {StoreId} 没有上架商品，返回空菜单", request.StoreId);
+            return new StoreMenuDto
+            {
+                StoreId = request.StoreId,
+                GeneratedAt = DateTime.UtcNow,
+                UpdatedAfter = updatedAfterUtc,
+                Categories = categories
+                    .OrderBy(x => x.SortOrder)
+                    .Select(category => new ProductCategoryMenuDto
+                    {
+                        Id = category.Id,
+                        StoreId = category.StoreId,
+                        Name = category.Name,
+                        Description = category.Description,
+                        SortOrder = category.SortOrder,
+                        IsEnabled = category.IsEnabled,
+                        Products = []
+                    })
+                    .ToList()
+            };
+        }
+
+        // 4. 并发加载子表数据
+        var productIds = products.Select(x => x.Id).ToList();
+        var skusTask = productRepository.GetSkusByProductIdsAsync(productIds, tenantId, cancellationToken);
+        var attributeGroupsTask = productRepository.GetAttributeGroupsByProductIdsAsync(productIds, tenantId, cancellationToken);
+        var addonGroupsTask = productRepository.GetAddonGroupsByProductIdsAsync(productIds, tenantId, cancellationToken);
+        var mediaTask = productRepository.GetMediaAssetsByProductIdsAsync(productIds, tenantId, cancellationToken);
+        var pricingTask = productRepository.GetPricingRulesByProductIdsAsync(productIds, tenantId, cancellationToken);
+        await Task.WhenAll(skusTask, attributeGroupsTask, addonGroupsTask, mediaTask, pricingTask);
+        var attributeGroups = await attributeGroupsTask;
+        var addonGroups = await addonGroupsTask;
+        // 批量读取规格与加料选项
+        var attributeOptionsTask = attributeGroups.Count == 0
+            ? Task.FromResult<IReadOnlyList<ProductAttributeOption>>(Array.Empty<ProductAttributeOption>())
+            : productRepository.GetAttributeOptionsByGroupIdsAsync(attributeGroups.Select(x => x.Id).ToList(), tenantId, cancellationToken);
+        var addonOptionsTask = addonGroups.Count == 0
+            ? Task.FromResult<IReadOnlyList<ProductAddonOption>>(Array.Empty<ProductAddonOption>())
+            : productRepository.GetAddonOptionsByGroupIdsAsync(addonGroups.Select(x => x.Id).ToList(), tenantId, cancellationToken);
+        await Task.WhenAll(attributeOptionsTask, addonOptionsTask);
+
+        // 5. 建立查找表
+        var skuLookup = (await skusTask).ToLookup(x => x.ProductId);
+        var attrGroupLookup = attributeGroups.ToLookup(x => x.ProductId);
+        var attrOptionLookup = (await attributeOptionsTask).ToLookup(x => x.AttributeGroupId);
+        var addonGroupLookup = addonGroups.ToLookup(x => x.ProductId);
+        var addonOptionLookup = (await addonOptionsTask).ToLookup(x => x.AddonGroupId);
+        var mediaLookup = (await mediaTask).ToLookup(x => x.ProductId);
+        var pricingLookup = (await pricingTask).ToLookup(x => x.ProductId);
+        // 6. 组装商品详情
+        var productDetails = products.ToDictionary(
+            product => product.Id,
+            product =>
+            {
+                var attributeDtos = attrGroupLookup[product.Id]
+                    .Select(group => ProductMapping.ToDto(group, attrOptionLookup[group.Id].ToList()))
+                    .ToList();
+                var addonDtos = addonGroupLookup[product.Id]
+                    .Select(group => ProductMapping.ToDto(group, addonOptionLookup[group.Id].ToList()))
+                    .ToList();
+                return new ProductDetailDto
+                {
+                    Product = ProductMapping.ToDto(product),
+                    Skus = skuLookup[product.Id].Select(ProductMapping.ToDto).ToList(),
+                    AttributeGroups = attributeDtos,
+                    AddonGroups = addonDtos,
+                    MediaAssets = mediaLookup[product.Id].Select(ProductMapping.ToDto).ToList(),
+                    PricingRules = pricingLookup[product.Id].Select(ProductMapping.ToDto).ToList()
+                };
+            });
+        // 7. 组装分类菜单
+        var productsByCategory = products.ToLookup(x => x.CategoryId);
+        var categoryMenu = categories
+            .OrderBy(x => x.SortOrder)
+            .Select(category =>
+            {
+                var categoryProducts = productsByCategory[category.Id]
+                    .Select(p => productDetails[p.Id])
+                    .ToList();
+                return new ProductCategoryMenuDto
+                {
+                    Id = category.Id,
+                    StoreId = category.StoreId,
+                    Name = category.Name,
+                    Description = category.Description,
+                    SortOrder = category.SortOrder,
+                    IsEnabled = category.IsEnabled,
+                    Products = categoryProducts
+                };
+            })
+            .ToList();
+        return new StoreMenuDto
+        {
+            StoreId = request.StoreId,
+            GeneratedAt = DateTime.UtcNow,
+            UpdatedAfter = updatedAfterUtc,
+            Categories = categoryMenu
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/PublishProductCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/PublishProductCommandHandler.cs
new file mode 100644
index 0000000..fd71ada
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/PublishProductCommandHandler.cs
@@ -0,0 +1,49 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 商品上架处理器。
+/// </summary>
+public sealed class PublishProductCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<PublishProductCommandHandler> logger)
+    : IRequestHandler<PublishProductCommand, ProductDto?>
+{
+    /// <inheritdoc />
+    public async Task<ProductDto?> Handle(PublishProductCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取商品
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            return null;
+        }
+
+        // 2. 校验 SKU 可售
+        var skus = await productRepository.GetSkusAsync(product.Id, tenantId, cancellationToken);
+        if (skus.Count == 0)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "请先配置可售 SKU 后再上架");
+        }
+
+        // 3. 上架
+        product.Status = ProductStatus.OnSale;
+        await productRepository.UpdateProductAsync(product, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("商品上架 {ProductId}", product.Id);
+
+        return ProductMapping.ToDto(product);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductAddonsCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductAddonsCommandHandler.cs
new file mode 100644
index 0000000..af61144
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductAddonsCommandHandler.cs
@@ -0,0 +1,74 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 替换加料处理器。
+/// </summary>
+public sealed class ReplaceProductAddonsCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReplaceProductAddonsCommandHandler> logger)
+    : IRequestHandler<ReplaceProductAddonsCommand, IReadOnlyList<ProductAddonGroupDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAddonGroupDto>> Handle(ReplaceProductAddonsCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验商品
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商品不存在");
+        }
+
+        // 2. 校验组名唯一
+        var names = request.AddonGroups.Select(x => x.Name.Trim()).ToList();
+        if (names.Count != names.Distinct(StringComparer.OrdinalIgnoreCase).Count())
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "加料组名称重复");
+        }
+
+        // 3. 替换
+        await productRepository.RemoveAddonGroupsAsync(request.ProductId, tenantId, cancellationToken);
+        // 重新插入组
+        var groupEntities = request.AddonGroups.Select(g => new ProductAddonGroup
+        {
+            ProductId = request.ProductId,
+            Name = g.Name.Trim(),
+            MinSelect = g.MinSelect,
+            MaxSelect = g.MaxSelect,
+            SortOrder = g.SortOrder
+        }).ToList();
+        await productRepository.AddAddonGroupsAsync(groupEntities, [], cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        // 重新建立组与请求的映射
+        var groupIdLookup = groupEntities.Zip(request.AddonGroups, (entity, dto) => (entity, dto))
+            .ToDictionary(x => x.dto, x => x.entity.Id);
+        // 构建选项实体
+        var optionEntities = request.AddonGroups
+            .SelectMany(dto => dto.Options.Select(o => new ProductAddonOption
+            {
+                AddonGroupId = groupIdLookup[dto],
+                Name = o.Name.Trim(),
+                ExtraPrice = o.ExtraPrice,
+                SortOrder = o.SortOrder
+            }))
+            .ToList();
+        await productRepository.AddAddonGroupsAsync([], optionEntities, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("替换商品 {ProductId} 加料组 {Count} 个", request.ProductId, groupEntities.Count);
+
+        return groupEntities
+            .Select(g => ProductMapping.ToDto(g, optionEntities.Where(o => o.AddonGroupId == g.Id).ToList()))
+            .ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductAttributesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductAttributesCommandHandler.cs
new file mode 100644
index 0000000..9cef4d1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductAttributesCommandHandler.cs
@@ -0,0 +1,77 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 替换规格处理器。
+/// </summary>
+public sealed class ReplaceProductAttributesCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReplaceProductAttributesCommandHandler> logger)
+    : IRequestHandler<ReplaceProductAttributesCommand, IReadOnlyList<ProductAttributeGroupDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAttributeGroupDto>> Handle(ReplaceProductAttributesCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验商品
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商品不存在");
+        }
+
+        // 2. 组名唯一
+        var groupNames = request.AttributeGroups.Select(x => x.Name.Trim()).ToList();
+        if (groupNames.Count != groupNames.Distinct(StringComparer.OrdinalIgnoreCase).Count())
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "规格组名称重复");
+        }
+
+        // 3. 替换
+        await productRepository.RemoveAttributeGroupsAsync(request.ProductId, tenantId, cancellationToken);
+
+        var groupEntities = request.AttributeGroups.Select(g => new ProductAttributeGroup
+        {
+            ProductId = request.ProductId,
+            Name = g.Name.Trim(),
+            SelectionType = (Domain.Products.Enums.AttributeSelectionType)g.SelectionType,
+            SortOrder = g.SortOrder
+        }).ToList();
+
+        // 4. 持久化（分批保障 FK 正确）
+        await productRepository.AddAttributeGroupsAsync(groupEntities, [], cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+
+        // 重新建立选项的 GroupId 映射
+        var groupIdLookup = groupEntities.Zip(request.AttributeGroups, (entity, dto) => (entity, dto))
+            .ToDictionary(x => x.dto, x => x.entity.Id);
+
+        var optionEntities = request.AttributeGroups
+            .SelectMany(dto => dto.Options.Select(o => new ProductAttributeOption
+            {
+                AttributeGroupId = groupIdLookup[dto],
+                Name = o.Name.Trim(),
+                SortOrder = o.SortOrder
+            }))
+            .ToList();
+
+        await productRepository.AddAttributeGroupsAsync([], optionEntities, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("替换商品 {ProductId} 规格组 {GroupCount} 个", request.ProductId, groupEntities.Count);
+
+        // 5. 返回 DTO
+        return groupEntities
+            .Select(g => ProductMapping.ToDto(g, optionEntities.Where(o => o.AttributeGroupId == g.Id).ToList()))
+            .ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductMediaCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductMediaCommandHandler.cs
new file mode 100644
index 0000000..4c704f4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductMediaCommandHandler.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 替换媒资处理器。
+/// </summary>
+public sealed class ReplaceProductMediaCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReplaceProductMediaCommandHandler> logger)
+    : IRequestHandler<ReplaceProductMediaCommand, IReadOnlyList<ProductMediaAssetDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductMediaAssetDto>> Handle(ReplaceProductMediaCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验商品
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商品不存在");
+        }
+
+        // 2. 替换
+        await productRepository.RemoveMediaAssetsAsync(request.ProductId, tenantId, cancellationToken);
+
+        var assets = request.MediaAssets.Select(a => new ProductMediaAsset
+        {
+            ProductId = request.ProductId,
+            MediaType = a.MediaType,
+            Url = a.Url.Trim(),
+            Caption = a.Caption?.Trim(),
+            SortOrder = a.SortOrder
+        }).ToList();
+
+        await productRepository.AddMediaAssetsAsync(assets, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("替换商品 {ProductId} 媒资 {Count} 条", request.ProductId, assets.Count);
+
+        return assets.Select(ProductMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductPricingRulesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductPricingRulesCommandHandler.cs
new file mode 100644
index 0000000..8c02739
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductPricingRulesCommandHandler.cs
@@ -0,0 +1,52 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 替换价格策略处理器。
+/// </summary>
+public sealed class ReplaceProductPricingRulesCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReplaceProductPricingRulesCommandHandler> logger)
+    : IRequestHandler<ReplaceProductPricingRulesCommand, IReadOnlyList<ProductPricingRuleDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductPricingRuleDto>> Handle(ReplaceProductPricingRulesCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验商品
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商品不存在");
+        }
+
+        // 2. 替换
+        await productRepository.RemovePricingRulesAsync(request.ProductId, tenantId, cancellationToken);
+
+        var rules = request.PricingRules.Select(r => new ProductPricingRule
+        {
+            ProductId = request.ProductId,
+            RuleType = r.RuleType,
+            ConditionsJson = r.ConditionsJson.Trim(),
+            Price = r.Price,
+            WeekdaysJson = r.WeekdaysJson,
+            SortOrder = 0
+        }).ToList();
+
+        await productRepository.AddPricingRulesAsync(rules, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("替换商品 {ProductId} 价格策略 {Count} 条", request.ProductId, rules.Count);
+
+        return rules.Select(ProductMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductSkusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductSkusCommandHandler.cs
new file mode 100644
index 0000000..9f62d45
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/ReplaceProductSkusCommandHandler.cs
@@ -0,0 +1,61 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 替换 SKU 处理器。
+/// </summary>
+public sealed class ReplaceProductSkusCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ReplaceProductSkusCommandHandler> logger)
+    : IRequestHandler<ReplaceProductSkusCommand, IReadOnlyList<ProductSkuDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSkuDto>> Handle(ReplaceProductSkusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验商品存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "商品不存在");
+        }
+
+        // 2. 校验 SKU 唯一性
+        var codes = request.Skus.Select(x => x.SkuCode.Trim()).ToList();
+        if (codes.Count != codes.Distinct(StringComparer.OrdinalIgnoreCase).Count())
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "SKU 编码重复");
+        }
+
+        // 3. 替换
+        await productRepository.RemoveSkusAsync(request.ProductId, tenantId, cancellationToken);
+        var entities = request.Skus.Select(x => new ProductSku
+        {
+            ProductId = request.ProductId,
+            SkuCode = x.SkuCode.Trim(),
+            Barcode = x.Barcode?.Trim(),
+            Price = x.Price,
+            OriginalPrice = x.OriginalPrice,
+            StockQuantity = x.StockQuantity,
+            Weight = x.Weight,
+            AttributesJson = x.AttributesJson ?? string.Empty,
+            SortOrder = x.SortOrder
+        }).ToList();
+
+        await productRepository.AddSkusAsync(entities, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("替换商品 {ProductId} 的 SKU 数量 {Count}", request.ProductId, entities.Count);
+
+        return entities.Select(ProductMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/SearchProductsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/SearchProductsQueryHandler.cs
new file mode 100644
index 0000000..660a35b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/SearchProductsQueryHandler.cs
@@ -0,0 +1,75 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Application.App.Products.Queries;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 商品列表查询处理器。
+/// </summary>
+public sealed class SearchProductsQueryHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchProductsQuery, PagedResult<ProductDto>>
+{
+    private readonly IProductRepository _productRepository = productRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<PagedResult<ProductDto>> Handle(SearchProductsQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var products = await _productRepository.SearchAsync(tenantId, request.StoreId, request.CategoryId, request.Status, cancellationToken);
+
+        var sorted = ApplySorting(products, request.SortBy, request.SortDescending);
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        var items = paged.Select(MapToDto).ToList();
+        return new PagedResult<ProductDto>(items, request.Page, request.PageSize, products.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.Products.Entities.Product> ApplySorting(
+        IReadOnlyCollection<Domain.Products.Entities.Product> products,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "name" => sortDescending ? products.OrderByDescending(x => x.Name) : products.OrderBy(x => x.Name),
+            "price" => sortDescending ? products.OrderByDescending(x => x.Price) : products.OrderBy(x => x.Price),
+            "status" => sortDescending ? products.OrderByDescending(x => x.Status) : products.OrderBy(x => x.Status),
+            _ => sortDescending ? products.OrderByDescending(x => x.CreatedAt) : products.OrderBy(x => x.CreatedAt)
+        };
+    }
+
+    private static ProductDto MapToDto(Domain.Products.Entities.Product product) => new()
+    {
+        Id = product.Id,
+        TenantId = product.TenantId,
+        StoreId = product.StoreId,
+        CategoryId = product.CategoryId,
+        SpuCode = product.SpuCode,
+        Name = product.Name,
+        Subtitle = product.Subtitle,
+        Unit = product.Unit,
+        Price = product.Price,
+        OriginalPrice = product.OriginalPrice,
+        StockQuantity = product.StockQuantity,
+        MaxQuantityPerOrder = product.MaxQuantityPerOrder,
+        Status = product.Status,
+        CoverImage = product.CoverImage,
+        GalleryImages = product.GalleryImages,
+        Description = product.Description,
+        EnableDineIn = product.EnableDineIn,
+        EnablePickup = product.EnablePickup,
+        EnableDelivery = product.EnableDelivery,
+        IsFeatured = product.IsFeatured,
+        CreatedAt = product.CreatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/UnpublishProductCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/UnpublishProductCommandHandler.cs
new file mode 100644
index 0000000..83fe4c8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/UnpublishProductCommandHandler.cs
@@ -0,0 +1,39 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 商品下架处理器。
+/// </summary>
+public sealed class UnpublishProductCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UnpublishProductCommandHandler> logger)
+    : IRequestHandler<UnpublishProductCommand, ProductDto?>
+{
+    /// <inheritdoc />
+    public async Task<ProductDto?> Handle(UnpublishProductCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取商品
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var product = await productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (product is null)
+        {
+            return null;
+        }
+
+        // 2. 下架
+        product.Status = ProductStatus.OffShelf;
+        await productRepository.UpdateProductAsync(product, cancellationToken);
+        await productRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("商品下架 {ProductId}", product.Id);
+
+        return ProductMapping.ToDto(product);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Handlers/UpdateProductCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/UpdateProductCommandHandler.cs
new file mode 100644
index 0000000..e616788
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Handlers/UpdateProductCommandHandler.cs
@@ -0,0 +1,88 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Products.Commands;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Products.Handlers;
+
+/// <summary>
+/// 更新商品命令处理器。
+/// </summary>
+public sealed class UpdateProductCommandHandler(
+    IProductRepository productRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateProductCommandHandler> logger)
+    : IRequestHandler<UpdateProductCommand, ProductDto?>
+{
+    private readonly IProductRepository _productRepository = productRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<UpdateProductCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<ProductDto?> Handle(UpdateProductCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取商品
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _productRepository.FindByIdAsync(request.ProductId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return null;
+        }
+
+        // 2. 更新字段
+        existing.StoreId = request.StoreId;
+        existing.CategoryId = request.CategoryId;
+        existing.SpuCode = request.SpuCode.Trim();
+        existing.Name = request.Name.Trim();
+        existing.Subtitle = request.Subtitle?.Trim();
+        existing.Unit = request.Unit?.Trim();
+        existing.Price = request.Price;
+        existing.OriginalPrice = request.OriginalPrice;
+        existing.StockQuantity = request.StockQuantity;
+        existing.MaxQuantityPerOrder = request.MaxQuantityPerOrder;
+        existing.Status = request.Status;
+        existing.CoverImage = request.CoverImage?.Trim();
+        existing.GalleryImages = request.GalleryImages?.Trim();
+        existing.Description = request.Description?.Trim();
+        existing.EnableDineIn = request.EnableDineIn;
+        existing.EnablePickup = request.EnablePickup;
+        existing.EnableDelivery = request.EnableDelivery;
+        existing.IsFeatured = request.IsFeatured;
+
+        // 3. 持久化
+        await _productRepository.UpdateProductAsync(existing, cancellationToken);
+        await _productRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("更新商品 {ProductId} - {ProductName}", existing.Id, existing.Name);
+
+        // 4. 返回 DTO
+        return MapToDto(existing);
+    }
+
+    private static ProductDto MapToDto(Product product) => new()
+    {
+        Id = product.Id,
+        TenantId = product.TenantId,
+        StoreId = product.StoreId,
+        CategoryId = product.CategoryId,
+        SpuCode = product.SpuCode,
+        Name = product.Name,
+        Subtitle = product.Subtitle,
+        Unit = product.Unit,
+        Price = product.Price,
+        OriginalPrice = product.OriginalPrice,
+        StockQuantity = product.StockQuantity,
+        MaxQuantityPerOrder = product.MaxQuantityPerOrder,
+        Status = product.Status,
+        CoverImage = product.CoverImage,
+        GalleryImages = product.GalleryImages,
+        Description = product.Description,
+        EnableDineIn = product.EnableDineIn,
+        EnablePickup = product.EnablePickup,
+        EnableDelivery = product.EnableDelivery,
+        IsFeatured = product.IsFeatured,
+        CreatedAt = product.CreatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/ProductMapping.cs b/src/Application/TakeoutSaaS.Application/App/Products/ProductMapping.cs
new file mode 100644
index 0000000..77cf89f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/ProductMapping.cs
@@ -0,0 +1,133 @@
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Entities;
+
+namespace TakeoutSaaS.Application.App.Products;
+
+/// <summary>
+/// 商品映射辅助。
+/// </summary>
+public static class ProductMapping
+{
+    /// <summary>
+    /// 映射 SPU DTO。
+    /// </summary>
+    /// <param name="product">商品实体。</param>
+    /// <returns>DTO。</returns>
+    public static ProductDto ToDto(Product product) => new()
+    {
+        Id = product.Id,
+        TenantId = product.TenantId,
+        StoreId = product.StoreId,
+        CategoryId = product.CategoryId,
+        SpuCode = product.SpuCode,
+        Name = product.Name,
+        Subtitle = product.Subtitle,
+        Unit = product.Unit,
+        Price = product.Price,
+        OriginalPrice = product.OriginalPrice,
+        StockQuantity = product.StockQuantity,
+        MaxQuantityPerOrder = product.MaxQuantityPerOrder,
+        Status = product.Status,
+        CoverImage = product.CoverImage,
+        GalleryImages = product.GalleryImages,
+        Description = product.Description,
+        EnableDineIn = product.EnableDineIn,
+        EnablePickup = product.EnablePickup,
+        EnableDelivery = product.EnableDelivery,
+        IsFeatured = product.IsFeatured,
+        CreatedAt = product.CreatedAt
+    };
+
+    /// <summary>
+    /// 映射 SKU DTO。
+    /// </summary>
+    public static ProductSkuDto ToDto(ProductSku sku) => new()
+    {
+        Id = sku.Id,
+        ProductId = sku.ProductId,
+        SkuCode = sku.SkuCode,
+        Barcode = sku.Barcode,
+        Price = sku.Price,
+        OriginalPrice = sku.OriginalPrice,
+        StockQuantity = sku.StockQuantity,
+        Weight = sku.Weight,
+        AttributesJson = sku.AttributesJson,
+        SortOrder = sku.SortOrder
+    };
+
+    /// <summary>
+    /// 映射规格组 DTO。
+    /// </summary>
+    public static ProductAttributeGroupDto ToDto(ProductAttributeGroup group, IReadOnlyList<ProductAttributeOption> options) => new()
+    {
+        Id = group.Id,
+        ProductId = group.ProductId,
+        Name = group.Name,
+        SelectionType = (int)group.SelectionType,
+        SortOrder = group.SortOrder,
+        Options = options.Select(ToDto).ToList()
+    };
+
+    /// <summary>
+    /// 映射规格选项 DTO。
+    /// </summary>
+    public static ProductAttributeOptionDto ToDto(ProductAttributeOption option) => new()
+    {
+        Id = option.Id,
+        AttributeGroupId = option.AttributeGroupId,
+        Name = option.Name,
+        SortOrder = option.SortOrder
+    };
+
+    /// <summary>
+    /// 映射加料组 DTO。
+    /// </summary>
+    public static ProductAddonGroupDto ToDto(ProductAddonGroup group, IReadOnlyList<ProductAddonOption> options) => new()
+    {
+        Id = group.Id,
+        ProductId = group.ProductId,
+        Name = group.Name,
+        MinSelect = group.MinSelect ?? 0,
+        MaxSelect = group.MaxSelect ?? 0,
+        SortOrder = group.SortOrder,
+        Options = options.Select(ToDto).ToList()
+    };
+
+    /// <summary>
+    /// 映射加料选项 DTO。
+    /// </summary>
+    public static ProductAddonOptionDto ToDto(ProductAddonOption option) => new()
+    {
+        Id = option.Id,
+        AddonGroupId = option.AddonGroupId,
+        Name = option.Name,
+        ExtraPrice = option.ExtraPrice,
+        SortOrder = option.SortOrder
+    };
+
+    /// <summary>
+    /// 映射媒资 DTO。
+    /// </summary>
+    public static ProductMediaAssetDto ToDto(ProductMediaAsset asset) => new()
+    {
+        Id = asset.Id,
+        ProductId = asset.ProductId,
+        MediaType = asset.MediaType,
+        Url = asset.Url,
+        Caption = asset.Caption,
+        SortOrder = asset.SortOrder
+    };
+
+    /// <summary>
+    /// 映射价格策略 DTO。
+    /// </summary>
+    public static ProductPricingRuleDto ToDto(ProductPricingRule rule) => new()
+    {
+        Id = rule.Id,
+        ProductId = rule.ProductId,
+        RuleType = rule.RuleType,
+        Price = rule.Price,
+        ConditionsJson = rule.ConditionsJson,
+        WeekdaysJson = rule.WeekdaysJson
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductByIdQuery.cs
new file mode 100644
index 0000000..08830cb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Queries;
+
+/// <summary>
+/// 获取商品详情查询。
+/// </summary>
+public sealed class GetProductByIdQuery : IRequest<ProductDto?>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductDetailQuery.cs b/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductDetailQuery.cs
new file mode 100644
index 0000000..a6e2c19
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetProductDetailQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Queries;
+
+/// <summary>
+/// 商品全量详情查询。
+/// </summary>
+public sealed record GetProductDetailQuery : IRequest<ProductDetailDto?>
+{
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetStoreMenuQuery.cs b/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetStoreMenuQuery.cs
new file mode 100644
index 0000000..472806b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Queries/GetStoreMenuQuery.cs
@@ -0,0 +1,21 @@
+using System;
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+
+namespace TakeoutSaaS.Application.App.Products.Queries;
+
+/// <summary>
+/// 获取门店菜单查询。
+/// </summary>
+public sealed record GetStoreMenuQuery : IRequest<StoreMenuDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 增量时间（UTC）。
+    /// </summary>
+    public DateTime? UpdatedAfter { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Queries/SearchProductsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Products/Queries/SearchProductsQuery.cs
new file mode 100644
index 0000000..b1d4b31
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Queries/SearchProductsQuery.cs
@@ -0,0 +1,47 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Products.Dto;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Products.Queries;
+
+/// <summary>
+/// 商品列表查询。
+/// </summary>
+public sealed class SearchProductsQuery : IRequest<PagedResult<ProductDto>>
+{
+    /// <summary>
+    /// 门店 ID（可选）。
+    /// </summary>
+    public long? StoreId { get; init; }
+
+    /// <summary>
+    /// 分类 ID（可选）。
+    /// </summary>
+    public long? CategoryId { get; init; }
+
+    /// <summary>
+    /// 状态过滤。
+    /// </summary>
+    public ProductStatus? Status { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（name/price/status/createdAt）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/CreateProductCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/CreateProductCommandValidator.cs
new file mode 100644
index 0000000..91bd6ac
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/CreateProductCommandValidator.cs
@@ -0,0 +1,29 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 创建商品命令验证器。
+/// </summary>
+public sealed class CreateProductCommandValidator : AbstractValidator<CreateProductCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateProductCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.CategoryId).GreaterThan(0);
+        RuleFor(x => x.SpuCode).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.Subtitle).MaximumLength(256);
+        RuleFor(x => x.Unit).MaximumLength(16);
+        RuleFor(x => x.Price).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.OriginalPrice).GreaterThanOrEqualTo(0).When(x => x.OriginalPrice.HasValue);
+        RuleFor(x => x.StockQuantity).GreaterThanOrEqualTo(0).When(x => x.StockQuantity.HasValue);
+        RuleFor(x => x.MaxQuantityPerOrder).GreaterThan(0).When(x => x.MaxQuantityPerOrder.HasValue);
+        RuleFor(x => x.CoverImage).MaximumLength(256);
+        RuleFor(x => x.GalleryImages).MaximumLength(1024);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/PublishProductCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/PublishProductCommandValidator.cs
new file mode 100644
index 0000000..4964237
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/PublishProductCommandValidator.cs
@@ -0,0 +1,19 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 上架商品命令验证器。
+/// </summary>
+public sealed class PublishProductCommandValidator : AbstractValidator<PublishProductCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public PublishProductCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleFor(x => x.Reason).MaximumLength(256);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductAddonsCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductAddonsCommandValidator.cs
new file mode 100644
index 0000000..37f52a8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductAddonsCommandValidator.cs
@@ -0,0 +1,31 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 替换加料验证器。
+/// </summary>
+public sealed class ReplaceProductAddonsCommandValidator : AbstractValidator<ReplaceProductAddonsCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ReplaceProductAddonsCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleForEach(x => x.AddonGroups).ChildRules(group =>
+        {
+            group.RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+            group.RuleFor(x => x.MinSelect).GreaterThanOrEqualTo(0);
+            group.RuleFor(x => x.MaxSelect).GreaterThanOrEqualTo(x => x.MinSelect);
+            group.RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+            group.RuleForEach(x => x.Options).ChildRules(opt =>
+            {
+                opt.RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+                opt.RuleFor(x => x.ExtraPrice).GreaterThanOrEqualTo(0).When(x => x.ExtraPrice.HasValue);
+                opt.RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+            });
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductAttributesCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductAttributesCommandValidator.cs
new file mode 100644
index 0000000..7cc5e10
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductAttributesCommandValidator.cs
@@ -0,0 +1,28 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 替换规格验证器。
+/// </summary>
+public sealed class ReplaceProductAttributesCommandValidator : AbstractValidator<ReplaceProductAttributesCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ReplaceProductAttributesCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleForEach(x => x.AttributeGroups).ChildRules(group =>
+        {
+            group.RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+            group.RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+            group.RuleForEach(x => x.Options).ChildRules(opt =>
+            {
+                opt.RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+                opt.RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+            });
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductMediaCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductMediaCommandValidator.cs
new file mode 100644
index 0000000..fa27cb7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductMediaCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 替换媒资验证器。
+/// </summary>
+public sealed class ReplaceProductMediaCommandValidator : AbstractValidator<ReplaceProductMediaCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ReplaceProductMediaCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleForEach(x => x.MediaAssets).ChildRules(asset =>
+        {
+            asset.RuleFor(x => x.Url).NotEmpty().MaximumLength(512);
+            asset.RuleFor(x => x.Caption).MaximumLength(256);
+            asset.RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductPricingRulesCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductPricingRulesCommandValidator.cs
new file mode 100644
index 0000000..5cdac59
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductPricingRulesCommandValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 替换价格策略验证器。
+/// </summary>
+public sealed class ReplaceProductPricingRulesCommandValidator : AbstractValidator<ReplaceProductPricingRulesCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ReplaceProductPricingRulesCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleForEach(x => x.PricingRules).ChildRules(rule =>
+        {
+            rule.RuleFor(x => x.Price).GreaterThan(0);
+            rule.RuleFor(x => x.ConditionsJson).NotEmpty();
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductSkusCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductSkusCommandValidator.cs
new file mode 100644
index 0000000..7e4a387
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/ReplaceProductSkusCommandValidator.cs
@@ -0,0 +1,26 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 替换 SKU 验证器。
+/// </summary>
+public sealed class ReplaceProductSkusCommandValidator : AbstractValidator<ReplaceProductSkusCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ReplaceProductSkusCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleForEach(x => x.Skus).ChildRules(sku =>
+        {
+            sku.RuleFor(x => x.SkuCode).NotEmpty().MaximumLength(64);
+            sku.RuleFor(x => x.Price).GreaterThan(0);
+            sku.RuleFor(x => x.OriginalPrice).GreaterThan(0).When(x => x.OriginalPrice.HasValue);
+            sku.RuleFor(x => x.StockQuantity).GreaterThanOrEqualTo(0).When(x => x.StockQuantity.HasValue);
+            sku.RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/SearchProductsQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/SearchProductsQueryValidator.cs
new file mode 100644
index 0000000..23e3962
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/SearchProductsQueryValidator.cs
@@ -0,0 +1,20 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Queries;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 商品列表查询验证器。
+/// </summary>
+public sealed class SearchProductsQueryValidator : AbstractValidator<SearchProductsQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchProductsQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/UnpublishProductCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/UnpublishProductCommandValidator.cs
new file mode 100644
index 0000000..1ee952c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/UnpublishProductCommandValidator.cs
@@ -0,0 +1,19 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 下架商品命令验证器。
+/// </summary>
+public sealed class UnpublishProductCommandValidator : AbstractValidator<UnpublishProductCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UnpublishProductCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleFor(x => x.Reason).MaximumLength(256);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Products/Validators/UpdateProductCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Products/Validators/UpdateProductCommandValidator.cs
new file mode 100644
index 0000000..20200f2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Products/Validators/UpdateProductCommandValidator.cs
@@ -0,0 +1,30 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Products.Commands;
+
+namespace TakeoutSaaS.Application.App.Products.Validators;
+
+/// <summary>
+/// 更新商品命令验证器。
+/// </summary>
+public sealed class UpdateProductCommandValidator : AbstractValidator<UpdateProductCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateProductCommandValidator()
+    {
+        RuleFor(x => x.ProductId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.CategoryId).GreaterThan(0);
+        RuleFor(x => x.SpuCode).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.Subtitle).MaximumLength(256);
+        RuleFor(x => x.Unit).MaximumLength(16);
+        RuleFor(x => x.Price).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.OriginalPrice).GreaterThanOrEqualTo(0).When(x => x.OriginalPrice.HasValue);
+        RuleFor(x => x.StockQuantity).GreaterThanOrEqualTo(0).When(x => x.StockQuantity.HasValue);
+        RuleFor(x => x.MaxQuantityPerOrder).GreaterThan(0).When(x => x.MaxQuantityPerOrder.HasValue);
+        RuleFor(x => x.CoverImage).MaximumLength(256);
+        RuleFor(x => x.GalleryImages).MaximumLength(1024);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/CreateQuotaPackageCommand.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/CreateQuotaPackageCommand.cs
new file mode 100644
index 0000000..7c8de9e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/CreateQuotaPackageCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Commands;
+
+/// <summary>
+/// 创建配额包命令。
+/// </summary>
+public sealed record CreateQuotaPackageCommand : IRequest<QuotaPackageDto>
+{
+    /// <summary>
+    /// 配额包名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 配额数值。
+    /// </summary>
+    public decimal QuotaValue { get; init; }
+
+    /// <summary>
+    /// 价格。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 是否上架。
+    /// </summary>
+    public bool IsActive { get; init; } = true;
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; } = 0;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/DeleteQuotaPackageCommand.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/DeleteQuotaPackageCommand.cs
new file mode 100644
index 0000000..62c8f3f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/DeleteQuotaPackageCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Commands;
+
+/// <summary>
+/// 删除配额包命令。
+/// </summary>
+public sealed record DeleteQuotaPackageCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    public long QuotaPackageId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/PurchaseQuotaPackageCommand.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/PurchaseQuotaPackageCommand.cs
new file mode 100644
index 0000000..3485036
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/PurchaseQuotaPackageCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Commands;
+
+/// <summary>
+/// 为租户购买配额包命令。
+/// </summary>
+public sealed record PurchaseQuotaPackageCommand : IRequest<TenantQuotaPurchaseDto>
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    public long QuotaPackageId { get; init; }
+
+    /// <summary>
+    /// 过期时间（可选）。
+    /// </summary>
+    public DateTime? ExpiredAt { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/UpdateQuotaPackageCommand.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/UpdateQuotaPackageCommand.cs
new file mode 100644
index 0000000..f6f43c3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/UpdateQuotaPackageCommand.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Commands;
+
+/// <summary>
+/// 更新配额包命令。
+/// </summary>
+public sealed record UpdateQuotaPackageCommand : IRequest<QuotaPackageDto?>
+{
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    public long QuotaPackageId { get; init; }
+
+    /// <summary>
+    /// 配额包名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 配额数值。
+    /// </summary>
+    public decimal QuotaValue { get; init; }
+
+    /// <summary>
+    /// 价格。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 是否上架。
+    /// </summary>
+    public bool IsActive { get; init; } = true;
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; } = 0;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/UpdateQuotaPackageStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/UpdateQuotaPackageStatusCommand.cs
new file mode 100644
index 0000000..4a0fdb0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Commands/UpdateQuotaPackageStatusCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Commands;
+
+/// <summary>
+/// 更新配额包状态命令（上架/下架）。
+/// </summary>
+public sealed record UpdateQuotaPackageStatusCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    public long QuotaPackageId { get; init; }
+
+    /// <summary>
+    /// 是否上架。
+    /// </summary>
+    public bool IsActive { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/QuotaPackageDto.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/QuotaPackageDto.cs
new file mode 100644
index 0000000..f710e8c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/QuotaPackageDto.cs
@@ -0,0 +1,62 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Dto;
+
+/// <summary>
+/// 配额包 DTO。
+/// </summary>
+public sealed record QuotaPackageDto
+{
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 配额包名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 配额数值。
+    /// </summary>
+    public decimal QuotaValue { get; init; }
+
+    /// <summary>
+    /// 价格。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 是否上架。
+    /// </summary>
+    public bool IsActive { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/QuotaPackageListDto.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/QuotaPackageListDto.cs
new file mode 100644
index 0000000..9dd8fdf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/QuotaPackageListDto.cs
@@ -0,0 +1,47 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Dto;
+
+/// <summary>
+/// 配额包列表 DTO。
+/// </summary>
+public sealed record QuotaPackageListDto
+{
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 配额包名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 配额数值。
+    /// </summary>
+    public decimal QuotaValue { get; init; }
+
+    /// <summary>
+    /// 价格。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 是否上架。
+    /// </summary>
+    public bool IsActive { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/TenantQuotaPurchaseDto.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/TenantQuotaPurchaseDto.cs
new file mode 100644
index 0000000..2ce1bb4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/TenantQuotaPurchaseDto.cs
@@ -0,0 +1,64 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Dto;
+
+/// <summary>
+/// 租户配额购买记录 DTO。
+/// </summary>
+public sealed record TenantQuotaPurchaseDto
+{
+    /// <summary>
+    /// 购买记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 配额包 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long QuotaPackageId { get; init; }
+
+    /// <summary>
+    /// 配额包名称。
+    /// </summary>
+    public string QuotaPackageName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 购买时的配额值。
+    /// </summary>
+    public decimal QuotaValue { get; init; }
+
+    /// <summary>
+    /// 购买价格。
+    /// </summary>
+    public decimal Price { get; init; }
+
+    /// <summary>
+    /// 购买时间。
+    /// </summary>
+    public DateTime PurchasedAt { get; init; }
+
+    /// <summary>
+    /// 过期时间（可选）。
+    /// </summary>
+    public DateTime? ExpiredAt { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/TenantQuotaUsageDto.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/TenantQuotaUsageDto.cs
new file mode 100644
index 0000000..a651fd8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Dto/TenantQuotaUsageDto.cs
@@ -0,0 +1,47 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Dto;
+
+/// <summary>
+/// 租户配额使用情况 DTO。
+/// </summary>
+public sealed record TenantQuotaUsageDto
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 配额上限。
+    /// </summary>
+    public decimal LimitValue { get; init; }
+
+    /// <summary>
+    /// 已使用值。
+    /// </summary>
+    public decimal UsedValue { get; init; }
+
+    /// <summary>
+    /// 剩余值。
+    /// </summary>
+    public decimal RemainingValue { get; init; }
+
+    /// <summary>
+    /// 配额刷新周期。
+    /// </summary>
+    public string? ResetCycle { get; init; }
+
+    /// <summary>
+    /// 最近一次重置时间。
+    /// </summary>
+    public DateTime? LastResetAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/CreateQuotaPackageCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/CreateQuotaPackageCommandHandler.cs
new file mode 100644
index 0000000..28c9b3a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/CreateQuotaPackageCommandHandler.cs
@@ -0,0 +1,54 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Commands;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 创建配额包命令处理器。
+/// </summary>
+public sealed class CreateQuotaPackageCommandHandler(
+    IQuotaPackageRepository quotaPackageRepository,
+    IIdGenerator idGenerator)
+    : IRequestHandler<CreateQuotaPackageCommand, QuotaPackageDto>
+{
+    /// <inheritdoc />
+    public async Task<QuotaPackageDto> Handle(CreateQuotaPackageCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 创建配额包实体
+        var quotaPackage = new QuotaPackage
+        {
+            Id = idGenerator.NextId(),
+            Name = request.Name,
+            QuotaType = request.QuotaType,
+            QuotaValue = request.QuotaValue,
+            Price = request.Price,
+            IsActive = request.IsActive,
+            SortOrder = request.SortOrder,
+            Description = request.Description,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        // 2. 保存到数据库
+        await quotaPackageRepository.AddAsync(quotaPackage, cancellationToken);
+        await quotaPackageRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 返回 DTO
+        return new QuotaPackageDto
+        {
+            Id = quotaPackage.Id,
+            Name = quotaPackage.Name,
+            QuotaType = quotaPackage.QuotaType,
+            QuotaValue = quotaPackage.QuotaValue,
+            Price = quotaPackage.Price,
+            IsActive = quotaPackage.IsActive,
+            SortOrder = quotaPackage.SortOrder,
+            Description = quotaPackage.Description,
+            CreatedAt = quotaPackage.CreatedAt,
+            UpdatedAt = quotaPackage.UpdatedAt
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/DeleteQuotaPackageCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/DeleteQuotaPackageCommandHandler.cs
new file mode 100644
index 0000000..1180d7e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/DeleteQuotaPackageCommandHandler.cs
@@ -0,0 +1,29 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 删除配额包命令处理器。
+/// </summary>
+public sealed class DeleteQuotaPackageCommandHandler(IQuotaPackageRepository quotaPackageRepository)
+    : IRequestHandler<DeleteQuotaPackageCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteQuotaPackageCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 软删除配额包
+        var deleted = await quotaPackageRepository.SoftDeleteAsync(request.QuotaPackageId, cancellationToken);
+
+        if (!deleted)
+        {
+            return false;
+        }
+
+        // 2. 保存变更
+        await quotaPackageRepository.SaveChangesAsync(cancellationToken);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetQuotaPackageListQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetQuotaPackageListQueryHandler.cs
new file mode 100644
index 0000000..a61d883
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetQuotaPackageListQueryHandler.cs
@@ -0,0 +1,41 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Application.App.QuotaPackages.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 获取配额包列表查询处理器。
+/// </summary>
+public sealed class GetQuotaPackageListQueryHandler(IQuotaPackageRepository quotaPackageRepository)
+    : IRequestHandler<GetQuotaPackageListQuery, PagedResult<QuotaPackageListDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<QuotaPackageListDto>> Handle(GetQuotaPackageListQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 分页查询
+        var (items, total) = await quotaPackageRepository.SearchPagedAsync(
+            request.QuotaType,
+            request.IsActive,
+            request.Page,
+            request.PageSize,
+            cancellationToken);
+
+        // 2. 映射为 DTO
+        var dtos = items.Select(x => new QuotaPackageListDto
+        {
+            Id = x.Id,
+            Name = x.Name,
+            QuotaType = x.QuotaType,
+            QuotaValue = x.QuotaValue,
+            Price = x.Price,
+            IsActive = x.IsActive,
+            SortOrder = x.SortOrder
+        }).ToList();
+
+        // 3. 返回分页结果
+        return new PagedResult<QuotaPackageListDto>(dtos, request.Page, request.PageSize, total);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetTenantQuotaPurchasesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetTenantQuotaPurchasesQueryHandler.cs
new file mode 100644
index 0000000..1b232d3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetTenantQuotaPurchasesQueryHandler.cs
@@ -0,0 +1,43 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Application.App.QuotaPackages.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 获取租户配额购买记录查询处理器。
+/// </summary>
+public sealed class GetTenantQuotaPurchasesQueryHandler(IQuotaPackageRepository quotaPackageRepository)
+    : IRequestHandler<GetTenantQuotaPurchasesQuery, PagedResult<TenantQuotaPurchaseDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<TenantQuotaPurchaseDto>> Handle(GetTenantQuotaPurchasesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 分页查询购买记录
+        var (items, total) = await quotaPackageRepository.GetPurchasesPagedAsync(
+            request.TenantId,
+            request.Page,
+            request.PageSize,
+            cancellationToken);
+
+        // 2. 映射为 DTO
+        var dtos = items.Select(x => new TenantQuotaPurchaseDto
+        {
+            Id = x.Purchase.Id,
+            TenantId = x.Purchase.TenantId,
+            QuotaPackageId = x.Purchase.QuotaPackageId,
+            QuotaPackageName = x.Package.Name,
+            QuotaType = x.Package.QuotaType,
+            QuotaValue = x.Purchase.QuotaValue,
+            Price = x.Purchase.Price,
+            PurchasedAt = x.Purchase.PurchasedAt,
+            ExpiredAt = x.Purchase.ExpiredAt,
+            Notes = x.Purchase.Notes
+        }).ToList();
+
+        // 3. 返回分页结果
+        return new PagedResult<TenantQuotaPurchaseDto>(dtos, request.Page, request.PageSize, total);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetTenantQuotaUsageQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetTenantQuotaUsageQueryHandler.cs
new file mode 100644
index 0000000..ee246b6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/GetTenantQuotaUsageQueryHandler.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Application.App.QuotaPackages.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 获取租户配额使用情况查询处理器。
+/// </summary>
+public sealed class GetTenantQuotaUsageQueryHandler(IQuotaPackageRepository quotaPackageRepository)
+    : IRequestHandler<GetTenantQuotaUsageQuery, IReadOnlyList<TenantQuotaUsageDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantQuotaUsageDto>> Handle(GetTenantQuotaUsageQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询配额使用情况
+        var items = await quotaPackageRepository.GetUsageByTenantAsync(
+            request.TenantId,
+            request.QuotaType,
+            cancellationToken);
+
+        // 2. 映射为 DTO
+        return items.Select(x => new TenantQuotaUsageDto
+        {
+            TenantId = x.TenantId,
+            QuotaType = x.QuotaType,
+            LimitValue = x.LimitValue,
+            UsedValue = x.UsedValue,
+            RemainingValue = x.LimitValue - x.UsedValue,
+            ResetCycle = x.ResetCycle,
+            LastResetAt = x.LastResetAt
+        }).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/PurchaseQuotaPackageCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/PurchaseQuotaPackageCommandHandler.cs
new file mode 100644
index 0000000..65d7a68
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/PurchaseQuotaPackageCommandHandler.cs
@@ -0,0 +1,88 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Commands;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 购买配额包命令处理器。
+/// </summary>
+public sealed class PurchaseQuotaPackageCommandHandler(
+    IQuotaPackageRepository quotaPackageRepository,
+    ITenantQuotaUsageHistoryRepository quotaUsageHistoryRepository,
+    IIdGenerator idGenerator)
+    : IRequestHandler<PurchaseQuotaPackageCommand, TenantQuotaPurchaseDto>
+{
+    /// <inheritdoc />
+    public async Task<TenantQuotaPurchaseDto> Handle(PurchaseQuotaPackageCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查找配额包
+        var quotaPackage = await quotaPackageRepository.FindByIdAsync(request.QuotaPackageId, cancellationToken);
+
+        if (quotaPackage == null)
+        {
+            throw new InvalidOperationException("配额包不存在");
+        }
+
+        // 2. 创建购买记录
+        var purchase = new TenantQuotaPackagePurchase
+        {
+            Id = idGenerator.NextId(),
+            TenantId = request.TenantId,
+            QuotaPackageId = request.QuotaPackageId,
+            QuotaValue = quotaPackage.QuotaValue,
+            Price = quotaPackage.Price,
+            PurchasedAt = DateTime.UtcNow,
+            ExpiredAt = request.ExpiredAt,
+            Notes = request.Notes,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        // 3. 保存购买记录
+        await quotaPackageRepository.AddPurchaseAsync(purchase, cancellationToken);
+
+        // 4. 更新租户配额（根据配额类型更新对应配额）
+        var quotaUsage = await quotaPackageRepository.FindUsageAsync(request.TenantId, quotaPackage.QuotaType, cancellationToken);
+
+        if (quotaUsage != null)
+        {
+            var beforeLimit = quotaUsage.LimitValue;
+            quotaUsage.LimitValue += quotaPackage.QuotaValue;
+            await quotaPackageRepository.UpdateUsageAsync(quotaUsage, cancellationToken);
+
+            // 4.1 记录配额变更历史（购买配额包视为“剩余增加”）
+            await quotaUsageHistoryRepository.AddAsync(new TenantQuotaUsageHistory
+            {
+                TenantId = request.TenantId,
+                QuotaType = quotaPackage.QuotaType,
+                UsedValue = quotaUsage.UsedValue,
+                LimitValue = quotaUsage.LimitValue,
+                RecordedAt = DateTime.UtcNow,
+                ChangeType = TenantQuotaUsageHistoryChangeType.Increase,
+                ChangeAmount = quotaUsage.LimitValue - beforeLimit,
+                ChangeReason = $"购买配额包：{quotaPackage.Name}"
+            }, cancellationToken);
+        }
+
+        await quotaPackageRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回 DTO
+        return new TenantQuotaPurchaseDto
+        {
+            Id = purchase.Id,
+            TenantId = purchase.TenantId,
+            QuotaPackageId = purchase.QuotaPackageId,
+            QuotaPackageName = quotaPackage.Name,
+            QuotaType = quotaPackage.QuotaType,
+            QuotaValue = purchase.QuotaValue,
+            Price = purchase.Price,
+            PurchasedAt = purchase.PurchasedAt,
+            ExpiredAt = purchase.ExpiredAt,
+            Notes = purchase.Notes
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/UpdateQuotaPackageCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/UpdateQuotaPackageCommandHandler.cs
new file mode 100644
index 0000000..5e57207
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/UpdateQuotaPackageCommandHandler.cs
@@ -0,0 +1,54 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Commands;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 更新配额包命令处理器。
+/// </summary>
+public sealed class UpdateQuotaPackageCommandHandler(IQuotaPackageRepository quotaPackageRepository)
+    : IRequestHandler<UpdateQuotaPackageCommand, QuotaPackageDto?>
+{
+    /// <inheritdoc />
+    public async Task<QuotaPackageDto?> Handle(UpdateQuotaPackageCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查找配额包
+        var quotaPackage = await quotaPackageRepository.FindByIdAsync(request.QuotaPackageId, cancellationToken);
+
+        if (quotaPackage == null)
+        {
+            return null;
+        }
+
+        // 2. 更新配额包
+        quotaPackage.Name = request.Name;
+        quotaPackage.QuotaType = request.QuotaType;
+        quotaPackage.QuotaValue = request.QuotaValue;
+        quotaPackage.Price = request.Price;
+        quotaPackage.IsActive = request.IsActive;
+        quotaPackage.SortOrder = request.SortOrder;
+        quotaPackage.Description = request.Description;
+        quotaPackage.UpdatedAt = DateTime.UtcNow;
+
+        // 3. 保存到数据库
+        await quotaPackageRepository.UpdateAsync(quotaPackage, cancellationToken);
+        await quotaPackageRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回 DTO
+        return new QuotaPackageDto
+        {
+            Id = quotaPackage.Id,
+            Name = quotaPackage.Name,
+            QuotaType = quotaPackage.QuotaType,
+            QuotaValue = quotaPackage.QuotaValue,
+            Price = quotaPackage.Price,
+            IsActive = quotaPackage.IsActive,
+            SortOrder = quotaPackage.SortOrder,
+            Description = quotaPackage.Description,
+            CreatedAt = quotaPackage.CreatedAt,
+            UpdatedAt = quotaPackage.UpdatedAt
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/UpdateQuotaPackageStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/UpdateQuotaPackageStatusCommandHandler.cs
new file mode 100644
index 0000000..e5ea40b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Handlers/UpdateQuotaPackageStatusCommandHandler.cs
@@ -0,0 +1,34 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Handlers;
+
+/// <summary>
+/// 更新配额包状态命令处理器。
+/// </summary>
+public sealed class UpdateQuotaPackageStatusCommandHandler(IQuotaPackageRepository quotaPackageRepository)
+    : IRequestHandler<UpdateQuotaPackageStatusCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(UpdateQuotaPackageStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查找配额包
+        var quotaPackage = await quotaPackageRepository.FindByIdAsync(request.QuotaPackageId, cancellationToken);
+
+        if (quotaPackage == null)
+        {
+            return false;
+        }
+
+        // 2. 更新状态
+        quotaPackage.IsActive = request.IsActive;
+        quotaPackage.UpdatedAt = DateTime.UtcNow;
+
+        // 3. 保存到数据库
+        await quotaPackageRepository.UpdateAsync(quotaPackage, cancellationToken);
+        await quotaPackageRepository.SaveChangesAsync(cancellationToken);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetQuotaPackageListQuery.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetQuotaPackageListQuery.cs
new file mode 100644
index 0000000..538d1ef
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetQuotaPackageListQuery.cs
@@ -0,0 +1,32 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Queries;
+
+/// <summary>
+/// 获取配额包列表查询。
+/// </summary>
+public sealed record GetQuotaPackageListQuery : IRequest<PagedResult<QuotaPackageListDto>>
+{
+    /// <summary>
+    /// 配额类型（可选筛选）。
+    /// </summary>
+    public TenantQuotaType? QuotaType { get; init; }
+
+    /// <summary>
+    /// 状态（可选筛选）。
+    /// </summary>
+    public bool? IsActive { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页大小。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetTenantQuotaPurchasesQuery.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetTenantQuotaPurchasesQuery.cs
new file mode 100644
index 0000000..56348e6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetTenantQuotaPurchasesQuery.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Queries;
+
+/// <summary>
+/// 获取租户配额购买记录查询。
+/// </summary>
+public sealed record GetTenantQuotaPurchasesQuery : IRequest<PagedResult<TenantQuotaPurchaseDto>>
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页大小。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetTenantQuotaUsageQuery.cs b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetTenantQuotaUsageQuery.cs
new file mode 100644
index 0000000..f5b395c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/QuotaPackages/Queries/GetTenantQuotaUsageQuery.cs
@@ -0,0 +1,21 @@
+using MediatR;
+using TakeoutSaaS.Application.App.QuotaPackages.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.QuotaPackages.Queries;
+
+/// <summary>
+/// 获取租户配额使用情况查询。
+/// </summary>
+public sealed record GetTenantQuotaUsageQuery : IRequest<IReadOnlyList<TenantQuotaUsageDto>>
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 配额类型（可选筛选）。
+    /// </summary>
+    public TenantQuotaType? QuotaType { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/ExpiringSubscriptionDto.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/ExpiringSubscriptionDto.cs
new file mode 100644
index 0000000..c9a6d30
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/ExpiringSubscriptionDto.cs
@@ -0,0 +1,49 @@
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Statistics.Dto;
+
+/// <summary>
+/// 即将到期的订阅项。
+/// </summary>
+public record ExpiringSubscriptionDto
+{
+    /// <summary>
+    /// 订阅ID。
+    /// </summary>
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户ID。
+    /// </summary>
+    public string TenantId { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 套餐名称。
+    /// </summary>
+    public string PackageName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 订阅状态。
+    /// </summary>
+    public SubscriptionStatus Status { get; init; }
+
+    /// <summary>
+    /// 到期时间。
+    /// </summary>
+    public DateTime EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 剩余天数。
+    /// </summary>
+    public int DaysRemaining { get; init; }
+
+    /// <summary>
+    /// 是否开启自动续费。
+    /// </summary>
+    public bool AutoRenew { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/QuotaUsageRankingDto.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/QuotaUsageRankingDto.cs
new file mode 100644
index 0000000..57f53c2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/QuotaUsageRankingDto.cs
@@ -0,0 +1,50 @@
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Statistics.Dto;
+
+/// <summary>
+/// 配额使用排行。
+/// </summary>
+public record QuotaUsageRankingDto
+{
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 排行列表。
+    /// </summary>
+    public IReadOnlyList<QuotaUsageRankItem> Rankings { get; init; } = Array.Empty<QuotaUsageRankItem>();
+}
+
+/// <summary>
+/// 配额使用排行项。
+/// </summary>
+public record QuotaUsageRankItem
+{
+    /// <summary>
+    /// 租户ID。
+    /// </summary>
+    public string TenantId { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 已使用值。
+    /// </summary>
+    public decimal UsedValue { get; init; }
+
+    /// <summary>
+    /// 限制值。
+    /// </summary>
+    public decimal LimitValue { get; init; }
+
+    /// <summary>
+    /// 使用百分比。
+    /// </summary>
+    public decimal UsagePercentage { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/RevenueStatisticsDto.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/RevenueStatisticsDto.cs
new file mode 100644
index 0000000..ceb604f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/RevenueStatisticsDto.cs
@@ -0,0 +1,53 @@
+namespace TakeoutSaaS.Application.App.Statistics.Dto;
+
+/// <summary>
+/// 收入统计。
+/// </summary>
+public record RevenueStatisticsDto
+{
+    /// <summary>
+    /// 总收入。
+    /// </summary>
+    public decimal TotalRevenue { get; init; }
+
+    /// <summary>
+    /// 本月收入。
+    /// </summary>
+    public decimal MonthlyRevenue { get; init; }
+
+    /// <summary>
+    /// 本季度收入。
+    /// </summary>
+    public decimal QuarterlyRevenue { get; init; }
+
+    /// <summary>
+    /// 月度收入明细。
+    /// </summary>
+    public IReadOnlyList<MonthlyRevenueItem> MonthlyDetails { get; init; } = Array.Empty<MonthlyRevenueItem>();
+}
+
+/// <summary>
+/// 月度收入项。
+/// </summary>
+public record MonthlyRevenueItem
+{
+    /// <summary>
+    /// 年份。
+    /// </summary>
+    public int Year { get; init; }
+
+    /// <summary>
+    /// 月份。
+    /// </summary>
+    public int Month { get; init; }
+
+    /// <summary>
+    /// 收入金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 账单数量。
+    /// </summary>
+    public int BillCount { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/SubscriptionOverviewDto.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/SubscriptionOverviewDto.cs
new file mode 100644
index 0000000..9323faa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Dto/SubscriptionOverviewDto.cs
@@ -0,0 +1,42 @@
+namespace TakeoutSaaS.Application.App.Statistics.Dto;
+
+/// <summary>
+/// 订阅概览。
+/// </summary>
+public record SubscriptionOverviewDto
+{
+    /// <summary>
+    /// 活跃订阅总数。
+    /// </summary>
+    public int TotalActive { get; init; }
+
+    /// <summary>
+    /// 7天内到期数量。
+    /// </summary>
+    public int ExpiringIn7Days { get; init; }
+
+    /// <summary>
+    /// 3天内到期数量。
+    /// </summary>
+    public int ExpiringIn3Days { get; init; }
+
+    /// <summary>
+    /// 1天内到期数量。
+    /// </summary>
+    public int ExpiringIn1Day { get; init; }
+
+    /// <summary>
+    /// 已过期数量。
+    /// </summary>
+    public int Expired { get; init; }
+
+    /// <summary>
+    /// 待激活数量。
+    /// </summary>
+    public int Pending { get; init; }
+
+    /// <summary>
+    /// 已暂停数量。
+    /// </summary>
+    public int Suspended { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetExpiringSubscriptionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetExpiringSubscriptionsQueryHandler.cs
new file mode 100644
index 0000000..a913aac
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetExpiringSubscriptionsQueryHandler.cs
@@ -0,0 +1,38 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+using TakeoutSaaS.Application.App.Statistics.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Statistics.Handlers;
+
+/// <summary>
+/// 获取即将到期的订阅列表处理器。
+/// </summary>
+public sealed class GetExpiringSubscriptionsQueryHandler(IStatisticsRepository statisticsRepository)
+    : IRequestHandler<GetExpiringSubscriptionsQuery, IReadOnlyList<ExpiringSubscriptionDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ExpiringSubscriptionDto>> Handle(GetExpiringSubscriptionsQuery request, CancellationToken cancellationToken)
+    {
+        var now = DateTime.UtcNow;
+
+        // 查询即将到期的订阅
+        var items = await statisticsRepository.GetExpiringSubscriptionsAsync(
+            request.DaysAhead,
+            request.OnlyWithoutAutoRenew,
+            cancellationToken);
+
+        // 映射为 DTO
+        return items.Select(x => new ExpiringSubscriptionDto
+        {
+            Id = x.Subscription.Id,
+            TenantId = x.Subscription.TenantId.ToString(),
+            TenantName = x.TenantName,
+            PackageName = x.PackageName,
+            Status = x.Subscription.Status,
+            EffectiveTo = x.Subscription.EffectiveTo,
+            DaysRemaining = (int)(x.Subscription.EffectiveTo - now).TotalDays,
+            AutoRenew = x.Subscription.AutoRenew
+        }).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetQuotaUsageRankingQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetQuotaUsageRankingQueryHandler.cs
new file mode 100644
index 0000000..b6fc116
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetQuotaUsageRankingQueryHandler.cs
@@ -0,0 +1,39 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+using TakeoutSaaS.Application.App.Statistics.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Statistics.Handlers;
+
+/// <summary>
+/// 获取配额使用排行处理器。
+/// </summary>
+public sealed class GetQuotaUsageRankingQueryHandler(IStatisticsRepository statisticsRepository)
+    : IRequestHandler<GetQuotaUsageRankingQuery, QuotaUsageRankingDto>
+{
+    /// <inheritdoc />
+    public async Task<QuotaUsageRankingDto> Handle(GetQuotaUsageRankingQuery request, CancellationToken cancellationToken)
+    {
+        // 查询指定类型的配额使用排行
+        var items = await statisticsRepository.GetQuotaUsageRankingAsync(
+            request.QuotaType,
+            request.TopN,
+            cancellationToken);
+
+        // 映射为 DTO
+        var rankings = items.Select(x => new QuotaUsageRankItem
+        {
+            TenantId = x.TenantId.ToString(),
+            TenantName = x.TenantName,
+            UsedValue = x.UsedValue,
+            LimitValue = x.LimitValue,
+            UsagePercentage = x.UsagePercentage
+        }).ToList();
+
+        return new QuotaUsageRankingDto
+        {
+            QuotaType = request.QuotaType,
+            Rankings = rankings
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetRevenueStatisticsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetRevenueStatisticsQueryHandler.cs
new file mode 100644
index 0000000..55cee9f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetRevenueStatisticsQueryHandler.cs
@@ -0,0 +1,71 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+using TakeoutSaaS.Application.App.Statistics.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Statistics.Handlers;
+
+/// <summary>
+/// 获取收入统计处理器。
+/// </summary>
+public sealed class GetRevenueStatisticsQueryHandler(IStatisticsRepository statisticsRepository)
+    : IRequestHandler<GetRevenueStatisticsQuery, RevenueStatisticsDto>
+{
+    /// <inheritdoc />
+    public async Task<RevenueStatisticsDto> Handle(GetRevenueStatisticsQuery request, CancellationToken cancellationToken)
+    {
+        var now = DateTime.UtcNow;
+        var currentMonth = new DateTime(now.Year, now.Month, 1);
+        var currentQuarter = GetQuarterStart(now);
+        var startMonth = currentMonth.AddMonths(-request.MonthsCount + 1);
+
+        // 查询所有已付款的账单
+        var bills = await statisticsRepository.GetPaidBillsAsync(cancellationToken);
+
+        // 总收入
+        var totalRevenue = bills.Sum(b => b.AmountPaid);
+
+        // 本月收入
+        var monthlyRevenue = bills
+            .Where(b => b.PeriodStart >= currentMonth)
+            .Sum(b => b.AmountPaid);
+
+        // 本季度收入
+        var quarterlyRevenue = bills
+            .Where(b => b.PeriodStart >= currentQuarter)
+            .Sum(b => b.AmountPaid);
+
+        // 月度收入明细
+        var monthlyDetails = bills
+            .Where(b => b.PeriodStart >= startMonth)
+            .GroupBy(b => new { b.PeriodStart.Year, b.PeriodStart.Month })
+            .Select(g => new MonthlyRevenueItem
+            {
+                Year = g.Key.Year,
+                Month = g.Key.Month,
+                Amount = g.Sum(b => b.AmountPaid),
+                BillCount = g.Count()
+            })
+            .OrderBy(m => m.Year)
+            .ThenBy(m => m.Month)
+            .ToList();
+
+        return new RevenueStatisticsDto
+        {
+            TotalRevenue = totalRevenue,
+            MonthlyRevenue = monthlyRevenue,
+            QuarterlyRevenue = quarterlyRevenue,
+            MonthlyDetails = monthlyDetails
+        };
+    }
+
+    /// <summary>
+    /// 获取季度开始时间。
+    /// </summary>
+    private static DateTime GetQuarterStart(DateTime date)
+    {
+        var quarter = (date.Month - 1) / 3;
+        var quarterStartMonth = quarter * 3 + 1;
+        return new DateTime(date.Year, quarterStartMonth, 1);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetSubscriptionOverviewQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetSubscriptionOverviewQueryHandler.cs
new file mode 100644
index 0000000..054044b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Handlers/GetSubscriptionOverviewQueryHandler.cs
@@ -0,0 +1,49 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+using TakeoutSaaS.Application.App.Statistics.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Statistics.Handlers;
+
+/// <summary>
+/// 获取订阅概览统计处理器。
+/// </summary>
+public sealed class GetSubscriptionOverviewQueryHandler(IStatisticsRepository statisticsRepository)
+    : IRequestHandler<GetSubscriptionOverviewQuery, SubscriptionOverviewDto>
+{
+    /// <inheritdoc />
+    public async Task<SubscriptionOverviewDto> Handle(GetSubscriptionOverviewQuery request, CancellationToken cancellationToken)
+    {
+        var now = DateTime.UtcNow;
+        var in7Days = now.AddDays(7);
+        var in3Days = now.AddDays(3);
+        var in1Day = now.AddDays(1);
+
+        // 查询所有订阅
+        var subscriptions = await statisticsRepository.GetAllSubscriptionsAsync(cancellationToken);
+
+        // 统计各项数据
+        var overview = new SubscriptionOverviewDto
+        {
+            TotalActive = subscriptions.Count(s => s.Status == SubscriptionStatus.Active),
+            ExpiringIn7Days = subscriptions.Count(s =>
+                s.Status == SubscriptionStatus.Active &&
+                s.EffectiveTo >= now &&
+                s.EffectiveTo <= in7Days),
+            ExpiringIn3Days = subscriptions.Count(s =>
+                s.Status == SubscriptionStatus.Active &&
+                s.EffectiveTo >= now &&
+                s.EffectiveTo <= in3Days),
+            ExpiringIn1Day = subscriptions.Count(s =>
+                s.Status == SubscriptionStatus.Active &&
+                s.EffectiveTo >= now &&
+                s.EffectiveTo <= in1Day),
+            Expired = subscriptions.Count(s => s.Status == SubscriptionStatus.GracePeriod),
+            Pending = subscriptions.Count(s => s.Status == SubscriptionStatus.Pending),
+            Suspended = subscriptions.Count(s => s.Status == SubscriptionStatus.Suspended)
+        };
+
+        return overview;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetExpiringSubscriptionsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetExpiringSubscriptionsQuery.cs
new file mode 100644
index 0000000..3fcd2e6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetExpiringSubscriptionsQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+
+namespace TakeoutSaaS.Application.App.Statistics.Queries;
+
+/// <summary>
+/// 获取即将到期的订阅列表。
+/// </summary>
+public sealed record GetExpiringSubscriptionsQuery : IRequest<IReadOnlyList<ExpiringSubscriptionDto>>
+{
+    /// <summary>
+    /// 筛选天数，默认7天内到期。
+    /// </summary>
+    public int DaysAhead { get; init; } = 7;
+
+    /// <summary>
+    /// 是否只返回未开启自动续费的订阅。
+    /// </summary>
+    public bool OnlyWithoutAutoRenew { get; init; } = false;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetQuotaUsageRankingQuery.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetQuotaUsageRankingQuery.cs
new file mode 100644
index 0000000..af8d0cc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetQuotaUsageRankingQuery.cs
@@ -0,0 +1,21 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Statistics.Queries;
+
+/// <summary>
+/// 获取配额使用排行。
+/// </summary>
+public sealed record GetQuotaUsageRankingQuery : IRequest<QuotaUsageRankingDto>
+{
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 返回前N条记录，默认前10。
+    /// </summary>
+    public int TopN { get; init; } = 10;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetRevenueStatisticsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetRevenueStatisticsQuery.cs
new file mode 100644
index 0000000..bda07b6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetRevenueStatisticsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+
+namespace TakeoutSaaS.Application.App.Statistics.Queries;
+
+/// <summary>
+/// 获取收入统计。
+/// </summary>
+public sealed record GetRevenueStatisticsQuery : IRequest<RevenueStatisticsDto>
+{
+    /// <summary>
+    /// 统计月份数量，默认12个月。
+    /// </summary>
+    public int MonthsCount { get; init; } = 12;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetSubscriptionOverviewQuery.cs b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetSubscriptionOverviewQuery.cs
new file mode 100644
index 0000000..68b356a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Statistics/Queries/GetSubscriptionOverviewQuery.cs
@@ -0,0 +1,11 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Statistics.Dto;
+
+namespace TakeoutSaaS.Application.App.Statistics.Queries;
+
+/// <summary>
+/// 获取订阅概览统计。
+/// </summary>
+public sealed record GetSubscriptionOverviewQuery : IRequest<SubscriptionOverviewDto>
+{
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/BatchUpdateBusinessHoursCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/BatchUpdateBusinessHoursCommand.cs
new file mode 100644
index 0000000..2f4b50b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/BatchUpdateBusinessHoursCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 批量更新营业时段命令。
+/// </summary>
+public sealed record BatchUpdateBusinessHoursCommand : IRequest<IReadOnlyList<StoreBusinessHourDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 营业时段集合。
+    /// </summary>
+    public IReadOnlyList<StoreBusinessHourInputDto> Items { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreBusinessHourCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreBusinessHourCommand.cs
new file mode 100644
index 0000000..345e990
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreBusinessHourCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建营业时段命令。
+/// </summary>
+public sealed record CreateStoreBusinessHourCommand : IRequest<StoreBusinessHourDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 星期几。
+    /// </summary>
+    public DayOfWeek DayOfWeek { get; init; }
+
+    /// <summary>
+    /// 时段类型。
+    /// </summary>
+    public BusinessHourType HourType { get; init; } = BusinessHourType.Normal;
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; init; }
+
+    /// <summary>
+    /// 容量限制。
+    /// </summary>
+    public int? CapacityLimit { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreDeliveryZoneCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreDeliveryZoneCommand.cs
new file mode 100644
index 0000000..af1af08
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreDeliveryZoneCommand.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建配送区域命令。
+/// </summary>
+public sealed record CreateStoreDeliveryZoneCommand : IRequest<StoreDeliveryZoneDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域名称。
+    /// </summary>
+    public string ZoneName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// GeoJSON。
+    /// </summary>
+    public string PolygonGeoJson { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 起送价。
+    /// </summary>
+    public decimal? MinimumOrderAmount { get; init; }
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal? DeliveryFee { get; init; }
+
+    /// <summary>
+    /// 预计分钟。
+    /// </summary>
+    public int? EstimatedMinutes { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; } = 100;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreEmployeeShiftCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreEmployeeShiftCommand.cs
new file mode 100644
index 0000000..2729a6f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreEmployeeShiftCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建员工排班命令。
+/// </summary>
+public sealed record CreateStoreEmployeeShiftCommand : IRequest<StoreEmployeeShiftDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 员工 ID。
+    /// </summary>
+    public long StaffId { get; init; }
+
+    /// <summary>
+    /// 班次日期。
+    /// </summary>
+    public DateTime ShiftDate { get; init; }
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; init; }
+
+    /// <summary>
+    /// 排班角色。
+    /// </summary>
+    public StaffRoleType RoleType { get; init; } = StaffRoleType.FrontDesk;
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreHolidayCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreHolidayCommand.cs
new file mode 100644
index 0000000..660eab2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreHolidayCommand.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建临时时段配置命令。
+/// </summary>
+public sealed record CreateStoreHolidayCommand : IRequest<StoreHolidayDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 开始日期。
+    /// </summary>
+    public DateTime Date { get; init; }
+
+    /// <summary>
+    /// 结束日期（可选）。
+    /// </summary>
+    public DateTime? EndDate { get; init; }
+
+    /// <summary>
+    /// 是否全天。
+    /// </summary>
+    public bool IsAllDay { get; init; } = true;
+
+    /// <summary>
+    /// 开始时间（IsAllDay=false 时必填）。
+    /// </summary>
+    public TimeSpan? StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间（IsAllDay=false 时必填）。
+    /// </summary>
+    public TimeSpan? EndTime { get; init; }
+
+    /// <summary>
+    /// 覆盖类型。
+    /// </summary>
+    public OverrideType OverrideType { get; init; } = OverrideType.Closed;
+
+    /// <summary>
+    /// 说明。
+    /// </summary>
+    public string? Reason { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStorePickupSlotCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStorePickupSlotCommand.cs
new file mode 100644
index 0000000..0de3fa9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStorePickupSlotCommand.cs
@@ -0,0 +1,50 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建自提档期命令。
+/// </summary>
+public sealed record CreateStorePickupSlotCommand : IRequest<StorePickupSlotDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; init; }
+
+    /// <summary>
+    /// 截单分钟。
+    /// </summary>
+    public int CutoffMinutes { get; init; } = 30;
+
+    /// <summary>
+    /// 容量。
+    /// </summary>
+    public int Capacity { get; init; }
+
+    /// <summary>
+    /// 适用星期。
+    /// </summary>
+    public string Weekdays { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreQualificationCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreQualificationCommand.cs
new file mode 100644
index 0000000..bf685c9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreQualificationCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建门店资质命令。
+/// </summary>
+public sealed record CreateStoreQualificationCommand : IRequest<StoreQualificationDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 资质类型。
+    /// </summary>
+    public StoreQualificationType QualificationType { get; init; }
+
+    /// <summary>
+    /// 证照文件 URL。
+    /// </summary>
+    public string FileUrl { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 证照编号。
+    /// </summary>
+    public string? DocumentNumber { get; init; }
+
+    /// <summary>
+    /// 签发日期。
+    /// </summary>
+    public DateOnly? IssuedAt { get; init; }
+
+    /// <summary>
+    /// 到期日期。
+    /// </summary>
+    public DateOnly? ExpiresAt { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; init; } = 100;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreStaffCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreStaffCommand.cs
new file mode 100644
index 0000000..26dce0d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreStaffCommand.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建门店员工命令。
+/// </summary>
+public sealed record CreateStoreStaffCommand : IRequest<StoreStaffDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 姓名。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 手机号。
+    /// </summary>
+    public string Phone { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 邮箱。
+    /// </summary>
+    public string? Email { get; init; }
+
+    /// <summary>
+    /// 角色。
+    /// </summary>
+    public StaffRoleType RoleType { get; init; } = StaffRoleType.FrontDesk;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreTableAreaCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreTableAreaCommand.cs
new file mode 100644
index 0000000..60511b4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/CreateStoreTableAreaCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 创建桌台区域命令。
+/// </summary>
+public sealed record CreateStoreTableAreaCommand : IRequest<StoreTableAreaDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 区域描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; init; } = 100;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreBusinessHourCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreBusinessHourCommand.cs
new file mode 100644
index 0000000..d101680
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreBusinessHourCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除营业时段命令。
+/// </summary>
+public sealed record DeleteStoreBusinessHourCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 营业时段 ID。
+    /// </summary>
+    public long BusinessHourId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreDeliveryZoneCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreDeliveryZoneCommand.cs
new file mode 100644
index 0000000..0e9e57d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreDeliveryZoneCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除配送区域命令。
+/// </summary>
+public sealed record DeleteStoreDeliveryZoneCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 配送区域 ID。
+    /// </summary>
+    public long DeliveryZoneId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreEmployeeShiftCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreEmployeeShiftCommand.cs
new file mode 100644
index 0000000..0e75d12
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreEmployeeShiftCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除员工排班命令。
+/// </summary>
+public sealed record DeleteStoreEmployeeShiftCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 排班 ID。
+    /// </summary>
+    public long ShiftId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreHolidayCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreHolidayCommand.cs
new file mode 100644
index 0000000..8e86eb8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreHolidayCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除节假日配置命令。
+/// </summary>
+public sealed record DeleteStoreHolidayCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 节假日 ID。
+    /// </summary>
+    public long HolidayId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStorePickupSlotCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStorePickupSlotCommand.cs
new file mode 100644
index 0000000..e1a80f5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStorePickupSlotCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除自提档期命令。
+/// </summary>
+public sealed record DeleteStorePickupSlotCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 档期 ID。
+    /// </summary>
+    public long SlotId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreQualificationCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreQualificationCommand.cs
new file mode 100644
index 0000000..59e954c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreQualificationCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除门店资质命令。
+/// </summary>
+public sealed record DeleteStoreQualificationCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 资质 ID。
+    /// </summary>
+    public long QualificationId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreStaffCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreStaffCommand.cs
new file mode 100644
index 0000000..6c9c94b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreStaffCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除门店员工命令。
+/// </summary>
+public sealed record DeleteStoreStaffCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 员工 ID。
+    /// </summary>
+    public long StaffId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreTableAreaCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreTableAreaCommand.cs
new file mode 100644
index 0000000..9f74c48
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreTableAreaCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除桌台区域命令。
+/// </summary>
+public sealed record DeleteStoreTableAreaCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域 ID。
+    /// </summary>
+    public long AreaId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreTableCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreTableCommand.cs
new file mode 100644
index 0000000..0480296
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/DeleteStoreTableCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 删除桌码命令。
+/// </summary>
+public sealed record DeleteStoreTableCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 桌台 ID。
+    /// </summary>
+    public long TableId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/GenerateStoreTablesCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/GenerateStoreTablesCommand.cs
new file mode 100644
index 0000000..4c10d56
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/GenerateStoreTablesCommand.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 批量生成桌码命令。
+/// </summary>
+public sealed record GenerateStoreTablesCommand : IRequest<IReadOnlyList<StoreTableDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 桌码前缀。
+    /// </summary>
+    public string TableCodePrefix { get; init; } = "T";
+
+    /// <summary>
+    /// 起始序号。
+    /// </summary>
+    public int StartNumber { get; init; } = 1;
+
+    /// <summary>
+    /// 生成数量。
+    /// </summary>
+    public int Count { get; init; }
+
+    /// <summary>
+    /// 默认容量。
+    /// </summary>
+    public int DefaultCapacity { get; init; } = 2;
+
+    /// <summary>
+    /// 区域 ID。
+    /// </summary>
+    public long? AreaId { get; init; }
+
+    /// <summary>
+    /// 标签。
+    /// </summary>
+    public string? Tags { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/SubmitStoreAuditCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/SubmitStoreAuditCommand.cs
new file mode 100644
index 0000000..3e9802b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/SubmitStoreAuditCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 提交门店审核命令。
+/// </summary>
+public sealed record SubmitStoreAuditCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/ToggleBusinessStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/ToggleBusinessStatusCommand.cs
new file mode 100644
index 0000000..000f677
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/ToggleBusinessStatusCommand.cs
@@ -0,0 +1,31 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 切换门店经营状态命令。
+/// </summary>
+public sealed record ToggleBusinessStatusCommand : IRequest<StoreDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 目标经营状态。
+    /// </summary>
+    public StoreBusinessStatus BusinessStatus { get; init; }
+
+    /// <summary>
+    /// 歇业原因。
+    /// </summary>
+    public StoreClosureReason? ClosureReason { get; init; }
+
+    /// <summary>
+    /// 歇业原因补充说明。
+    /// </summary>
+    public string? ClosureReasonText { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreBusinessHourCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreBusinessHourCommand.cs
new file mode 100644
index 0000000..7c13e2e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreBusinessHourCommand.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新营业时段命令。
+/// </summary>
+public sealed record UpdateStoreBusinessHourCommand : IRequest<StoreBusinessHourDto?>
+{
+    /// <summary>
+    /// 营业时段 ID。
+    /// </summary>
+    public long BusinessHourId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 星期几。
+    /// </summary>
+    public DayOfWeek DayOfWeek { get; init; }
+
+    /// <summary>
+    /// 时段类型。
+    /// </summary>
+    public BusinessHourType HourType { get; init; } = BusinessHourType.Normal;
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; init; }
+
+    /// <summary>
+    /// 容量限制。
+    /// </summary>
+    public int? CapacityLimit { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreDeliveryZoneCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreDeliveryZoneCommand.cs
new file mode 100644
index 0000000..e21ded5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreDeliveryZoneCommand.cs
@@ -0,0 +1,50 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新配送区域命令。
+/// </summary>
+public sealed record UpdateStoreDeliveryZoneCommand : IRequest<StoreDeliveryZoneDto?>
+{
+    /// <summary>
+    /// 配送区域 ID。
+    /// </summary>
+    public long DeliveryZoneId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域名称。
+    /// </summary>
+    public string ZoneName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// GeoJSON。
+    /// </summary>
+    public string PolygonGeoJson { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 起送价。
+    /// </summary>
+    public decimal? MinimumOrderAmount { get; init; }
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal? DeliveryFee { get; init; }
+
+    /// <summary>
+    /// 预计分钟。
+    /// </summary>
+    public int? EstimatedMinutes { get; init; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; init; } = 100;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreEmployeeShiftCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreEmployeeShiftCommand.cs
new file mode 100644
index 0000000..c1da376
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreEmployeeShiftCommand.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新员工排班命令。
+/// </summary>
+public sealed record UpdateStoreEmployeeShiftCommand : IRequest<StoreEmployeeShiftDto?>
+{
+    /// <summary>
+    /// 排班 ID。
+    /// </summary>
+    public long ShiftId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 员工 ID。
+    /// </summary>
+    public long StaffId { get; init; }
+
+    /// <summary>
+    /// 班次日期。
+    /// </summary>
+    public DateTime ShiftDate { get; init; }
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; init; }
+
+    /// <summary>
+    /// 排班角色。
+    /// </summary>
+    public StaffRoleType RoleType { get; init; } = StaffRoleType.FrontDesk;
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreFeeCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreFeeCommand.cs
new file mode 100644
index 0000000..8a64005
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreFeeCommand.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新门店费用配置命令。
+/// </summary>
+public sealed record UpdateStoreFeeCommand : IRequest<StoreFeeDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 起送费。
+    /// </summary>
+    public decimal MinimumOrderAmount { get; init; }
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal DeliveryFee { get; init; }
+
+    /// <summary>
+    /// 打包费模式。
+    /// </summary>
+    public PackagingFeeMode PackagingFeeMode { get; init; }
+
+    /// <summary>
+    /// 订单打包费规则。
+    /// </summary>
+    public OrderPackagingFeeMode OrderPackagingFeeMode { get; init; } = OrderPackagingFeeMode.Fixed;
+
+    /// <summary>
+    /// 固定打包费。
+    /// </summary>
+    public decimal? FixedPackagingFee { get; init; }
+
+    /// <summary>
+    /// 阶梯打包费配置。
+    /// </summary>
+    public IReadOnlyList<StoreFeeTierDto> PackagingFeeTiers { get; init; } = [];
+
+    /// <summary>
+    /// 免配送费门槛。
+    /// </summary>
+    public decimal? FreeDeliveryThreshold { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreHolidayCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreHolidayCommand.cs
new file mode 100644
index 0000000..4552a67
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreHolidayCommand.cs
@@ -0,0 +1,56 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新临时时段配置命令。
+/// </summary>
+public sealed record UpdateStoreHolidayCommand : IRequest<StoreHolidayDto?>
+{
+    /// <summary>
+    /// 节假日 ID。
+    /// </summary>
+    public long HolidayId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 开始日期。
+    /// </summary>
+    public DateTime Date { get; init; }
+
+    /// <summary>
+    /// 结束日期（可选）。
+    /// </summary>
+    public DateTime? EndDate { get; init; }
+
+    /// <summary>
+    /// 是否全天。
+    /// </summary>
+    public bool IsAllDay { get; init; } = true;
+
+    /// <summary>
+    /// 开始时间（IsAllDay=false 时必填）。
+    /// </summary>
+    public TimeSpan? StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间（IsAllDay=false 时必填）。
+    /// </summary>
+    public TimeSpan? EndTime { get; init; }
+
+    /// <summary>
+    /// 覆盖类型。
+    /// </summary>
+    public OverrideType OverrideType { get; init; } = OverrideType.Closed;
+
+    /// <summary>
+    /// 说明。
+    /// </summary>
+    public string? Reason { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStorePickupSlotCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStorePickupSlotCommand.cs
new file mode 100644
index 0000000..9505407
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStorePickupSlotCommand.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新自提档期命令。
+/// </summary>
+public sealed record UpdateStorePickupSlotCommand : IRequest<StorePickupSlotDto?>
+{
+    /// <summary>
+    /// 档期 ID。
+    /// </summary>
+    public long SlotId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 开始时间。
+    /// </summary>
+    public TimeSpan StartTime { get; init; }
+
+    /// <summary>
+    /// 结束时间。
+    /// </summary>
+    public TimeSpan EndTime { get; init; }
+
+    /// <summary>
+    /// 截单分钟。
+    /// </summary>
+    public int CutoffMinutes { get; init; }
+
+    /// <summary>
+    /// 容量。
+    /// </summary>
+    public int Capacity { get; init; }
+
+    /// <summary>
+    /// 适用星期。
+    /// </summary>
+    public string Weekdays { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreQualificationCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreQualificationCommand.cs
new file mode 100644
index 0000000..4bcda24
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreQualificationCommand.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新门店资质命令。
+/// </summary>
+public sealed record UpdateStoreQualificationCommand : IRequest<StoreQualificationDto?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 资质 ID。
+    /// </summary>
+    public long QualificationId { get; init; }
+
+    /// <summary>
+    /// 证照文件 URL。
+    /// </summary>
+    public string? FileUrl { get; init; }
+
+    /// <summary>
+    /// 证照编号。
+    /// </summary>
+    public string? DocumentNumber { get; init; }
+
+    /// <summary>
+    /// 签发日期。
+    /// </summary>
+    public DateOnly? IssuedAt { get; init; }
+
+    /// <summary>
+    /// 到期日期。
+    /// </summary>
+    public DateOnly? ExpiresAt { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int? SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreStaffCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreStaffCommand.cs
new file mode 100644
index 0000000..335a9cf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreStaffCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新门店员工命令。
+/// </summary>
+public sealed record UpdateStoreStaffCommand : IRequest<StoreStaffDto?>
+{
+    /// <summary>
+    /// 员工 ID。
+    /// </summary>
+    public long StaffId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 姓名。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 手机号。
+    /// </summary>
+    public string Phone { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 邮箱。
+    /// </summary>
+    public string? Email { get; init; }
+
+    /// <summary>
+    /// 角色。
+    /// </summary>
+    public StaffRoleType RoleType { get; init; } = StaffRoleType.FrontDesk;
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public StaffStatus Status { get; init; } = StaffStatus.Active;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreTableAreaCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreTableAreaCommand.cs
new file mode 100644
index 0000000..b113491
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreTableAreaCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新桌台区域命令。
+/// </summary>
+public sealed record UpdateStoreTableAreaCommand : IRequest<StoreTableAreaDto?>
+{
+    /// <summary>
+    /// 区域 ID。
+    /// </summary>
+    public long AreaId { get; init; }
+
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 区域描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; init; } = 100;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreTableCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreTableCommand.cs
new file mode 100644
index 0000000..d93e92c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpdateStoreTableCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 更新桌码命令。
+/// </summary>
+public sealed record UpdateStoreTableCommand : IRequest<StoreTableDto?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 桌台 ID。
+    /// </summary>
+    public long TableId { get; init; }
+
+    /// <summary>
+    /// 区域 ID。
+    /// </summary>
+    public long? AreaId { get; init; }
+
+    /// <summary>
+    /// 桌码。
+    /// </summary>
+    public string TableCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 容量。
+    /// </summary>
+    public int Capacity { get; init; }
+
+    /// <summary>
+    /// 标签。
+    /// </summary>
+    public string? Tags { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public StoreTableStatus Status { get; init; } = StoreTableStatus.Idle;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpsertStorePickupSettingCommand.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpsertStorePickupSettingCommand.cs
new file mode 100644
index 0000000..4822b8f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Commands/UpsertStorePickupSettingCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Commands;
+
+/// <summary>
+/// 新增或更新自提配置命令。
+/// </summary>
+public sealed record UpsertStorePickupSettingCommand : IRequest<StorePickupSettingDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 是否允许当天。
+    /// </summary>
+    public bool AllowToday { get; init; } = true;
+
+    /// <summary>
+    /// 可预约天数。
+    /// </summary>
+    public int AllowDaysAhead { get; init; } = 3;
+
+    /// <summary>
+    /// 默认截单分钟。
+    /// </summary>
+    public int DefaultCutoffMinutes { get; init; } = 30;
+
+    /// <summary>
+    /// 单笔最大份数。
+    /// </summary>
+    public int? MaxQuantityPerOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/BatchUpdateBusinessHoursCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/BatchUpdateBusinessHoursCommandHandler.cs
new file mode 100644
index 0000000..af80664
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/BatchUpdateBusinessHoursCommandHandler.cs
@@ -0,0 +1,75 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Validators;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 批量更新营业时段处理器。
+/// </summary>
+public sealed class BatchUpdateBusinessHoursCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<BatchUpdateBusinessHoursCommandHandler> logger)
+    : IRequestHandler<BatchUpdateBusinessHoursCommand, IReadOnlyList<StoreBusinessHourDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreBusinessHourDto>> Handle(BatchUpdateBusinessHoursCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+        var storeTenantId = store.TenantId;
+
+        // 2. (空行后) 校验时段重叠
+        var overlapError = BusinessHourValidators.ValidateOverlap(request.Items);
+        if (!string.IsNullOrWhiteSpace(overlapError))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, overlapError);
+        }
+
+        // 3. (空行后) 删除旧时段
+        var existingHours = await storeRepository.GetBusinessHoursAsync(request.StoreId, storeTenantId, cancellationToken);
+        foreach (var hour in existingHours)
+        {
+            await storeRepository.DeleteBusinessHourAsync(hour.Id, storeTenantId, cancellationToken);
+        }
+
+        // 4. (空行后) 新增时段配置
+        if (request.Items.Count > 0)
+        {
+            var hours = request.Items.Select(item => new StoreBusinessHour
+            {
+                TenantId = storeTenantId,
+                StoreId = request.StoreId,
+                DayOfWeek = item.DayOfWeek,
+                HourType = item.HourType,
+                StartTime = item.StartTime,
+                EndTime = item.EndTime,
+                CapacityLimit = item.CapacityLimit,
+                Notes = item.Notes?.Trim()
+            }).ToList();
+
+            await storeRepository.AddBusinessHoursAsync(hours, cancellationToken);
+        }
+
+        // 5. (空行后) 保存并返回结果
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("批量更新门店营业时段 {StoreId}", request.StoreId);
+
+        var refreshed = await storeRepository.GetBusinessHoursAsync(request.StoreId, storeTenantId, cancellationToken);
+        return refreshed.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CalculateStoreFeeQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CalculateStoreFeeQueryHandler.cs
new file mode 100644
index 0000000..c45603b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CalculateStoreFeeQueryHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 门店费用预览查询处理器。
+/// </summary>
+public sealed class CalculateStoreFeeQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    IStoreFeeCalculationService feeCalculationService)
+    : IRequestHandler<CalculateStoreFeeQuery, StoreFeeCalculationResultDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreFeeCalculationResultDto> Handle(CalculateStoreFeeQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 获取费用配置
+        var fee = await storeRepository.GetStoreFeeAsync(request.StoreId, tenantId, cancellationToken)
+                  ?? new StoreFee
+                  {
+                      StoreId = request.StoreId,
+                      MinimumOrderAmount = 0m,
+                      BaseDeliveryFee = 0m,
+                      PackagingFeeMode = PackagingFeeMode.Fixed,
+                      OrderPackagingFeeMode = OrderPackagingFeeMode.Fixed,
+                      FixedPackagingFee = 0m
+                  };
+
+        // 3. (空行后) 执行费用计算
+        var calculationRequest = new StoreFeeCalculationRequestDto
+        {
+            OrderAmount = request.OrderAmount,
+            ItemCount = request.ItemCount,
+            Items = request.Items
+        };
+        return feeCalculationService.Calculate(fee, calculationRequest);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CheckStoreDeliveryZoneQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CheckStoreDeliveryZoneQueryHandler.cs
new file mode 100644
index 0000000..be01143
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CheckStoreDeliveryZoneQueryHandler.cs
@@ -0,0 +1,60 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 配送范围检测查询处理器。
+/// </summary>
+public sealed class CheckStoreDeliveryZoneQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    IDeliveryZoneService deliveryZoneService)
+    : IRequestHandler<CheckStoreDeliveryZoneQuery, StoreDeliveryCheckResultDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreDeliveryCheckResultDto> Handle(CheckStoreDeliveryZoneQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 执行配送范围判断
+        var zones = await storeRepository.GetDeliveryZonesAsync(request.StoreId, tenantId, cancellationToken);
+        var result = deliveryZoneService.CheckPointInZones(zones, request.Longitude, request.Latitude);
+
+        // 3. (空行后) 计算距离
+        if (store.Longitude.HasValue && store.Latitude.HasValue)
+        {
+            var distance = CalculateDistanceKm(store.Latitude.Value, store.Longitude.Value, request.Latitude, request.Longitude);
+            result = result with { Distance = (decimal)Math.Round(distance, 2, MidpointRounding.AwayFromZero) };
+        }
+        return result;
+    }
+
+    private static double CalculateDistanceKm(double latitude1, double longitude1, double latitude2, double longitude2)
+    {
+        const double earthRadius = 6371000d;
+        var latRad1 = DegreesToRadians(latitude1);
+        var latRad2 = DegreesToRadians(latitude2);
+        var deltaLat = DegreesToRadians(latitude2 - latitude1);
+        var deltaLon = DegreesToRadians(longitude2 - longitude1);
+        var sinLat = Math.Sin(deltaLat / 2);
+        var sinLon = Math.Sin(deltaLon / 2);
+        var a = sinLat * sinLat + Math.Cos(latRad1) * Math.Cos(latRad2) * sinLon * sinLon;
+        var c = 2 * Math.Asin(Math.Min(1, Math.Sqrt(a)));
+        return earthRadius * c / 1000d;
+    }
+
+    private static double DegreesToRadians(double degrees) => degrees * (Math.PI / 180d);
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CheckStoreQualificationsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CheckStoreQualificationsQueryHandler.cs
new file mode 100644
index 0000000..11dad7b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CheckStoreQualificationsQueryHandler.cs
@@ -0,0 +1,133 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 门店资质完整性检查处理器。
+/// </summary>
+public sealed class CheckStoreQualificationsQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<CheckStoreQualificationsQuery, StoreQualificationCheckResultDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreQualificationCheckResultDto> Handle(CheckStoreQualificationsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 同主体门店默认视为完整
+        if (store.OwnershipType == StoreOwnershipType.SameEntity)
+        {
+            return new StoreQualificationCheckResultDto
+            {
+                IsComplete = true,
+                CanSubmitAudit = true
+            };
+        }
+
+        // 3. (空行后) 读取资质列表并统计
+        var qualifications = await storeRepository.GetQualificationsAsync(request.StoreId, tenantId, cancellationToken);
+        var grouped = qualifications
+            .GroupBy(x => x.QualificationType)
+            .ToDictionary(x => x.Key, x => x.ToList());
+
+        var expiredCount = qualifications.Count(x => x.IsExpired);
+        var expiringSoonCount = qualifications.Count(x => x.IsExpiringSoon);
+
+        var foodStats = BuildRequirement(grouped, StoreQualificationType.FoodServiceLicense, true);
+        var businessStats = BuildRequirement(grouped, StoreQualificationType.BusinessLicense, true);
+        var storefrontStats = BuildRequirement(grouped, StoreQualificationType.StorefrontPhoto, true);
+        var interiorStats = BuildInteriorRequirement(grouped);
+
+        var hasLicense = foodStats.IsValid || businessStats.IsValid;
+        var hasStorefront = storefrontStats.IsValid;
+        var hasInterior = interiorStats.IsValid;
+
+        var missingTypes = new List<string>();
+        if (!hasLicense)
+        {
+            missingTypes.Add("营业执照/食品经营许可证");
+        }
+
+        if (!hasStorefront)
+        {
+            missingTypes.Add("门头实景照");
+        }
+
+        if (!hasInterior)
+        {
+            missingTypes.Add("店内环境照(至少2张)");
+        }
+
+        var warnings = missingTypes.Count == 0
+            ? Array.Empty<string>()
+            : missingTypes.Select(type => $"缺少必要资质：{type}").ToArray();
+
+        // 4. (空行后) 组装结果
+        var requirements = new List<StoreQualificationRequirementDto>
+        {
+            foodStats,
+            businessStats,
+            storefrontStats,
+            interiorStats
+        };
+
+        var isComplete = hasLicense && hasStorefront && hasInterior;
+        return new StoreQualificationCheckResultDto
+        {
+            IsComplete = isComplete,
+            CanSubmitAudit = isComplete,
+            RequiredTypes = requirements,
+            ExpiringSoonCount = expiringSoonCount,
+            ExpiredCount = expiredCount,
+            MissingTypes = missingTypes,
+            Warnings = warnings
+        };
+    }
+
+    private static StoreQualificationRequirementDto BuildRequirement(
+        IReadOnlyDictionary<StoreQualificationType, List<Domain.Stores.Entities.StoreQualification>> grouped,
+        StoreQualificationType type,
+        bool required)
+    {
+        var list = grouped.TryGetValue(type, out var items) ? items : [];
+        var hasUploaded = list.Count > 0;
+        var hasValid = list.Any(item => !item.IsExpired);
+        return new StoreQualificationRequirementDto
+        {
+            QualificationType = type,
+            IsRequired = required,
+            IsUploaded = hasUploaded,
+            IsValid = hasValid,
+            UploadedCount = list.Count
+        };
+    }
+
+    private static StoreQualificationRequirementDto BuildInteriorRequirement(
+        IReadOnlyDictionary<StoreQualificationType, List<Domain.Stores.Entities.StoreQualification>> grouped)
+    {
+        var list = grouped.TryGetValue(StoreQualificationType.InteriorPhoto, out var items) ? items : [];
+        var validCount = list.Count(item => !item.IsExpired);
+        return new StoreQualificationRequirementDto
+        {
+            QualificationType = StoreQualificationType.InteriorPhoto,
+            IsRequired = true,
+            IsUploaded = list.Count > 0,
+            IsValid = validCount >= 2,
+            UploadedCount = list.Count
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreBusinessHourCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreBusinessHourCommandHandler.cs
new file mode 100644
index 0000000..9b474b3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreBusinessHourCommandHandler.cs
@@ -0,0 +1,57 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建营业时段处理器。
+/// </summary>
+public sealed class CreateStoreBusinessHourCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStoreBusinessHourCommandHandler> logger)
+    : IRequestHandler<CreateStoreBusinessHourCommand, StoreBusinessHourDto>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<CreateStoreBusinessHourCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<StoreBusinessHourDto> Handle(CreateStoreBusinessHourCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var store = await _storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 构建实体
+        var hour = new StoreBusinessHour
+        {
+            StoreId = request.StoreId,
+            DayOfWeek = request.DayOfWeek,
+            HourType = request.HourType,
+            StartTime = request.StartTime,
+            EndTime = request.EndTime,
+            CapacityLimit = request.CapacityLimit,
+            Notes = request.Notes?.Trim()
+        };
+
+        // 3. 持久化
+        await _storeRepository.AddBusinessHoursAsync(new[] { hour }, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("创建营业时段 {BusinessHourId} 对应门店 {StoreId}", hour.Id, request.StoreId);
+
+        // 4. 返回 DTO
+        return StoreMapping.ToDto(hour);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreDeliveryZoneCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreDeliveryZoneCommandHandler.cs
new file mode 100644
index 0000000..db6a1b7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreDeliveryZoneCommandHandler.cs
@@ -0,0 +1,65 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建配送区域处理器。
+/// </summary>
+public sealed class CreateStoreDeliveryZoneCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    IGeoJsonValidationService geoJsonValidationService,
+    ILogger<CreateStoreDeliveryZoneCommandHandler> logger)
+    : IRequestHandler<CreateStoreDeliveryZoneCommand, StoreDeliveryZoneDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreDeliveryZoneDto> Handle(CreateStoreDeliveryZoneCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+        var storeTenantId = store.TenantId;
+
+        // 2. (空行后) 校验 GeoJSON
+        var validation = geoJsonValidationService.ValidatePolygon(request.PolygonGeoJson);
+        if (!validation.IsValid)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, validation.ErrorMessage ?? "配送范围格式错误");
+        }
+
+        // 3. (空行后) 构建实体
+        var zone = new StoreDeliveryZone
+        {
+            TenantId = storeTenantId,
+            StoreId = request.StoreId,
+            ZoneName = request.ZoneName.Trim(),
+            PolygonGeoJson = (validation.NormalizedGeoJson ?? request.PolygonGeoJson).Trim(),
+            MinimumOrderAmount = request.MinimumOrderAmount,
+            DeliveryFee = request.DeliveryFee,
+            EstimatedMinutes = request.EstimatedMinutes,
+            SortOrder = request.SortOrder
+        };
+
+        // 4. (空行后) 持久化
+        await storeRepository.AddDeliveryZonesAsync(new[] { zone }, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("创建配送区域 {DeliveryZoneId} 对应门店 {StoreId}", zone.Id, request.StoreId);
+
+        // 5. (空行后) 返回 DTO
+        return StoreMapping.ToDto(zone);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreEmployeeShiftCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreEmployeeShiftCommandHandler.cs
new file mode 100644
index 0000000..b47af84
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreEmployeeShiftCommandHandler.cs
@@ -0,0 +1,72 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建排班处理器。
+/// </summary>
+public sealed class CreateStoreEmployeeShiftCommandHandler(
+    IStoreRepository storeRepository,
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStoreEmployeeShiftCommandHandler> logger)
+    : IRequestHandler<CreateStoreEmployeeShiftCommand, StoreEmployeeShiftDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreEmployeeShiftDto> Handle(CreateStoreEmployeeShiftCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 校验员工归属与状态
+        var staff = await merchantRepository.FindStaffByIdAsync(request.StaffId, tenantId, cancellationToken);
+        if (staff is null || (staff.StoreId.HasValue && staff.StoreId != request.StoreId))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "员工不存在或不属于该门店");
+        }
+
+        // 3. 校验日期与冲突
+        var from = request.ShiftDate.Date;
+        var to = request.ShiftDate.Date;
+        var shifts = await storeRepository.GetShiftsAsync(request.StoreId, tenantId, from, to, cancellationToken);
+        var hasConflict = shifts.Any(x => x.StaffId == request.StaffId && x.ShiftDate == request.ShiftDate);
+        if (hasConflict)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "该员工当日已存在排班");
+        }
+
+        // 4. 构建实体
+        var shift = new StoreEmployeeShift
+        {
+            StoreId = request.StoreId,
+            StaffId = request.StaffId,
+            ShiftDate = request.ShiftDate.Date,
+            StartTime = request.StartTime,
+            EndTime = request.EndTime,
+            RoleType = request.RoleType,
+            Notes = request.Notes?.Trim()
+        };
+
+        // 5. 持久化
+        await storeRepository.AddShiftsAsync(new[] { shift }, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("创建排班 {ShiftId} 员工 {StaffId} 门店 {StoreId}", shift.Id, shift.StaffId, shift.StoreId);
+
+        // 6. 返回 DTO
+        return StoreMapping.ToDto(shift);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreHolidayCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreHolidayCommandHandler.cs
new file mode 100644
index 0000000..a3088ce
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreHolidayCommandHandler.cs
@@ -0,0 +1,73 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建节假日配置处理器。
+/// </summary>
+public sealed class CreateStoreHolidayCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStoreHolidayCommandHandler> logger)
+    : IRequestHandler<CreateStoreHolidayCommand, StoreHolidayDto>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<CreateStoreHolidayCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<StoreHolidayDto> Handle(CreateStoreHolidayCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var store = await _storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+        var storeTenantId = store.TenantId;
+
+        // 2. 构建实体
+        var holiday = new StoreHoliday
+        {
+            TenantId = storeTenantId,
+            StoreId = request.StoreId,
+            Date = NormalizeToUtc(request.Date),
+            EndDate = request.EndDate.HasValue ? NormalizeToUtc(request.EndDate.Value) : null,
+            IsAllDay = request.IsAllDay,
+            StartTime = request.StartTime,
+            EndTime = request.EndTime,
+            OverrideType = request.OverrideType,
+            IsClosed = request.OverrideType == OverrideType.Closed,
+            Reason = request.Reason?.Trim()
+        };
+
+        // 3. 持久化
+        await _storeRepository.AddHolidaysAsync(new[] { holiday }, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("创建节假日 {HolidayId} 对应门店 {StoreId}", holiday.Id, request.StoreId);
+
+        // 4. 返回 DTO
+        return StoreMapping.ToDto(holiday);
+    }
+
+    private static DateTime NormalizeToUtc(DateTime value)
+    {
+        return value.Kind switch
+        {
+            DateTimeKind.Utc => value,
+            DateTimeKind.Local => value.ToUniversalTime(),
+            _ => DateTime.SpecifyKind(value, DateTimeKind.Utc)
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStorePickupSlotCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStorePickupSlotCommandHandler.cs
new file mode 100644
index 0000000..9454424
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStorePickupSlotCommandHandler.cs
@@ -0,0 +1,64 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建自提档期处理器。
+/// </summary>
+public sealed class CreateStorePickupSlotCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStorePickupSlotCommandHandler> logger)
+    : IRequestHandler<CreateStorePickupSlotCommand, StorePickupSlotDto>
+{
+    /// <inheritdoc />
+    public async Task<StorePickupSlotDto> Handle(CreateStorePickupSlotCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 新建档期
+        var slot = new StorePickupSlot
+        {
+            TenantId = tenantId,
+            StoreId = request.StoreId,
+            Name = request.Name.Trim(),
+            StartTime = request.StartTime,
+            EndTime = request.EndTime,
+            CutoffMinutes = request.CutoffMinutes,
+            Capacity = request.Capacity,
+            ReservedCount = 0,
+            Weekdays = request.Weekdays,
+            IsEnabled = request.IsEnabled
+        };
+        await storeRepository.AddPickupSlotsAsync(new[] { slot }, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("创建自提档期 {SlotId} for store {StoreId}", slot.Id, request.StoreId);
+        return new StorePickupSlotDto
+        {
+            Id = slot.Id,
+            StoreId = slot.StoreId,
+            Name = slot.Name,
+            StartTime = slot.StartTime,
+            EndTime = slot.EndTime,
+            CutoffMinutes = slot.CutoffMinutes,
+            Capacity = slot.Capacity,
+            ReservedCount = slot.ReservedCount,
+            Weekdays = slot.Weekdays,
+            IsEnabled = slot.IsEnabled
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreQualificationCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreQualificationCommandHandler.cs
new file mode 100644
index 0000000..6f4ebd5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreQualificationCommandHandler.cs
@@ -0,0 +1,85 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建门店资质处理器。
+/// </summary>
+public sealed class CreateStoreQualificationCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStoreQualificationCommandHandler> logger)
+    : IRequestHandler<CreateStoreQualificationCommand, StoreQualificationDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreQualificationDto> Handle(CreateStoreQualificationCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 审核中门店禁止修改资质
+        if (store.AuditStatus == StoreAuditStatus.Pending)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店审核中，无法修改资质");
+        }
+
+        // 3. (空行后) 检查是否需要替换同类型记录
+        var qualifications = await storeRepository.GetQualificationsAsync(request.StoreId, tenantId, cancellationToken);
+        var shouldReplace = ShouldReplace(request.QualificationType);
+        var existing = shouldReplace
+            ? qualifications.FirstOrDefault(x => x.QualificationType == request.QualificationType)
+            : null;
+
+        // 4. (空行后) 构建或更新资质实体
+        if (existing is null)
+        {
+            existing = new StoreQualification
+            {
+                StoreId = request.StoreId,
+                QualificationType = request.QualificationType,
+                FileUrl = request.FileUrl.Trim(),
+                DocumentNumber = request.DocumentNumber?.Trim(),
+                IssuedAt = request.IssuedAt,
+                ExpiresAt = request.ExpiresAt,
+                SortOrder = request.SortOrder
+            };
+
+            await storeRepository.AddQualificationAsync(existing, cancellationToken);
+        }
+        else
+        {
+            existing.FileUrl = request.FileUrl.Trim();
+            existing.DocumentNumber = request.DocumentNumber?.Trim();
+            existing.IssuedAt = request.IssuedAt;
+            existing.ExpiresAt = request.ExpiresAt;
+            existing.SortOrder = request.SortOrder;
+
+            await storeRepository.UpdateQualificationAsync(existing, cancellationToken);
+        }
+
+        // 5. (空行后) 保存变更并返回结果
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新门店资质 {QualificationId} 对应门店 {StoreId}", existing.Id, request.StoreId);
+
+        return StoreMapping.ToDto(existing);
+    }
+
+    private static bool ShouldReplace(StoreQualificationType type)
+        => type is StoreQualificationType.BusinessLicense
+            or StoreQualificationType.FoodServiceLicense
+            or StoreQualificationType.StorefrontPhoto;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreStaffCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreStaffCommandHandler.cs
new file mode 100644
index 0000000..5ae4974
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreStaffCommandHandler.cs
@@ -0,0 +1,56 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建门店员工处理器。
+/// </summary>
+public sealed class CreateStoreStaffCommandHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStoreStaffCommandHandler> logger)
+    : IRequestHandler<CreateStoreStaffCommand, StoreStaffDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreStaffDto> Handle(CreateStoreStaffCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 组装员工
+        var staff = new MerchantStaff
+        {
+            MerchantId = store.MerchantId,
+            StoreId = request.StoreId,
+            Name = request.Name.Trim(),
+            Phone = request.Phone.Trim(),
+            Email = request.Email?.Trim(),
+            RoleType = request.RoleType,
+            Status = StaffStatus.Active
+        };
+
+        // 3. 持久化
+        await merchantRepository.AddStaffAsync(staff, cancellationToken);
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("创建门店员工 {StaffId} 门店 {StoreId}", staff.Id, request.StoreId);
+
+        // 4. 返回 DTO
+        return StoreMapping.ToDto(staff);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreTableAreaCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreTableAreaCommandHandler.cs
new file mode 100644
index 0000000..4999f4f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/CreateStoreTableAreaCommandHandler.cs
@@ -0,0 +1,58 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 创建桌台区域处理器。
+/// </summary>
+public sealed class CreateStoreTableAreaCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<CreateStoreTableAreaCommandHandler> logger)
+    : IRequestHandler<CreateStoreTableAreaCommand, StoreTableAreaDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreTableAreaDto> Handle(CreateStoreTableAreaCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 校验区域名称唯一
+        var existingAreas = await storeRepository.GetTableAreasAsync(request.StoreId, tenantId, cancellationToken);
+        var hasDuplicate = existingAreas.Any(x => x.Name.Equals(request.Name, StringComparison.OrdinalIgnoreCase));
+        if (hasDuplicate)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "区域名称已存在");
+        }
+
+        // 3. 构建实体
+        var area = new StoreTableArea
+        {
+            StoreId = request.StoreId,
+            Name = request.Name.Trim(),
+            Description = request.Description?.Trim(),
+            SortOrder = request.SortOrder
+        };
+
+        // 4. 持久化
+        await storeRepository.AddTableAreasAsync(new[] { area }, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("创建桌台区域 {AreaId} 对应门店 {StoreId}", area.Id, request.StoreId);
+
+        // 5. 返回 DTO
+        return StoreMapping.ToDto(area);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreBusinessHourCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreBusinessHourCommandHandler.cs
new file mode 100644
index 0000000..816cd88
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreBusinessHourCommandHandler.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除营业时段处理器。
+/// </summary>
+public sealed class DeleteStoreBusinessHourCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreBusinessHourCommandHandler> logger)
+    : IRequestHandler<DeleteStoreBusinessHourCommand, bool>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<DeleteStoreBusinessHourCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreBusinessHourCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取时段
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _storeRepository.FindBusinessHourByIdAsync(request.BusinessHourId, tenantId, cancellationToken);
+        if (existing is null)
+        {
+            return false;
+        }
+
+        // 2. 校验门店归属
+        if (existing.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 3. 删除
+        await _storeRepository.DeleteBusinessHourAsync(request.BusinessHourId, tenantId, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("删除营业时段 {BusinessHourId} 对应门店 {StoreId}", request.BusinessHourId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreDeliveryZoneCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreDeliveryZoneCommandHandler.cs
new file mode 100644
index 0000000..c7e7abb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreDeliveryZoneCommandHandler.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除配送区域处理器。
+/// </summary>
+public sealed class DeleteStoreDeliveryZoneCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreDeliveryZoneCommandHandler> logger)
+    : IRequestHandler<DeleteStoreDeliveryZoneCommand, bool>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<DeleteStoreDeliveryZoneCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreDeliveryZoneCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取区域
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _storeRepository.FindDeliveryZoneByIdAsync(request.DeliveryZoneId, tenantId, cancellationToken);
+        if (existing is null)
+        {
+            return false;
+        }
+
+        // 2. 校验门店归属
+        if (existing.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 3. 删除
+        await _storeRepository.DeleteDeliveryZoneAsync(request.DeliveryZoneId, tenantId, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("删除配送区域 {DeliveryZoneId} 对应门店 {StoreId}", request.DeliveryZoneId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreEmployeeShiftCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreEmployeeShiftCommandHandler.cs
new file mode 100644
index 0000000..d29a555
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreEmployeeShiftCommandHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除排班处理器。
+/// </summary>
+public sealed class DeleteStoreEmployeeShiftCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreEmployeeShiftCommandHandler> logger)
+    : IRequestHandler<DeleteStoreEmployeeShiftCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreEmployeeShiftCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取排班
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var shift = await storeRepository.FindShiftByIdAsync(request.ShiftId, tenantId, cancellationToken);
+        if (shift is null || shift.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 2. 删除
+        await storeRepository.DeleteShiftAsync(request.ShiftId, tenantId, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除排班 {ShiftId} 门店 {StoreId}", request.ShiftId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreHolidayCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreHolidayCommandHandler.cs
new file mode 100644
index 0000000..a262ffe
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreHolidayCommandHandler.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除节假日配置处理器。
+/// </summary>
+public sealed class DeleteStoreHolidayCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreHolidayCommandHandler> logger)
+    : IRequestHandler<DeleteStoreHolidayCommand, bool>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<DeleteStoreHolidayCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreHolidayCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取配置
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _storeRepository.FindHolidayByIdAsync(request.HolidayId, tenantId, cancellationToken);
+        if (existing is null)
+        {
+            return false;
+        }
+
+        // 2. 校验门店归属
+        if (existing.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 3. 删除
+        await _storeRepository.DeleteHolidayAsync(request.HolidayId, tenantId, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("删除节假日 {HolidayId} 对应门店 {StoreId}", request.HolidayId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStorePickupSlotCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStorePickupSlotCommandHandler.cs
new file mode 100644
index 0000000..c42e4d0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStorePickupSlotCommandHandler.cs
@@ -0,0 +1,28 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除自提档期处理器。
+/// </summary>
+public sealed class DeleteStorePickupSlotCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStorePickupSlotCommandHandler> logger)
+    : IRequestHandler<DeleteStorePickupSlotCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStorePickupSlotCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 删除档期
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        await storeRepository.DeletePickupSlotAsync(request.SlotId, tenantId, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除自提档期 {SlotId}", request.SlotId);
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreQualificationCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreQualificationCommandHandler.cs
new file mode 100644
index 0000000..0d3b662
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreQualificationCommandHandler.cs
@@ -0,0 +1,72 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除门店资质处理器。
+/// </summary>
+public sealed class DeleteStoreQualificationCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreQualificationCommandHandler> logger)
+    : IRequestHandler<DeleteStoreQualificationCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreQualificationCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 审核中门店禁止删除资质
+        if (store.AuditStatus == StoreAuditStatus.Pending)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店审核中，无法删除资质");
+        }
+
+        // 3. (空行后) 获取资质记录
+        var qualification = await storeRepository.FindQualificationByIdAsync(request.QualificationId, tenantId, cancellationToken);
+        if (qualification is null || qualification.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 4. (空行后) 已激活的外部门店必须保留必要资质
+        if (store.OwnershipType == StoreOwnershipType.DifferentEntity
+            && store.AuditStatus == StoreAuditStatus.Activated
+            && IsLicenseType(qualification.QualificationType))
+        {
+            var qualifications = await storeRepository.GetQualificationsAsync(request.StoreId, tenantId, cancellationToken);
+            var remainingValid = qualifications
+                .Where(item => IsLicenseType(item.QualificationType))
+                .Where(item => item.Id != qualification.Id && !item.IsExpired)
+                .ToList();
+
+            if (remainingValid.Count == 0)
+            {
+                throw new BusinessException(ErrorCodes.Forbidden, "不能删除必要资质");
+            }
+        }
+
+        // 5. (空行后) 执行删除
+        await storeRepository.DeleteQualificationAsync(request.QualificationId, tenantId, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除门店资质 {QualificationId} 对应门店 {StoreId}", qualification.Id, request.StoreId);
+
+        return true;
+    }
+
+    private static bool IsLicenseType(StoreQualificationType type)
+        => type is StoreQualificationType.BusinessLicense or StoreQualificationType.FoodServiceLicense;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreStaffCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreStaffCommandHandler.cs
new file mode 100644
index 0000000..5d438f8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreStaffCommandHandler.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除门店员工处理器。
+/// </summary>
+public sealed class DeleteStoreStaffCommandHandler(
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreStaffCommandHandler> logger)
+    : IRequestHandler<DeleteStoreStaffCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreStaffCommand request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var staff = await merchantRepository.FindStaffByIdAsync(request.StaffId, tenantId, cancellationToken);
+        if (staff is null || staff.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 逻辑删除未定义，直接物理删除
+        await merchantRepository.DeleteStaffAsync(staff.Id, tenantId, cancellationToken);
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除门店员工 {StaffId} 门店 {StoreId}", request.StaffId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreTableAreaCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreTableAreaCommandHandler.cs
new file mode 100644
index 0000000..48dad11
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreTableAreaCommandHandler.cs
@@ -0,0 +1,52 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除桌台区域处理器。
+/// </summary>
+public sealed class DeleteStoreTableAreaCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreTableAreaCommandHandler> logger)
+    : IRequestHandler<DeleteStoreTableAreaCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreTableAreaCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取区域
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var area = await storeRepository.FindTableAreaByIdAsync(request.AreaId, tenantId, cancellationToken);
+        if (area is null)
+        {
+            return false;
+        }
+
+        // 2. 校验门店归属
+        if (area.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 3. 校验区域下无桌码
+        var tables = await storeRepository.GetTablesAsync(request.StoreId, tenantId, cancellationToken);
+        var hasTable = tables.Any(x => x.AreaId == request.AreaId);
+        if (hasTable)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "区域下仍有桌码，无法删除");
+        }
+
+        // 4. 删除
+        await storeRepository.DeleteTableAreaAsync(request.AreaId, tenantId, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除桌台区域 {AreaId} 对应门店 {StoreId}", request.AreaId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreTableCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreTableCommandHandler.cs
new file mode 100644
index 0000000..9828253
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/DeleteStoreTableCommandHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 删除桌码处理器。
+/// </summary>
+public sealed class DeleteStoreTableCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<DeleteStoreTableCommandHandler> logger)
+    : IRequestHandler<DeleteStoreTableCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteStoreTableCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取桌码
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var table = await storeRepository.FindTableByIdAsync(request.TableId, tenantId, cancellationToken);
+        if (table is null || table.StoreId != request.StoreId)
+        {
+            return false;
+        }
+
+        // 2. 删除
+        await storeRepository.DeleteTableAsync(request.TableId, tenantId, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("删除桌码 {TableId} 对应门店 {StoreId}", request.TableId, request.StoreId);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ExportStoreTableQRCodesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ExportStoreTableQRCodesQueryHandler.cs
new file mode 100644
index 0000000..95ead70
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ExportStoreTableQRCodesQueryHandler.cs
@@ -0,0 +1,86 @@
+using System.IO.Compression;
+using System.Linq;
+using System.Text;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using QRCoder;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 导出桌码二维码处理器。
+/// </summary>
+public sealed class ExportStoreTableQRCodesQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ExportStoreTableQRCodesQueryHandler> logger)
+    : IRequestHandler<ExportStoreTableQRCodesQuery, StoreTableExportResult?>
+{
+    /// <inheritdoc />
+    public async Task<StoreTableExportResult?> Handle(ExportStoreTableQRCodesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            return null;
+        }
+
+        // 2. 获取桌码列表
+        var tables = await storeRepository.GetTablesAsync(request.StoreId, tenantId, cancellationToken);
+        if (request.AreaId.HasValue)
+        {
+            tables = tables.Where(x => x.AreaId == request.AreaId.Value).ToList();
+        }
+
+        if (tables.Count == 0)
+        {
+            return null;
+        }
+
+        // 3. 生成 ZIP
+        var template = string.IsNullOrWhiteSpace(request.QrContentTemplate) ? "{code}" : request.QrContentTemplate!;
+        using var memoryStream = new MemoryStream();
+        using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true, Encoding.UTF8))
+        {
+            foreach (var table in tables)
+            {
+                var content = BuildPayload(template, table.TableCode);
+                var svg = RenderSvg(content);
+                var entry = archive.CreateEntry($"{table.TableCode}.svg", CompressionLevel.Fastest);
+                using var entryStream = entry.Open();
+                using var writer = new StreamWriter(entryStream, Encoding.UTF8);
+                writer.Write(svg);
+            }
+        }
+
+        // 4. 返回导出结果
+        var fileName = $"store_{request.StoreId}_tables_{DateTime.UtcNow:yyyyMMddHHmmss}.zip";
+        logger.LogInformation("导出门店 {StoreId} 桌码二维码 {Count} 个", request.StoreId, tables.Count);
+        return new StoreTableExportResult
+        {
+            FileName = fileName,
+            ContentType = "application/zip",
+            Content = memoryStream.ToArray()
+        };
+    }
+
+    private static string BuildPayload(string template, string tableCode)
+    {
+        var payload = template.Replace("{code}", tableCode, StringComparison.OrdinalIgnoreCase);
+        return string.IsNullOrWhiteSpace(payload) ? tableCode : payload;
+    }
+
+    private static string RenderSvg(string payload)
+    {
+        using var generator = new QRCodeGenerator();
+        var data = generator.CreateQrCode(payload, QRCodeGenerator.ECCLevel.Q);
+        var svg = new SvgQRCode(data);
+        return svg.GetGraphic(5);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GenerateStoreTablesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GenerateStoreTablesCommandHandler.cs
new file mode 100644
index 0000000..ad2cf70
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GenerateStoreTablesCommandHandler.cs
@@ -0,0 +1,73 @@
+using System.Linq;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 批量生成桌码处理器。
+/// </summary>
+public sealed class GenerateStoreTablesCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<GenerateStoreTablesCommandHandler> logger)
+    : IRequestHandler<GenerateStoreTablesCommand, IReadOnlyList<StoreTableDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreTableDto>> Handle(GenerateStoreTablesCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 校验区域归属
+        if (request.AreaId.HasValue)
+        {
+            var area = await storeRepository.FindTableAreaByIdAsync(request.AreaId.Value, tenantId, cancellationToken);
+            if (area is null || area.StoreId != request.StoreId)
+            {
+                throw new BusinessException(ErrorCodes.ValidationFailed, "桌台区域不存在或不属于该门店");
+            }
+        }
+
+        // 3. 校验桌码唯一性
+        var existingTables = await storeRepository.GetTablesAsync(request.StoreId, tenantId, cancellationToken);
+        var newCodes = Enumerable.Range(request.StartNumber, request.Count)
+            .Select(i => $"{request.TableCodePrefix.Trim()}{i}")
+            .ToList();
+        var conflicts = existingTables.Where(t => newCodes.Contains(t.TableCode, StringComparer.OrdinalIgnoreCase)).ToList();
+        if (conflicts.Count > 0)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "桌码已存在，生成失败");
+        }
+
+        // 4. 构建实体
+        var tables = newCodes.Select(code => new StoreTable
+        {
+            StoreId = request.StoreId,
+            AreaId = request.AreaId,
+            TableCode = code,
+            Capacity = request.DefaultCapacity,
+            Tags = request.Tags?.Trim()
+        }).ToList();
+
+        // 5. 持久化
+        await storeRepository.AddTablesAsync(tables, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("批量创建桌码 {Count} 条 对应门店 {StoreId}", tables.Count, request.StoreId);
+
+        // 6. 返回 DTO
+        return tables.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetAvailablePickupSlotsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetAvailablePickupSlotsQueryHandler.cs
new file mode 100644
index 0000000..bbfb8f7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetAvailablePickupSlotsQueryHandler.cs
@@ -0,0 +1,83 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 可用自提档期查询处理器。
+/// </summary>
+public sealed class GetAvailablePickupSlotsQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetAvailablePickupSlotsQuery, IReadOnlyList<StorePickupSlotDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StorePickupSlotDto>> Handle(GetAvailablePickupSlotsQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var date = request.Date.Date;
+        // 1. 读取配置
+        var setting = await storeRepository.GetPickupSettingAsync(request.StoreId, tenantId, cancellationToken);
+        var allowDays = setting?.AllowDaysAhead ?? 0;
+        var allowToday = setting?.AllowToday ?? false;
+        var defaultCutoff = setting?.DefaultCutoffMinutes ?? 30;
+
+        // 2. 校验日期范围
+        if (!allowToday && date == DateTime.UtcNow.Date)
+        {
+            return [];
+        }
+
+        if (date > DateTime.UtcNow.Date.AddDays(allowDays))
+        {
+            return [];
+        }
+
+        // 3. 读取档期
+        var slots = await storeRepository.GetPickupSlotsAsync(request.StoreId, tenantId, cancellationToken);
+        var weekday = (int)date.DayOfWeek;
+        weekday = weekday == 0 ? 7 : weekday;
+        var nowUtc = DateTime.UtcNow;
+
+        // 4. 过滤可用
+        var available = slots
+            .Where(x => x.IsEnabled && ContainsDay(x.Weekdays, weekday))
+            .Select(slot =>
+            {
+                var cutoff = slot.CutoffMinutes == 0 ? defaultCutoff : slot.CutoffMinutes;
+                var slotStartUtc = date.Add(slot.StartTime);
+                // 判断截单
+                var cutoffTime = slotStartUtc.AddMinutes(-cutoff);
+                var isCutoff = nowUtc > cutoffTime;
+                var remaining = slot.Capacity - slot.ReservedCount;
+                return (slot, isCutoff, remaining);
+            })
+            .Where(x => !x.isCutoff && x.remaining > 0)
+            .Select(x => new StorePickupSlotDto
+            {
+                Id = x.slot.Id,
+                StoreId = x.slot.StoreId,
+                Name = x.slot.Name,
+                StartTime = x.slot.StartTime,
+                EndTime = x.slot.EndTime,
+                CutoffMinutes = x.slot.CutoffMinutes,
+                Capacity = x.slot.Capacity,
+                ReservedCount = x.slot.ReservedCount,
+                Weekdays = x.slot.Weekdays,
+                IsEnabled = x.slot.IsEnabled
+            })
+            .ToList();
+
+        return available;
+    }
+
+    private static bool ContainsDay(string weekdays, int target)
+    {
+        // 解析适用星期
+        var parts = weekdays.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+        return parts.Any(p => int.TryParse(p, out var val) && val == target);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreByIdQueryHandler.cs
new file mode 100644
index 0000000..e8f0841
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreByIdQueryHandler.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 门店详情查询处理器。
+/// </summary>
+public sealed class GetStoreByIdQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetStoreByIdQuery, StoreDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreDto?> Handle(GetStoreByIdQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        return store == null ? null : StoreMapping.ToDto(store);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreFeeQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreFeeQueryHandler.cs
new file mode 100644
index 0000000..e2906dc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreFeeQueryHandler.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 获取门店费用配置处理器。
+/// </summary>
+public sealed class GetStoreFeeQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetStoreFeeQuery, StoreFeeDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreFeeDto?> Handle(GetStoreFeeQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 查询费用配置
+        var fee = await storeRepository.GetStoreFeeAsync(request.StoreId, tenantId, cancellationToken);
+        if (fee is null)
+        {
+            var fallback = new StoreFee
+            {
+                StoreId = request.StoreId,
+                MinimumOrderAmount = 0m,
+                BaseDeliveryFee = 0m,
+                PackagingFeeMode = Domain.Stores.Enums.PackagingFeeMode.Fixed,
+                OrderPackagingFeeMode = Domain.Stores.Enums.OrderPackagingFeeMode.Fixed,
+                FixedPackagingFee = 0m
+            };
+            return StoreMapping.ToDto(fallback);
+        }
+
+        // 3. (空行后) 返回结果
+        return StoreMapping.ToDto(fee);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStorePickupSettingQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStorePickupSettingQueryHandler.cs
new file mode 100644
index 0000000..f7899e3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStorePickupSettingQueryHandler.cs
@@ -0,0 +1,37 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 获取自提配置处理器。
+/// </summary>
+public sealed class GetStorePickupSettingQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetStorePickupSettingQuery, StorePickupSettingDto?>
+{
+    /// <inheritdoc />
+    public async Task<StorePickupSettingDto?> Handle(GetStorePickupSettingQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var setting = await storeRepository.GetPickupSettingAsync(request.StoreId, tenantId, cancellationToken);
+        if (setting is null)
+        {
+            return null;
+        }
+
+        return new StorePickupSettingDto
+        {
+            Id = setting.Id,
+            StoreId = setting.StoreId,
+            AllowToday = setting.AllowToday,
+            AllowDaysAhead = setting.AllowDaysAhead,
+            DefaultCutoffMinutes = setting.DefaultCutoffMinutes,
+            MaxQuantityPerOrder = setting.MaxQuantityPerOrder
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreTableContextQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreTableContextQueryHandler.cs
new file mode 100644
index 0000000..8ef1bea
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/GetStoreTableContextQueryHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 桌码上下文查询处理器。
+/// </summary>
+public sealed class GetStoreTableContextQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<GetStoreTableContextQueryHandler> logger)
+    : IRequestHandler<GetStoreTableContextQuery, StoreTableContextDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreTableContextDto?> Handle(GetStoreTableContextQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询桌码
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var table = await storeRepository.FindTableByCodeAsync(request.TableCode, tenantId, cancellationToken);
+        if (table is null)
+        {
+            logger.LogWarning("未找到桌码 {TableCode}", request.TableCode);
+            return null;
+        }
+
+        // 2. 查询门店
+        var store = await storeRepository.FindByIdAsync(table.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 3. 组装上下文
+        return new StoreTableContextDto
+        {
+            StoreId = store.Id,
+            StoreName = store.Name,
+            Announcement = store.Announcement,
+            Tags = store.Tags,
+            TableId = table.Id,
+            TableCode = table.TableCode,
+            AreaId = table.AreaId,
+            Capacity = table.Capacity,
+            TableTags = table.Tags,
+            Status = table.Status
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListExpiringStoreQualificationsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListExpiringStoreQualificationsQueryHandler.cs
new file mode 100644
index 0000000..610d2b7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListExpiringStoreQualificationsQueryHandler.cs
@@ -0,0 +1,287 @@
+using System.Data;
+using System.Data.Common;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 资质预警查询处理器。
+/// </summary>
+public sealed class ListExpiringStoreQualificationsQueryHandler(
+    IDapperExecutor dapperExecutor,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListExpiringStoreQualificationsQuery, StoreQualificationAlertResultDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreQualificationAlertResultDto> Handle(
+        ListExpiringStoreQualificationsQuery request,
+        CancellationToken cancellationToken)
+    {
+        // 1. 规范化参数
+        var page = request.Page <= 0 ? 1 : request.Page;
+        var pageSize = request.PageSize is <= 0 or > 200 ? 20 : request.PageSize;
+        var daysThreshold = request.DaysThreshold is null or <= 0 ? 30 : request.DaysThreshold.Value;
+        if (daysThreshold > 365)
+        {
+            daysThreshold = 365;
+        }
+        var offset = (page - 1) * pageSize;
+        var now = DateOnly.FromDateTime(DateTime.UtcNow);
+        var expiringBefore = now.AddDays(daysThreshold);
+
+        // 2. (空行后) 读取当前租户并校验跨租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户查询资质预警");
+        }
+        var tenantId = currentTenantId;
+
+        // 3. (空行后) 执行查询
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 3.1 统计汇总
+                var summary = await ExecuteSummaryAsync(connection, now, expiringBefore, tenantId, token);
+
+                // 3.2 (空行后) 统计总数
+                var total = await ExecuteScalarIntAsync(
+                    connection,
+                    BuildCountSql(),
+                    [
+                        ("tenantId", tenantId),
+                        ("expiredOnly", request.Expired),
+                        ("now", now),
+                        ("expiringBefore", expiringBefore)
+                    ],
+                    token);
+                if (total == 0)
+                {
+                    return BuildResult([], page, pageSize, total, summary);
+                }
+
+                // 3.3 (空行后) 查询列表
+                await using var listCommand = CreateCommand(
+                    connection,
+                    BuildListSql(),
+                    [
+                        ("tenantId", tenantId),
+                        ("expiredOnly", request.Expired),
+                        ("now", now),
+                        ("expiringBefore", expiringBefore),
+                        ("offset", offset),
+                        ("limit", pageSize)
+                    ]);
+
+                await using var reader = await listCommand.ExecuteReaderAsync(token);
+                if (!reader.HasRows)
+                {
+                    return BuildResult([], page, pageSize, total, summary);
+                }
+
+                // 3.4 (空行后) 初始化字段序号
+                var qualificationIdOrdinal = reader.GetOrdinal("QualificationId");
+                var storeIdOrdinal = reader.GetOrdinal("StoreId");
+                var storeNameOrdinal = reader.GetOrdinal("StoreName");
+                var storeCodeOrdinal = reader.GetOrdinal("StoreCode");
+                var tenantIdOrdinal = reader.GetOrdinal("TenantId");
+                var tenantNameOrdinal = reader.GetOrdinal("TenantName");
+                var typeOrdinal = reader.GetOrdinal("QualificationType");
+                var expiresAtOrdinal = reader.GetOrdinal("ExpiresAt");
+                var businessStatusOrdinal = reader.GetOrdinal("BusinessStatus");
+
+                // 3.5 (空行后) 读取并映射
+                List<StoreQualificationAlertDto> items = [];
+                while (await reader.ReadAsync(token))
+                {
+                    DateOnly? expiresAt = reader.IsDBNull(expiresAtOrdinal)
+                        ? null
+                        : DateOnly.FromDateTime(reader.GetDateTime(expiresAtOrdinal));
+                    var isExpired = expiresAt.HasValue && expiresAt.Value < now;
+                    int? daysUntilExpiry = expiresAt.HasValue
+                        ? expiresAt.Value.DayNumber - now.DayNumber
+                        : null;
+
+                    items.Add(new StoreQualificationAlertDto
+                    {
+                        QualificationId = reader.GetInt64(qualificationIdOrdinal),
+                        StoreId = reader.GetInt64(storeIdOrdinal),
+                        StoreName = reader.GetString(storeNameOrdinal),
+                        StoreCode = reader.GetString(storeCodeOrdinal),
+                        TenantId = reader.GetInt64(tenantIdOrdinal),
+                        TenantName = reader.GetString(tenantNameOrdinal),
+                        QualificationType = (StoreQualificationType)reader.GetInt32(typeOrdinal),
+                        ExpiresAt = expiresAt,
+                        DaysUntilExpiry = daysUntilExpiry,
+                        IsExpired = isExpired,
+                        StoreBusinessStatus = (StoreBusinessStatus)reader.GetInt32(businessStatusOrdinal)
+                    });
+                }
+
+                // 3.6 (空行后) 组装结果
+                return BuildResult(items, page, pageSize, total, summary);
+            },
+            cancellationToken);
+    }
+
+    private static StoreQualificationAlertResultDto BuildResult(
+        IReadOnlyList<StoreQualificationAlertDto> items,
+        int page,
+        int pageSize,
+        int totalCount,
+        StoreQualificationAlertSummaryDto summary)
+    {
+        // 1. 计算总页数
+        var totalPages = pageSize == 0 ? 0 : (int)Math.Ceiling(totalCount / (double)pageSize);
+
+        // 2. (空行后) 组装分页结果
+        return new StoreQualificationAlertResultDto
+        {
+            Items = items,
+            Page = page,
+            PageSize = pageSize,
+            TotalCount = totalCount,
+            TotalPages = totalPages,
+            Summary = summary
+        };
+    }
+
+    private static async Task<StoreQualificationAlertSummaryDto> ExecuteSummaryAsync(
+        IDbConnection connection,
+        DateOnly now,
+        DateOnly expiringBefore,
+        long tenantId,
+        CancellationToken cancellationToken)
+    {
+        await using var command = CreateCommand(
+            connection,
+            BuildSummarySql(),
+            [
+                ("tenantId", tenantId),
+                ("now", now),
+                ("expiringBefore", expiringBefore)
+            ]);
+
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        if (!reader.HasRows || !await reader.ReadAsync(cancellationToken))
+        {
+            return new StoreQualificationAlertSummaryDto();
+        }
+
+        // 1. (空行后) 读取统计结果
+        var expiringSoonOrdinal = reader.GetOrdinal("ExpiringSoonCount");
+        var expiredOrdinal = reader.GetOrdinal("ExpiredCount");
+
+        return new StoreQualificationAlertSummaryDto
+        {
+            ExpiringSoonCount = reader.IsDBNull(expiringSoonOrdinal) ? 0 : reader.GetInt32(expiringSoonOrdinal),
+            ExpiredCount = reader.IsDBNull(expiredOrdinal) ? 0 : reader.GetInt32(expiredOrdinal)
+        };
+    }
+
+    private static string BuildCountSql()
+    {
+        return """
+            select count(*)
+            from public.store_qualifications q
+            join public.stores s on s."Id" = q."StoreId" and s."DeletedAt" is null
+            join public.tenants t on t."Id" = s."TenantId" and t."DeletedAt" is null
+            where q."DeletedAt" is null
+              and q."ExpiresAt" is not null
+              and s."TenantId" = @tenantId
+              and (
+                (@expiredOnly::boolean = true and q."ExpiresAt" < @now)
+                or (@expiredOnly::boolean = false and q."ExpiresAt" <= @expiringBefore)
+              );
+            """;
+    }
+
+    private static string BuildListSql()
+    {
+        return """
+            select
+              q."Id" as "QualificationId",
+              q."StoreId",
+              s."Name" as "StoreName",
+              s."Code" as "StoreCode",
+              s."TenantId",
+              t."Name" as "TenantName",
+              q."QualificationType",
+              q."ExpiresAt",
+              s."BusinessStatus"
+            from public.store_qualifications q
+            join public.stores s on s."Id" = q."StoreId" and s."DeletedAt" is null
+            join public.tenants t on t."Id" = s."TenantId" and t."DeletedAt" is null
+            where q."DeletedAt" is null
+              and q."ExpiresAt" is not null
+              and s."TenantId" = @tenantId
+              and (
+                (@expiredOnly::boolean = true and q."ExpiresAt" < @now)
+                or (@expiredOnly::boolean = false and q."ExpiresAt" <= @expiringBefore)
+              )
+            order by q."ExpiresAt" asc, q."Id" asc
+            offset @offset
+            limit @limit;
+            """;
+    }
+
+    private static string BuildSummarySql()
+    {
+        return """
+            select
+              coalesce(sum(case when q."ExpiresAt" < @now then 1 else 0 end), 0) as "ExpiredCount",
+              coalesce(sum(case when q."ExpiresAt" >= @now and q."ExpiresAt" <= @expiringBefore then 1 else 0 end), 0) as "ExpiringSoonCount"
+            from public.store_qualifications q
+            join public.stores s on s."Id" = q."StoreId" and s."DeletedAt" is null
+            join public.tenants t on t."Id" = s."TenantId" and t."DeletedAt" is null
+            where q."DeletedAt" is null
+              and q."ExpiresAt" is not null
+              and s."TenantId" = @tenantId;
+            """;
+    }
+
+    private static async Task<int> ExecuteScalarIntAsync(
+        IDbConnection connection,
+        string sql,
+        (string Name, object? Value)[] parameters,
+        CancellationToken cancellationToken)
+    {
+        await using var command = CreateCommand(connection, sql, parameters);
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return result is null or DBNull ? 0 : Convert.ToInt32(result);
+    }
+
+    private static DbCommand CreateCommand(
+        IDbConnection connection,
+        string sql,
+        (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        // 1. (空行后) 绑定参数
+        foreach (var (name, value) in parameters)
+        {
+            var parameter = command.CreateParameter();
+            parameter.ParameterName = name;
+            parameter.Value = value ?? DBNull.Value;
+            command.Parameters.Add(parameter);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreBusinessHoursQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreBusinessHoursQueryHandler.cs
new file mode 100644
index 0000000..e50c85b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreBusinessHoursQueryHandler.cs
@@ -0,0 +1,32 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 营业时段列表查询处理器。
+/// </summary>
+public sealed class ListStoreBusinessHoursQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreBusinessHoursQuery, IReadOnlyList<StoreBusinessHourDto>>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreBusinessHourDto>> Handle(ListStoreBusinessHoursQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询时段列表
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var hours = await _storeRepository.GetBusinessHoursAsync(request.StoreId, tenantId, cancellationToken);
+
+        // 2. 映射 DTO
+        return hours.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreDeliveryZonesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreDeliveryZonesQueryHandler.cs
new file mode 100644
index 0000000..f577811
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreDeliveryZonesQueryHandler.cs
@@ -0,0 +1,32 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 配送区域列表查询处理器。
+/// </summary>
+public sealed class ListStoreDeliveryZonesQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreDeliveryZonesQuery, IReadOnlyList<StoreDeliveryZoneDto>>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreDeliveryZoneDto>> Handle(ListStoreDeliveryZonesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询配送区域
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var zones = await _storeRepository.GetDeliveryZonesAsync(request.StoreId, tenantId, cancellationToken);
+
+        // 2. 映射 DTO
+        return zones.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreEmployeeShiftsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreEmployeeShiftsQueryHandler.cs
new file mode 100644
index 0000000..2dde5dd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreEmployeeShiftsQueryHandler.cs
@@ -0,0 +1,37 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 排班列表查询处理器。
+/// </summary>
+public sealed class ListStoreEmployeeShiftsQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreEmployeeShiftsQuery, IReadOnlyList<StoreEmployeeShiftDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreEmployeeShiftDto>> Handle(ListStoreEmployeeShiftsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 时间范围
+        var from = request.From ?? DateTime.UtcNow.Date;
+        var to = request.To ?? from.AddDays(7);
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 查询排班
+        var shifts = await storeRepository.GetShiftsAsync(request.StoreId, tenantId, from, to, cancellationToken);
+
+        if (request.StaffId.HasValue)
+        {
+            shifts = shifts.Where(x => x.StaffId == request.StaffId.Value).ToList();
+        }
+
+        // 3. 映射 DTO
+        return shifts.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreHolidaysQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreHolidaysQueryHandler.cs
new file mode 100644
index 0000000..19a5414
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreHolidaysQueryHandler.cs
@@ -0,0 +1,32 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 门店节假日列表查询处理器。
+/// </summary>
+public sealed class ListStoreHolidaysQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreHolidaysQuery, IReadOnlyList<StoreHolidayDto>>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreHolidayDto>> Handle(ListStoreHolidaysQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询节假日
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var holidays = await _storeRepository.GetHolidaysAsync(request.StoreId, tenantId, cancellationToken);
+
+        // 2. 映射 DTO
+        return holidays.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStorePickupSlotsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStorePickupSlotsQueryHandler.cs
new file mode 100644
index 0000000..146a7a4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStorePickupSlotsQueryHandler.cs
@@ -0,0 +1,38 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 自提档期列表查询处理器。
+/// </summary>
+public sealed class ListStorePickupSlotsQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStorePickupSlotsQuery, IReadOnlyList<StorePickupSlotDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StorePickupSlotDto>> Handle(ListStorePickupSlotsQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var slots = await storeRepository.GetPickupSlotsAsync(request.StoreId, tenantId, cancellationToken);
+        return slots
+            .Select(x => new StorePickupSlotDto
+            {
+                Id = x.Id,
+                StoreId = x.StoreId,
+                Name = x.Name,
+                StartTime = x.StartTime,
+                EndTime = x.EndTime,
+                CutoffMinutes = x.CutoffMinutes,
+                Capacity = x.Capacity,
+                ReservedCount = x.ReservedCount,
+                Weekdays = x.Weekdays,
+                IsEnabled = x.IsEnabled
+            })
+            .ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreQualificationsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreQualificationsQueryHandler.cs
new file mode 100644
index 0000000..9db1132
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreQualificationsQueryHandler.cs
@@ -0,0 +1,37 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 门店资质列表查询处理器。
+/// </summary>
+public sealed class ListStoreQualificationsQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreQualificationsQuery, IReadOnlyList<StoreQualificationDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreQualificationDto>> Handle(ListStoreQualificationsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 读取资质列表
+        var qualifications = await storeRepository.GetQualificationsAsync(request.StoreId, tenantId, cancellationToken);
+
+        // 3. (空行后) 映射 DTO
+        return qualifications.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreStaffQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreStaffQueryHandler.cs
new file mode 100644
index 0000000..5a2e770
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreStaffQueryHandler.cs
@@ -0,0 +1,47 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 门店员工列表查询处理器。
+/// </summary>
+public sealed class ListStoreStaffQueryHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreStaffQuery, IReadOnlyList<StoreStaffDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreStaffDto>> Handle(ListStoreStaffQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            return [];
+        }
+
+        // 2. 查询员工
+        var staffs = await merchantRepository.GetStaffByStoreAsync(request.StoreId, tenantId, cancellationToken);
+
+        if (request.RoleType.HasValue)
+        {
+            staffs = staffs.Where(x => x.RoleType == request.RoleType.Value).ToList();
+        }
+
+        if (request.Status.HasValue)
+        {
+            staffs = staffs.Where(x => x.Status == request.Status.Value).ToList();
+        }
+
+        // 3. 映射 DTO
+        return staffs.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreTableAreasQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreTableAreasQueryHandler.cs
new file mode 100644
index 0000000..5de8fa5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreTableAreasQueryHandler.cs
@@ -0,0 +1,26 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 桌台区域列表查询处理器。
+/// </summary>
+public sealed class ListStoreTableAreasQueryHandler(IStoreRepository storeRepository, ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreTableAreasQuery, IReadOnlyList<StoreTableAreaDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreTableAreaDto>> Handle(ListStoreTableAreasQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询区域列表
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var areas = await storeRepository.GetTableAreasAsync(request.StoreId, tenantId, cancellationToken);
+
+        // 2. 映射 DTO
+        return areas.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreTablesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreTablesQueryHandler.cs
new file mode 100644
index 0000000..786b67f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ListStoreTablesQueryHandler.cs
@@ -0,0 +1,39 @@
+using System.Linq;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 桌码列表查询处理器。
+/// </summary>
+public sealed class ListStoreTablesQueryHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<ListStoreTablesQuery, IReadOnlyList<StoreTableDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<StoreTableDto>> Handle(ListStoreTablesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询桌码列表
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var tables = await storeRepository.GetTablesAsync(request.StoreId, tenantId, cancellationToken);
+
+        // 2. 过滤
+        if (request.AreaId.HasValue)
+        {
+            tables = tables.Where(x => x.AreaId == request.AreaId.Value).ToList();
+        }
+
+        if (request.Status.HasValue)
+        {
+            tables = tables.Where(x => x.Status == request.Status.Value).ToList();
+        }
+
+        // 3. 映射 DTO
+        return tables.Select(StoreMapping.ToDto).ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/SubmitStoreAuditCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/SubmitStoreAuditCommandHandler.cs
new file mode 100644
index 0000000..90b678e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/SubmitStoreAuditCommandHandler.cs
@@ -0,0 +1,115 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Queries;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 提交门店审核处理器。
+/// </summary>
+public sealed class SubmitStoreAuditCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IMediator mediator,
+    ILogger<SubmitStoreAuditCommandHandler> logger)
+    : IRequestHandler<SubmitStoreAuditCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(SubmitStoreAuditCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        if (store.AuditStatus is not StoreAuditStatus.Draft and not StoreAuditStatus.Rejected)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店不处于可提交状态");
+        }
+
+        // 2. (空行后) 处理同主体门店直接激活
+        var now = DateTime.UtcNow;
+        if (store.OwnershipType == StoreOwnershipType.SameEntity)
+        {
+            var previousStatus = store.AuditStatus;
+            store.AuditStatus = StoreAuditStatus.Activated;
+            store.BusinessStatus = StoreBusinessStatus.Resting;
+            store.SubmittedAt ??= now;
+            store.ActivatedAt ??= now;
+            store.RejectionReason = null;
+
+            await storeRepository.UpdateStoreAsync(store, cancellationToken);
+            await storeRepository.AddAuditRecordAsync(new StoreAuditRecord
+            {
+                StoreId = store.Id,
+                Action = StoreAuditAction.AutoActivate,
+                PreviousStatus = previousStatus,
+                NewStatus = store.AuditStatus,
+                OperatorId = ResolveOperatorId(),
+                OperatorName = ResolveOperatorName(),
+                Remarks = "同主体门店自动激活"
+            }, cancellationToken);
+            await storeRepository.SaveChangesAsync(cancellationToken);
+            logger.LogInformation("门店 {StoreId} 同主体自动激活", store.Id);
+
+            return true;
+        }
+
+        // 3. (空行后) 校验资质完整性
+        var checkResult = await mediator.Send(new CheckStoreQualificationsQuery { StoreId = request.StoreId }, cancellationToken);
+        if (!checkResult.CanSubmitAudit)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "门店资质不完整，无法提交审核");
+        }
+
+        // 4. (空行后) 更新审核状态
+        var action = store.AuditStatus == StoreAuditStatus.Rejected
+            ? StoreAuditAction.Resubmit
+            : StoreAuditAction.Submit;
+        var previous = store.AuditStatus;
+        store.AuditStatus = StoreAuditStatus.Pending;
+        store.BusinessStatus = StoreBusinessStatus.Resting;
+        store.SubmittedAt = now;
+        store.RejectionReason = null;
+
+        await storeRepository.UpdateStoreAsync(store, cancellationToken);
+        await storeRepository.AddAuditRecordAsync(new StoreAuditRecord
+        {
+            StoreId = store.Id,
+            Action = action,
+            PreviousStatus = previous,
+            NewStatus = store.AuditStatus,
+            OperatorId = ResolveOperatorId(),
+            OperatorName = ResolveOperatorName(),
+            Remarks = action == StoreAuditAction.Resubmit ? "门店重新提交审核" : "门店提交审核"
+        }, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("门店 {StoreId} 提交审核", store.Id);
+
+        return true;
+    }
+
+    private long? ResolveOperatorId()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? null : id;
+    }
+
+    private string ResolveOperatorName()
+    {
+        var id = currentUserAccessor.UserId;
+        return id == 0 ? "system" : $"user:{id}";
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ToggleBusinessStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ToggleBusinessStatusCommandHandler.cs
new file mode 100644
index 0000000..7bf5f61
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/ToggleBusinessStatusCommandHandler.cs
@@ -0,0 +1,69 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 切换门店经营状态处理器。
+/// </summary>
+public sealed class ToggleBusinessStatusCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<ToggleBusinessStatusCommandHandler> logger)
+    : IRequestHandler<ToggleBusinessStatusCommand, StoreDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreDto> Handle(ToggleBusinessStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        if (store.AuditStatus != StoreAuditStatus.Activated)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店未激活，无法切换状态");
+        }
+
+        if (store.BusinessStatus == StoreBusinessStatus.ForceClosed)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店已被风控强制关闭，无法切换");
+        }
+
+        // 2. (空行后) 应用状态变更
+        if (request.BusinessStatus == StoreBusinessStatus.Resting)
+        {
+            if (!request.ClosureReason.HasValue)
+            {
+                throw new BusinessException(ErrorCodes.ValidationFailed, "切换休息中必须选择歇业原因");
+            }
+
+            store.BusinessStatus = StoreBusinessStatus.Resting;
+            store.ClosureReason = request.ClosureReason;
+            store.ClosureReasonText = request.ClosureReasonText?.Trim();
+        }
+        else
+        {
+            store.BusinessStatus = StoreBusinessStatus.Open;
+            store.ClosureReason = null;
+            store.ClosureReasonText = null;
+        }
+
+        // 3. (空行后) 保存并返回
+        await storeRepository.UpdateStoreAsync(store, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("切换门店 {StoreId} 状态至 {BusinessStatus}", store.Id, store.BusinessStatus);
+
+        return StoreMapping.ToDto(store);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreBusinessHourCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreBusinessHourCommandHandler.cs
new file mode 100644
index 0000000..b85bd55
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreBusinessHourCommandHandler.cs
@@ -0,0 +1,59 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新营业时段处理器。
+/// </summary>
+public sealed class UpdateStoreBusinessHourCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreBusinessHourCommandHandler> logger)
+    : IRequestHandler<UpdateStoreBusinessHourCommand, StoreBusinessHourDto?>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<UpdateStoreBusinessHourCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<StoreBusinessHourDto?> Handle(UpdateStoreBusinessHourCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取时段
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _storeRepository.FindBusinessHourByIdAsync(request.BusinessHourId, tenantId, cancellationToken);
+        if (existing is null)
+        {
+            return null;
+        }
+
+        // 2. 校验门店归属
+        if (existing.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "营业时段不属于该门店");
+        }
+
+        // 3. 更新字段
+        existing.DayOfWeek = request.DayOfWeek;
+        existing.HourType = request.HourType;
+        existing.StartTime = request.StartTime;
+        existing.EndTime = request.EndTime;
+        existing.CapacityLimit = request.CapacityLimit;
+        existing.Notes = request.Notes?.Trim();
+
+        // 4. 持久化
+        await _storeRepository.UpdateBusinessHourAsync(existing, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("更新营业时段 {BusinessHourId} 对应门店 {StoreId}", existing.Id, existing.StoreId);
+
+        // 5. 返回 DTO
+        return StoreMapping.ToDto(existing);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreDeliveryZoneCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreDeliveryZoneCommandHandler.cs
new file mode 100644
index 0000000..b8443e5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreDeliveryZoneCommandHandler.cs
@@ -0,0 +1,65 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新配送区域处理器。
+/// </summary>
+public sealed class UpdateStoreDeliveryZoneCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    IGeoJsonValidationService geoJsonValidationService,
+    ILogger<UpdateStoreDeliveryZoneCommandHandler> logger)
+    : IRequestHandler<UpdateStoreDeliveryZoneCommand, StoreDeliveryZoneDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreDeliveryZoneDto?> Handle(UpdateStoreDeliveryZoneCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取区域
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var existing = await storeRepository.FindDeliveryZoneByIdAsync(request.DeliveryZoneId, tenantId, cancellationToken);
+        if (existing is null)
+        {
+            return null;
+        }
+
+        // 2. 校验门店归属
+        if (existing.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "配送区域不属于该门店");
+        }
+
+        // 3. (空行后) 校验 GeoJSON
+        var validation = geoJsonValidationService.ValidatePolygon(request.PolygonGeoJson);
+        if (!validation.IsValid)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, validation.ErrorMessage ?? "配送范围格式错误");
+        }
+
+        // 4. (空行后) 更新字段
+        existing.ZoneName = request.ZoneName.Trim();
+        existing.PolygonGeoJson = (validation.NormalizedGeoJson ?? request.PolygonGeoJson).Trim();
+        existing.MinimumOrderAmount = request.MinimumOrderAmount;
+        existing.DeliveryFee = request.DeliveryFee;
+        existing.EstimatedMinutes = request.EstimatedMinutes;
+        existing.SortOrder = request.SortOrder;
+
+        // 5. (空行后) 持久化
+        await storeRepository.UpdateDeliveryZoneAsync(existing, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新配送区域 {DeliveryZoneId} 对应门店 {StoreId}", existing.Id, existing.StoreId);
+
+        // 6. (空行后) 返回 DTO
+        return StoreMapping.ToDto(existing);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreEmployeeShiftCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreEmployeeShiftCommandHandler.cs
new file mode 100644
index 0000000..ed2a975
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreEmployeeShiftCommandHandler.cs
@@ -0,0 +1,71 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新排班处理器。
+/// </summary>
+public sealed class UpdateStoreEmployeeShiftCommandHandler(
+    IStoreRepository storeRepository,
+    IMerchantRepository merchantRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreEmployeeShiftCommandHandler> logger)
+    : IRequestHandler<UpdateStoreEmployeeShiftCommand, StoreEmployeeShiftDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreEmployeeShiftDto?> Handle(UpdateStoreEmployeeShiftCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取排班
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var shift = await storeRepository.FindShiftByIdAsync(request.ShiftId, tenantId, cancellationToken);
+        if (shift is null)
+        {
+            return null;
+        }
+
+        // 2. 校验门店归属
+        if (shift.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "排班不属于该门店");
+        }
+
+        // 3. 校验员工归属
+        var staff = await merchantRepository.FindStaffByIdAsync(request.StaffId, tenantId, cancellationToken);
+        if (staff is null || (staff.StoreId.HasValue && staff.StoreId != request.StoreId))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "员工不存在或不属于该门店");
+        }
+
+        // 4. 冲突校验
+        var shifts = await storeRepository.GetShiftsAsync(request.StoreId, tenantId, request.ShiftDate.Date, request.ShiftDate.Date, cancellationToken);
+        var hasConflict = shifts.Any(x => x.Id != request.ShiftId && x.StaffId == request.StaffId && x.ShiftDate == request.ShiftDate);
+        if (hasConflict)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "该员工当日已存在排班");
+        }
+
+        // 5. 更新字段
+        shift.StaffId = request.StaffId;
+        shift.ShiftDate = request.ShiftDate.Date;
+        shift.StartTime = request.StartTime;
+        shift.EndTime = request.EndTime;
+        shift.RoleType = request.RoleType;
+        shift.Notes = request.Notes?.Trim();
+
+        // 6. 持久化
+        await storeRepository.UpdateShiftAsync(shift, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新排班 {ShiftId} 员工 {StaffId} 门店 {StoreId}", shift.Id, shift.StaffId, shift.StoreId);
+
+        // 7. 返回 DTO
+        return StoreMapping.ToDto(shift);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreFeeCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreFeeCommandHandler.cs
new file mode 100644
index 0000000..7665786
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreFeeCommandHandler.cs
@@ -0,0 +1,88 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新门店费用配置处理器。
+/// </summary>
+public sealed class UpdateStoreFeeCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreFeeCommandHandler> logger)
+    : IRequestHandler<UpdateStoreFeeCommand, StoreFeeDto>
+{
+    /// <inheritdoc />
+    public async Task<StoreFeeDto> Handle(UpdateStoreFeeCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店状态
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+        var storeTenantId = store.TenantId;
+        if (store.AuditStatus != StoreAuditStatus.Activated)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店未激活，无法配置费用");
+        }
+        if (store.BusinessStatus == StoreBusinessStatus.ForceClosed)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店已被强制关闭，无法配置费用");
+        }
+
+        // 2. (空行后) 获取或创建费用配置
+        var fee = await storeRepository.GetStoreFeeAsync(request.StoreId, tenantId, cancellationToken);
+        var isNew = fee is null;
+        fee ??= new StoreFee
+        {
+            StoreId = request.StoreId,
+            TenantId = storeTenantId
+        };
+
+        // 3. (空行后) 应用更新字段
+        fee.MinimumOrderAmount = request.MinimumOrderAmount;
+        fee.BaseDeliveryFee = request.DeliveryFee;
+        fee.PackagingFeeMode = request.PackagingFeeMode;
+        fee.OrderPackagingFeeMode = request.PackagingFeeMode == PackagingFeeMode.Fixed
+            ? request.OrderPackagingFeeMode
+            : OrderPackagingFeeMode.Fixed;
+        if (request.PackagingFeeMode == PackagingFeeMode.Fixed && request.OrderPackagingFeeMode == OrderPackagingFeeMode.Tiered)
+        {
+            var normalizedTiers = StoreFeeTierHelper.Normalize(request.PackagingFeeTiers);
+            fee.FixedPackagingFee = 0m;
+            fee.PackagingFeeTiersJson = StoreFeeTierHelper.Serialize(normalizedTiers);
+        }
+        else
+        {
+            fee.FixedPackagingFee = request.PackagingFeeMode == PackagingFeeMode.Fixed
+                ? request.FixedPackagingFee ?? 0m
+                : 0m;
+            fee.PackagingFeeTiersJson = null;
+        }
+        fee.FreeDeliveryThreshold = request.FreeDeliveryThreshold;
+
+        // 4. (空行后) 保存并返回
+        if (isNew)
+        {
+            await storeRepository.AddStoreFeeAsync(fee, cancellationToken);
+        }
+        else
+        {
+            await storeRepository.UpdateStoreFeeAsync(fee, cancellationToken);
+        }
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新门店 {StoreId} 费用配置", request.StoreId);
+        return StoreMapping.ToDto(fee);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreHolidayCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreHolidayCommandHandler.cs
new file mode 100644
index 0000000..afddded
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreHolidayCommandHandler.cs
@@ -0,0 +1,73 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新节假日配置处理器。
+/// </summary>
+public sealed class UpdateStoreHolidayCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreHolidayCommandHandler> logger)
+    : IRequestHandler<UpdateStoreHolidayCommand, StoreHolidayDto?>
+{
+    private readonly IStoreRepository _storeRepository = storeRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<UpdateStoreHolidayCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<StoreHolidayDto?> Handle(UpdateStoreHolidayCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取配置
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _storeRepository.FindHolidayByIdAsync(request.HolidayId, tenantId, cancellationToken);
+        if (existing is null)
+        {
+            return null;
+        }
+
+        // 2. 校验门店归属
+        if (existing.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "节假日配置不属于该门店");
+        }
+
+        // 3. 更新字段
+        existing.Date = NormalizeToUtc(request.Date);
+        existing.EndDate = request.EndDate.HasValue ? NormalizeToUtc(request.EndDate.Value) : null;
+        existing.IsAllDay = request.IsAllDay;
+        existing.StartTime = request.StartTime;
+        existing.EndTime = request.EndTime;
+        existing.OverrideType = request.OverrideType;
+        existing.IsClosed = request.OverrideType == OverrideType.Closed;
+        existing.Reason = request.Reason?.Trim();
+
+        // 4. 持久化
+        await _storeRepository.UpdateHolidayAsync(existing, cancellationToken);
+        await _storeRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("更新节假日 {HolidayId} 对应门店 {StoreId}", existing.Id, existing.StoreId);
+
+        // 5. 返回 DTO
+        return StoreMapping.ToDto(existing);
+    }
+
+    private static DateTime NormalizeToUtc(DateTime value)
+    {
+        return value.Kind switch
+        {
+            DateTimeKind.Utc => value,
+            DateTimeKind.Local => value.ToUniversalTime(),
+            _ => DateTime.SpecifyKind(value, DateTimeKind.Utc)
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStorePickupSlotCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStorePickupSlotCommandHandler.cs
new file mode 100644
index 0000000..30355a3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStorePickupSlotCommandHandler.cs
@@ -0,0 +1,57 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新自提档期处理器。
+/// </summary>
+public sealed class UpdateStorePickupSlotCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStorePickupSlotCommandHandler> logger)
+    : IRequestHandler<UpdateStorePickupSlotCommand, StorePickupSlotDto?>
+{
+    /// <inheritdoc />
+    public async Task<StorePickupSlotDto?> Handle(UpdateStorePickupSlotCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询档期
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var slot = await storeRepository.FindPickupSlotByIdAsync(request.SlotId, tenantId, cancellationToken);
+        if (slot is null || slot.StoreId != request.StoreId)
+        {
+            return null;
+        }
+
+        // 2. 更新字段
+        slot.Name = request.Name.Trim();
+        slot.StartTime = request.StartTime;
+        slot.EndTime = request.EndTime;
+        slot.CutoffMinutes = request.CutoffMinutes;
+        slot.Capacity = request.Capacity;
+        slot.Weekdays = request.Weekdays;
+        slot.IsEnabled = request.IsEnabled;
+        await storeRepository.UpdatePickupSlotAsync(slot, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新自提档期 {SlotId}", request.SlotId);
+        return new StorePickupSlotDto
+        {
+            Id = slot.Id,
+            StoreId = slot.StoreId,
+            Name = slot.Name,
+            StartTime = slot.StartTime,
+            EndTime = slot.EndTime,
+            CutoffMinutes = slot.CutoffMinutes,
+            Capacity = slot.Capacity,
+            ReservedCount = slot.ReservedCount,
+            Weekdays = slot.Weekdays,
+            IsEnabled = slot.IsEnabled
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreQualificationCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreQualificationCommandHandler.cs
new file mode 100644
index 0000000..26d86e5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreQualificationCommandHandler.cs
@@ -0,0 +1,79 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新门店资质处理器。
+/// </summary>
+public sealed class UpdateStoreQualificationCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreQualificationCommandHandler> logger)
+    : IRequestHandler<UpdateStoreQualificationCommand, StoreQualificationDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreQualificationDto?> Handle(UpdateStoreQualificationCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. (空行后) 审核中门店禁止修改资质
+        if (store.AuditStatus == StoreAuditStatus.Pending)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店审核中，无法修改资质");
+        }
+
+        // 3. (空行后) 校验资质记录
+        var qualification = await storeRepository.FindQualificationByIdAsync(request.QualificationId, tenantId, cancellationToken);
+        if (qualification is null || qualification.StoreId != request.StoreId)
+        {
+            return null;
+        }
+
+        // 4. (空行后) 更新字段
+        if (!string.IsNullOrWhiteSpace(request.FileUrl))
+        {
+            qualification.FileUrl = request.FileUrl.Trim();
+        }
+
+        if (request.DocumentNumber is not null)
+        {
+            qualification.DocumentNumber = request.DocumentNumber.Trim();
+        }
+
+        if (request.IssuedAt.HasValue)
+        {
+            qualification.IssuedAt = request.IssuedAt;
+        }
+
+        if (request.ExpiresAt.HasValue)
+        {
+            qualification.ExpiresAt = request.ExpiresAt;
+        }
+
+        if (request.SortOrder.HasValue)
+        {
+            qualification.SortOrder = request.SortOrder.Value;
+        }
+
+        // 5. (空行后) 保存变更并返回结果
+        await storeRepository.UpdateQualificationAsync(qualification, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新门店资质 {QualificationId} 对应门店 {StoreId}", qualification.Id, request.StoreId);
+
+        return StoreMapping.ToDto(qualification);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreStaffCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreStaffCommandHandler.cs
new file mode 100644
index 0000000..28c1321
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreStaffCommandHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新门店员工处理器。
+/// </summary>
+public sealed class UpdateStoreStaffCommandHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreStaffCommandHandler> logger)
+    : IRequestHandler<UpdateStoreStaffCommand, StoreStaffDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreStaffDto?> Handle(UpdateStoreStaffCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            return null;
+        }
+
+        // 2. 读取员工
+        var staff = await merchantRepository.FindStaffByIdAsync(request.StaffId, tenantId, cancellationToken);
+        if (staff is null || staff.StoreId != request.StoreId)
+        {
+            return null;
+        }
+
+        // 3. 更新字段
+        staff.Name = request.Name.Trim();
+        staff.Phone = request.Phone.Trim();
+        staff.Email = request.Email?.Trim();
+        staff.RoleType = request.RoleType;
+        staff.Status = request.Status;
+
+        // 4. 持久化
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新门店员工 {StaffId} 门店 {StoreId}", staff.Id, staff.StoreId);
+
+        // 5. 返回 DTO
+        return StoreMapping.ToDto(staff);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreTableAreaCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreTableAreaCommandHandler.cs
new file mode 100644
index 0000000..e488d6b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreTableAreaCommandHandler.cs
@@ -0,0 +1,59 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新桌台区域处理器。
+/// </summary>
+public sealed class UpdateStoreTableAreaCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreTableAreaCommandHandler> logger)
+    : IRequestHandler<UpdateStoreTableAreaCommand, StoreTableAreaDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreTableAreaDto?> Handle(UpdateStoreTableAreaCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取区域
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var area = await storeRepository.FindTableAreaByIdAsync(request.AreaId, tenantId, cancellationToken);
+        if (area is null)
+        {
+            return null;
+        }
+
+        // 2. 校验门店归属
+        if (area.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "区域不属于该门店");
+        }
+
+        // 3. 名称唯一校验
+        var areas = await storeRepository.GetTableAreasAsync(request.StoreId, tenantId, cancellationToken);
+        var hasDuplicate = areas.Any(x => x.Id != request.AreaId && x.Name.Equals(request.Name, StringComparison.OrdinalIgnoreCase));
+        if (hasDuplicate)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "区域名称已存在");
+        }
+
+        // 4. 更新字段
+        area.Name = request.Name.Trim();
+        area.Description = request.Description?.Trim();
+        area.SortOrder = request.SortOrder;
+
+        // 5. 持久化
+        await storeRepository.UpdateTableAreaAsync(area, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新桌台区域 {AreaId} 对应门店 {StoreId}", area.Id, area.StoreId);
+
+        // 6. 返回 DTO
+        return StoreMapping.ToDto(area);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreTableCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreTableCommandHandler.cs
new file mode 100644
index 0000000..b6f8474
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreTableCommandHandler.cs
@@ -0,0 +1,72 @@
+using System.Linq;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新桌码处理器。
+/// </summary>
+public sealed class UpdateStoreTableCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreTableCommandHandler> logger)
+    : IRequestHandler<UpdateStoreTableCommand, StoreTableDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreTableDto?> Handle(UpdateStoreTableCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取桌码
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var table = await storeRepository.FindTableByIdAsync(request.TableId, tenantId, cancellationToken);
+        if (table is null)
+        {
+            return null;
+        }
+
+        // 2. 校验门店归属
+        if (table.StoreId != request.StoreId)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "桌码不属于该门店");
+        }
+
+        // 3. 校验区域归属
+        if (request.AreaId.HasValue)
+        {
+            var area = await storeRepository.FindTableAreaByIdAsync(request.AreaId.Value, tenantId, cancellationToken);
+            if (area is null || area.StoreId != request.StoreId)
+            {
+                throw new BusinessException(ErrorCodes.ValidationFailed, "桌台区域不存在或不属于该门店");
+            }
+        }
+
+        // 4. 校验桌码唯一
+        var tables = await storeRepository.GetTablesAsync(request.StoreId, tenantId, cancellationToken);
+        var exists = tables.Any(x => x.Id != request.TableId && x.TableCode.Equals(request.TableCode, StringComparison.OrdinalIgnoreCase));
+        if (exists)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "桌码已存在");
+        }
+
+        // 5. 更新字段
+        table.AreaId = request.AreaId;
+        table.TableCode = request.TableCode.Trim();
+        table.Capacity = request.Capacity;
+        table.Tags = request.Tags?.Trim();
+        table.Status = request.Status;
+
+        // 6. 持久化
+        await storeRepository.UpdateTableAsync(table, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新桌码 {TableId} 对应门店 {StoreId}", table.Id, table.StoreId);
+
+        // 7. 返回 DTO
+        return StoreMapping.ToDto(table);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpsertStorePickupSettingCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpsertStorePickupSettingCommandHandler.cs
new file mode 100644
index 0000000..abb8866
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpsertStorePickupSettingCommandHandler.cs
@@ -0,0 +1,63 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 自提配置维护处理器。
+/// </summary>
+public sealed class UpsertStorePickupSettingCommandHandler(
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpsertStorePickupSettingCommandHandler> logger)
+    : IRequestHandler<UpsertStorePickupSettingCommand, StorePickupSettingDto>
+{
+    /// <inheritdoc />
+    public async Task<StorePickupSettingDto> Handle(UpsertStorePickupSettingCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店存在
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
+        }
+
+        // 2. 读取或创建配置
+        var setting = await storeRepository.GetPickupSettingAsync(request.StoreId, tenantId, cancellationToken);
+        if (setting is null)
+        {
+            setting = new StorePickupSetting
+            {
+                TenantId = tenantId,
+                StoreId = request.StoreId
+            };
+            await storeRepository.AddPickupSettingAsync(setting, cancellationToken);
+        }
+
+        // 3. 更新字段
+        setting.AllowToday = request.AllowToday;
+        setting.AllowDaysAhead = request.AllowDaysAhead;
+        setting.DefaultCutoffMinutes = request.DefaultCutoffMinutes;
+        setting.MaxQuantityPerOrder = request.MaxQuantityPerOrder;
+        await storeRepository.UpdatePickupSettingAsync(setting, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新门店 {StoreId} 自提配置", request.StoreId);
+        return new StorePickupSettingDto
+        {
+            Id = setting.Id,
+            StoreId = setting.StoreId,
+            AllowToday = setting.AllowToday,
+            AllowDaysAhead = setting.AllowDaysAhead,
+            DefaultCutoffMinutes = setting.DefaultCutoffMinutes,
+            MaxQuantityPerOrder = setting.MaxQuantityPerOrder
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CalculateStoreFeeQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CalculateStoreFeeQuery.cs
new file mode 100644
index 0000000..2219baa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CalculateStoreFeeQuery.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 费用预览计算查询。
+/// </summary>
+public sealed record CalculateStoreFeeQuery : IRequest<StoreFeeCalculationResultDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 商品金额。
+    /// </summary>
+    public decimal OrderAmount { get; init; }
+
+    /// <summary>
+    /// 商品种类数量。
+    /// </summary>
+    public int? ItemCount { get; init; }
+
+    /// <summary>
+    /// 商品列表。
+    /// </summary>
+    public IReadOnlyList<StoreFeeCalculationItemDto> Items { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CheckStoreDeliveryZoneQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CheckStoreDeliveryZoneQuery.cs
new file mode 100644
index 0000000..108427b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CheckStoreDeliveryZoneQuery.cs
@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 配送范围检测查询。
+/// </summary>
+public sealed record CheckStoreDeliveryZoneQuery : IRequest<StoreDeliveryCheckResultDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 经度。
+    /// </summary>
+    public double Longitude { get; init; }
+
+    /// <summary>
+    /// 纬度。
+    /// </summary>
+    public double Latitude { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CheckStoreQualificationsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CheckStoreQualificationsQuery.cs
new file mode 100644
index 0000000..b7100eb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/CheckStoreQualificationsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 检查门店资质完整性查询。
+/// </summary>
+public sealed record CheckStoreQualificationsQuery : IRequest<StoreQualificationCheckResultDto>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ExportStoreTableQRCodesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ExportStoreTableQRCodesQuery.cs
new file mode 100644
index 0000000..230fda0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ExportStoreTableQRCodesQuery.cs
@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 导出桌码二维码查询。
+/// </summary>
+public sealed record ExportStoreTableQRCodesQuery : IRequest<StoreTableExportResult?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域筛选。
+    /// </summary>
+    public long? AreaId { get; init; }
+
+    /// <summary>
+    /// 内容模板，使用 {code} 占位。
+    /// </summary>
+    public string? QrContentTemplate { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetAvailablePickupSlotsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetAvailablePickupSlotsQuery.cs
new file mode 100644
index 0000000..f3310b8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetAvailablePickupSlotsQuery.cs
@@ -0,0 +1,21 @@
+using System;
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 获取可用自提档期查询。
+/// </summary>
+public sealed record GetAvailablePickupSlotsQuery : IRequest<IReadOnlyList<StorePickupSlotDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 目标日期（本地日期部分）。
+    /// </summary>
+    public DateTime Date { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreByIdQuery.cs
new file mode 100644
index 0000000..7f0699e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 获取门店详情查询。
+/// </summary>
+public sealed class GetStoreByIdQuery : IRequest<StoreDto?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreFeeQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreFeeQuery.cs
new file mode 100644
index 0000000..f93897d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreFeeQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 获取门店费用配置查询。
+/// </summary>
+public sealed record GetStoreFeeQuery : IRequest<StoreFeeDto?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStorePickupSettingQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStorePickupSettingQuery.cs
new file mode 100644
index 0000000..f0a4e28
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStorePickupSettingQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 获取门店自提配置查询。
+/// </summary>
+public sealed record GetStorePickupSettingQuery : IRequest<StorePickupSettingDto?>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreTableContextQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreTableContextQuery.cs
new file mode 100644
index 0000000..2ed641e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/GetStoreTableContextQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 桌码上下文查询。
+/// </summary>
+public sealed record GetStoreTableContextQuery : IRequest<StoreTableContextDto?>
+{
+    /// <summary>
+    /// 桌码。
+    /// </summary>
+    public string TableCode { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListExpiringStoreQualificationsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListExpiringStoreQualificationsQuery.cs
new file mode 100644
index 0000000..7c4cfd5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListExpiringStoreQualificationsQuery.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 资质预警分页查询。
+/// </summary>
+public sealed record ListExpiringStoreQualificationsQuery : IRequest<StoreQualificationAlertResultDto>
+{
+    /// <summary>
+    /// 过期阈值天数（默认 30 天）。
+    /// </summary>
+    public int? DaysThreshold { get; init; }
+
+    /// <summary>
+    /// 租户 ID（可选，默认当前租户；禁止跨租户）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 是否仅显示已过期。
+    /// </summary>
+    public bool Expired { get; init; }
+
+    /// <summary>
+    /// 当前页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreBusinessHoursQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreBusinessHoursQuery.cs
new file mode 100644
index 0000000..dac381a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreBusinessHoursQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 营业时段列表查询。
+/// </summary>
+public sealed record ListStoreBusinessHoursQuery : IRequest<IReadOnlyList<StoreBusinessHourDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreDeliveryZonesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreDeliveryZonesQuery.cs
new file mode 100644
index 0000000..c3ed9ed
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreDeliveryZonesQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 配送区域列表查询。
+/// </summary>
+public sealed record ListStoreDeliveryZonesQuery : IRequest<IReadOnlyList<StoreDeliveryZoneDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreEmployeeShiftsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreEmployeeShiftsQuery.cs
new file mode 100644
index 0000000..0684b06
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreEmployeeShiftsQuery.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 员工排班列表查询（支持日期区间）。
+/// </summary>
+public sealed record ListStoreEmployeeShiftsQuery : IRequest<IReadOnlyList<StoreEmployeeShiftDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 开始日期（含），默认今日。
+    /// </summary>
+    public DateTime? From { get; init; }
+
+    /// <summary>
+    /// 结束日期（含），默认今日+7。
+    /// </summary>
+    public DateTime? To { get; init; }
+
+    /// <summary>
+    /// 可选员工筛选。
+    /// </summary>
+    public long? StaffId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreHolidaysQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreHolidaysQuery.cs
new file mode 100644
index 0000000..bf14cd2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreHolidaysQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 门店节假日列表查询。
+/// </summary>
+public sealed record ListStoreHolidaysQuery : IRequest<IReadOnlyList<StoreHolidayDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStorePickupSlotsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStorePickupSlotsQuery.cs
new file mode 100644
index 0000000..88660af
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStorePickupSlotsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 门店档期列表查询。
+/// </summary>
+public sealed record ListStorePickupSlotsQuery : IRequest<IReadOnlyList<StorePickupSlotDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreQualificationsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreQualificationsQuery.cs
new file mode 100644
index 0000000..c2803b1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreQualificationsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 查询门店资质列表。
+/// </summary>
+public sealed record ListStoreQualificationsQuery : IRequest<IReadOnlyList<StoreQualificationDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreStaffQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreStaffQuery.cs
new file mode 100644
index 0000000..23004f9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreStaffQuery.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 门店员工列表查询。
+/// </summary>
+public sealed record ListStoreStaffQuery : IRequest<IReadOnlyList<StoreStaffDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 角色筛选。
+    /// </summary>
+    public StaffRoleType? RoleType { get; init; }
+
+    /// <summary>
+    /// 状态筛选。
+    /// </summary>
+    public StaffStatus? Status { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreTableAreasQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreTableAreasQuery.cs
new file mode 100644
index 0000000..6af7efc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreTableAreasQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 门店桌台区域列表查询。
+/// </summary>
+public sealed record ListStoreTableAreasQuery : IRequest<IReadOnlyList<StoreTableAreaDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreTablesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreTablesQuery.cs
new file mode 100644
index 0000000..707e915
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Queries/ListStoreTablesQuery.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Queries;
+
+/// <summary>
+/// 门店桌码列表查询。
+/// </summary>
+public sealed record ListStoreTablesQuery : IRequest<IReadOnlyList<StoreTableDto>>
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 区域筛选。
+    /// </summary>
+    public long? AreaId { get; init; }
+
+    /// <summary>
+    /// 状态筛选。
+    /// </summary>
+    public StoreTableStatus? Status { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Services/GeoJsonValidationResult.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Services/GeoJsonValidationResult.cs
new file mode 100644
index 0000000..5144d14
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Services/GeoJsonValidationResult.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Application.App.Stores.Services;
+
+/// <summary>
+/// GeoJSON 校验结果。
+/// </summary>
+public sealed record GeoJsonValidationResult
+{
+    /// <summary>
+    /// 是否通过校验。
+    /// </summary>
+    public bool IsValid { get; init; }
+
+    /// <summary>
+    /// 规范化后的 GeoJSON（自动闭合时输出）。
+    /// </summary>
+    public string? NormalizedGeoJson { get; init; }
+
+    /// <summary>
+    /// 错误信息。
+    /// </summary>
+    public string? ErrorMessage { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Services/IDeliveryZoneService.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IDeliveryZoneService.cs
new file mode 100644
index 0000000..892c39f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IDeliveryZoneService.cs
@@ -0,0 +1,22 @@
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+
+namespace TakeoutSaaS.Application.App.Stores.Services;
+
+/// <summary>
+/// 配送范围检测服务。
+/// </summary>
+public interface IDeliveryZoneService
+{
+    /// <summary>
+    /// 检测坐标是否落在配送范围内。
+    /// </summary>
+    /// <param name="zones">配送区域列表。</param>
+    /// <param name="longitude">经度。</param>
+    /// <param name="latitude">纬度。</param>
+    /// <returns>检测结果。</returns>
+    StoreDeliveryCheckResultDto CheckPointInZones(
+        IReadOnlyList<StoreDeliveryZone> zones,
+        double longitude,
+        double latitude);
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Services/IGeoJsonValidationService.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IGeoJsonValidationService.cs
new file mode 100644
index 0000000..0454921
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IGeoJsonValidationService.cs
@@ -0,0 +1,14 @@
+namespace TakeoutSaaS.Application.App.Stores.Services;
+
+/// <summary>
+/// GeoJSON 校验服务。
+/// </summary>
+public interface IGeoJsonValidationService
+{
+    /// <summary>
+    /// 校验多边形 GeoJSON 并返回规范化结果。
+    /// </summary>
+    /// <param name="geoJson">GeoJSON 字符串。</param>
+    /// <returns>校验结果。</returns>
+    GeoJsonValidationResult ValidatePolygon(string geoJson);
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Services/IStoreFeeCalculationService.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IStoreFeeCalculationService.cs
new file mode 100644
index 0000000..e3c4d91
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IStoreFeeCalculationService.cs
@@ -0,0 +1,18 @@
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Stores.Entities;
+
+namespace TakeoutSaaS.Application.App.Stores.Services;
+
+/// <summary>
+/// 门店费用计算服务。
+/// </summary>
+public interface IStoreFeeCalculationService
+{
+    /// <summary>
+    /// 计算费用预览。
+    /// </summary>
+    /// <param name="fee">门店费用配置。</param>
+    /// <param name="request">计算请求。</param>
+    /// <returns>计算结果。</returns>
+    StoreFeeCalculationResultDto Calculate(StoreFee fee, StoreFeeCalculationRequestDto request);
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Services/IStoreSchedulerService.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IStoreSchedulerService.cs
new file mode 100644
index 0000000..bb19174
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Services/IStoreSchedulerService.cs
@@ -0,0 +1,23 @@
+namespace TakeoutSaaS.Application.App.Stores.Services;
+
+/// <summary>
+/// 门店定时任务服务。
+/// </summary>
+public interface IStoreSchedulerService
+{
+    /// <summary>
+    /// 自动切换门店营业状态。
+    /// </summary>
+    /// <param name="now">当前时间（UTC）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新的门店数量。</returns>
+    Task<int> AutoSwitchBusinessStatusAsync(DateTime now, CancellationToken cancellationToken);
+
+    /// <summary>
+    /// 检查门店资质过期并更新状态。
+    /// </summary>
+    /// <param name="now">当前时间（UTC）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新的门店数量。</returns>
+    Task<int> CheckQualificationExpiryAsync(DateTime now, CancellationToken cancellationToken);
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/BatchUpdateBusinessHoursCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/BatchUpdateBusinessHoursCommandValidator.cs
new file mode 100644
index 0000000..a113b63
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/BatchUpdateBusinessHoursCommandValidator.cs
@@ -0,0 +1,40 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 批量更新营业时段命令验证器。
+/// </summary>
+public sealed class BatchUpdateBusinessHoursCommandValidator : AbstractValidator<BatchUpdateBusinessHoursCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public BatchUpdateBusinessHoursCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+
+        RuleForEach(x => x.Items).ChildRules(item =>
+        {
+            item.RuleFor(x => x.StartTime).NotNull();
+            item.RuleFor(x => x.EndTime).NotNull();
+            item.RuleFor(x => x.CapacityLimit).GreaterThanOrEqualTo(0).When(x => x.CapacityLimit.HasValue);
+            item.RuleFor(x => x.Notes).MaximumLength(256);
+        });
+
+        RuleFor(x => x.Items).Custom((items, context) =>
+        {
+            if (items == null || items.Count == 0)
+            {
+                return;
+            }
+
+            var error = BusinessHourValidators.ValidateOverlap(items);
+            if (!string.IsNullOrWhiteSpace(error))
+            {
+                context.AddFailure(error);
+            }
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/BusinessHourValidators.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/BusinessHourValidators.cs
new file mode 100644
index 0000000..1a6f2c8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/BusinessHourValidators.cs
@@ -0,0 +1,65 @@
+using System.Linq;
+using TakeoutSaaS.Application.App.Stores.Dto;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 营业时段校验助手。
+/// </summary>
+public static class BusinessHourValidators
+{
+    /// <summary>
+    /// 校验营业时段是否存在重叠。
+    /// </summary>
+    /// <param name="items">营业时段列表。</param>
+    /// <returns>错误信息，若为空表示通过。</returns>
+    public static string? ValidateOverlap(IReadOnlyList<StoreBusinessHourInputDto> items)
+    {
+        if (items.Count == 0)
+        {
+            return null;
+        }
+
+        var segments = new List<(DayOfWeek Day, TimeSpan Start, TimeSpan End)>();
+        foreach (var item in items)
+        {
+            if (item.StartTime == item.EndTime)
+            {
+                return "营业时段开始时间不能等于结束时间";
+            }
+
+            if (item.StartTime < item.EndTime)
+            {
+                segments.Add((item.DayOfWeek, item.StartTime, item.EndTime));
+                continue;
+            }
+
+            var nextDay = NextDay(item.DayOfWeek);
+            segments.Add((item.DayOfWeek, item.StartTime, TimeSpan.FromDays(1)));
+            segments.Add((nextDay, TimeSpan.Zero, item.EndTime));
+        }
+
+        var grouped = segments.GroupBy(x => x.Day).ToList();
+        foreach (var group in grouped)
+        {
+            var ordered = group.OrderBy(x => x.Start).ToList();
+            for (var index = 0; index < ordered.Count - 1; index++)
+            {
+                var current = ordered[index];
+                var next = ordered[index + 1];
+                if (next.Start < current.End)
+                {
+                    return "营业时段存在重叠，请调整";
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private static DayOfWeek NextDay(DayOfWeek day)
+    {
+        var next = (int)day + 1;
+        return next > 6 ? DayOfWeek.Sunday : (DayOfWeek)next;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CalculateStoreFeeQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CalculateStoreFeeQueryValidator.cs
new file mode 100644
index 0000000..5b51ad6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CalculateStoreFeeQueryValidator.cs
@@ -0,0 +1,26 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Queries;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 费用预览计算查询验证器。
+/// </summary>
+public sealed class CalculateStoreFeeQueryValidator : AbstractValidator<CalculateStoreFeeQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CalculateStoreFeeQueryValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.OrderAmount).GreaterThanOrEqualTo(0);
+
+        RuleForEach(x => x.Items).ChildRules(item =>
+        {
+            item.RuleFor(x => x.SkuId).GreaterThan(0);
+            item.RuleFor(x => x.Quantity).GreaterThan(0);
+            item.RuleFor(x => x.PackagingFee).GreaterThanOrEqualTo(0);
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CheckStoreDeliveryZoneQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CheckStoreDeliveryZoneQueryValidator.cs
new file mode 100644
index 0000000..0d62c63
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CheckStoreDeliveryZoneQueryValidator.cs
@@ -0,0 +1,20 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Queries;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 配送范围检测查询验证器。
+/// </summary>
+public sealed class CheckStoreDeliveryZoneQueryValidator : AbstractValidator<CheckStoreDeliveryZoneQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CheckStoreDeliveryZoneQueryValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Longitude).InclusiveBetween(-180, 180);
+        RuleFor(x => x.Latitude).InclusiveBetween(-90, 90);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreBusinessHourCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreBusinessHourCommandValidator.cs
new file mode 100644
index 0000000..2eec370
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreBusinessHourCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建营业时段命令验证器。
+/// </summary>
+public sealed class CreateStoreBusinessHourCommandValidator : AbstractValidator<CreateStoreBusinessHourCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreBusinessHourCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.StartTime).NotEqual(x => x.EndTime).WithMessage("开始时间不能等于结束时间");
+        RuleFor(x => x.CapacityLimit).GreaterThanOrEqualTo(0).When(x => x.CapacityLimit.HasValue);
+        RuleFor(x => x.Notes).MaximumLength(256);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreDeliveryZoneCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreDeliveryZoneCommandValidator.cs
new file mode 100644
index 0000000..b8878e3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreDeliveryZoneCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建配送区域命令验证器。
+/// </summary>
+public sealed class CreateStoreDeliveryZoneCommandValidator : AbstractValidator<CreateStoreDeliveryZoneCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreDeliveryZoneCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ZoneName).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.PolygonGeoJson).NotEmpty();
+        RuleFor(x => x.MinimumOrderAmount).GreaterThanOrEqualTo(0).When(x => x.MinimumOrderAmount.HasValue);
+        RuleFor(x => x.DeliveryFee).GreaterThanOrEqualTo(0).When(x => x.DeliveryFee.HasValue);
+        RuleFor(x => x.EstimatedMinutes).GreaterThan(0).When(x => x.EstimatedMinutes.HasValue);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreEmployeeShiftCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreEmployeeShiftCommandValidator.cs
new file mode 100644
index 0000000..9a0cb21
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreEmployeeShiftCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建排班命令验证器。
+/// </summary>
+public sealed class CreateStoreEmployeeShiftCommandValidator : AbstractValidator<CreateStoreEmployeeShiftCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreEmployeeShiftCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.StaffId).GreaterThan(0);
+        RuleFor(x => x.ShiftDate).NotEmpty();
+        RuleFor(x => x.StartTime).LessThan(x => x.EndTime).WithMessage("结束时间必须晚于开始时间");
+        RuleFor(x => x.Notes).MaximumLength(256);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreHolidayCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreHolidayCommandValidator.cs
new file mode 100644
index 0000000..6bb463e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreHolidayCommandValidator.cs
@@ -0,0 +1,41 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建节假日命令验证器。
+/// </summary>
+public sealed class CreateStoreHolidayCommandValidator : AbstractValidator<CreateStoreHolidayCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreHolidayCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Date).NotEmpty();
+
+        RuleFor(x => x.EndDate)
+            .GreaterThanOrEqualTo(x => x.Date)
+            .When(x => x.EndDate.HasValue)
+            .WithMessage("结束日期不能早于开始日期");
+
+        RuleFor(x => x.StartTime)
+            .NotNull()
+            .When(x => !x.IsAllDay)
+            .WithMessage("非全天模式下必须填写开始时间");
+
+        RuleFor(x => x.EndTime)
+            .NotNull()
+            .When(x => !x.IsAllDay)
+            .WithMessage("非全天模式下必须填写结束时间");
+
+        RuleFor(x => x.EndTime)
+            .GreaterThan(x => x.StartTime)
+            .When(x => !x.IsAllDay && x.StartTime.HasValue && x.EndTime.HasValue)
+            .WithMessage("结束时间必须晚于开始时间");
+
+        RuleFor(x => x.Reason).MaximumLength(200);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStorePickupSlotCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStorePickupSlotCommandValidator.cs
new file mode 100644
index 0000000..75def24
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStorePickupSlotCommandValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建自提档期验证器。
+/// </summary>
+public sealed class CreateStorePickupSlotCommandValidator : AbstractValidator<CreateStorePickupSlotCommand>
+{
+    /// <summary>
+    /// 初始化规则。
+    /// </summary>
+    public CreateStorePickupSlotCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Capacity).GreaterThan(0);
+        RuleFor(x => x.Weekdays).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.CutoffMinutes).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.EndTime).GreaterThan(x => x.StartTime);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreQualificationCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreQualificationCommandValidator.cs
new file mode 100644
index 0000000..43a7373
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreQualificationCommandValidator.cs
@@ -0,0 +1,42 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建门店资质命令验证器。
+/// </summary>
+public sealed class CreateStoreQualificationCommandValidator : AbstractValidator<CreateStoreQualificationCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreQualificationCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.QualificationType).IsInEnum();
+        RuleFor(x => x.FileUrl).NotEmpty().MaximumLength(500);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.DocumentNumber).MaximumLength(100);
+
+        RuleFor(x => x.ExpiresAt)
+            .Must(date => date.HasValue && date.Value > DateOnly.FromDateTime(DateTime.UtcNow))
+            .When(x => IsLicenseType(x.QualificationType))
+            .WithMessage("证照有效期必须晚于今天");
+
+        RuleFor(x => x.DocumentNumber)
+            .NotEmpty()
+            .MinimumLength(2)
+            .When(x => IsLicenseType(x.QualificationType))
+            .WithMessage("证照编号不能为空");
+
+        RuleFor(x => x.ExpiresAt)
+            .Must(date => !date.HasValue || date.Value > DateOnly.FromDateTime(DateTime.UtcNow))
+            .When(x => !IsLicenseType(x.QualificationType))
+            .WithMessage("证照有效期必须晚于今天");
+    }
+
+    private static bool IsLicenseType(StoreQualificationType type)
+        => type is StoreQualificationType.BusinessLicense or StoreQualificationType.FoodServiceLicense;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreStaffCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreStaffCommandValidator.cs
new file mode 100644
index 0000000..7e4e44b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreStaffCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建门店员工命令验证器。
+/// </summary>
+public sealed class CreateStoreStaffCommandValidator : AbstractValidator<CreateStoreStaffCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreStaffCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Phone).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.Email).EmailAddress().When(x => !string.IsNullOrWhiteSpace(x.Email));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreTableAreaCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreTableAreaCommandValidator.cs
new file mode 100644
index 0000000..9f6649b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/CreateStoreTableAreaCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 创建桌台区域命令验证器。
+/// </summary>
+public sealed class CreateStoreTableAreaCommandValidator : AbstractValidator<CreateStoreTableAreaCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateStoreTableAreaCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Description).MaximumLength(256);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/DeleteStorePickupSlotCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/DeleteStorePickupSlotCommandValidator.cs
new file mode 100644
index 0000000..a7b70f5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/DeleteStorePickupSlotCommandValidator.cs
@@ -0,0 +1,19 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 删除自提档期验证器。
+/// </summary>
+public sealed class DeleteStorePickupSlotCommandValidator : AbstractValidator<DeleteStorePickupSlotCommand>
+{
+    /// <summary>
+    /// 初始化规则。
+    /// </summary>
+    public DeleteStorePickupSlotCommandValidator()
+    {
+        RuleFor(x => x.SlotId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/DeleteStoreQualificationCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/DeleteStoreQualificationCommandValidator.cs
new file mode 100644
index 0000000..7797b76
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/DeleteStoreQualificationCommandValidator.cs
@@ -0,0 +1,19 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 删除门店资质命令验证器。
+/// </summary>
+public sealed class DeleteStoreQualificationCommandValidator : AbstractValidator<DeleteStoreQualificationCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public DeleteStoreQualificationCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.QualificationId).GreaterThan(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/GenerateStoreTablesCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/GenerateStoreTablesCommandValidator.cs
new file mode 100644
index 0000000..534caca
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/GenerateStoreTablesCommandValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 批量生成桌码命令验证器。
+/// </summary>
+public sealed class GenerateStoreTablesCommandValidator : AbstractValidator<GenerateStoreTablesCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public GenerateStoreTablesCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.TableCodePrefix).NotEmpty().MaximumLength(16);
+        RuleFor(x => x.StartNumber).GreaterThan(0);
+        RuleFor(x => x.Count).GreaterThan(0).LessThanOrEqualTo(500);
+        RuleFor(x => x.DefaultCapacity).GreaterThan(0).LessThanOrEqualTo(50);
+        RuleFor(x => x.Tags).MaximumLength(128);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/GetStoreTableContextQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/GetStoreTableContextQueryValidator.cs
new file mode 100644
index 0000000..bb80b34
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/GetStoreTableContextQueryValidator.cs
@@ -0,0 +1,18 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Queries;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 桌码上下文查询验证器。
+/// </summary>
+public sealed class GetStoreTableContextQueryValidator : AbstractValidator<GetStoreTableContextQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public GetStoreTableContextQueryValidator()
+    {
+        RuleFor(x => x.TableCode).NotEmpty().MaximumLength(32);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/SubmitStoreAuditCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/SubmitStoreAuditCommandValidator.cs
new file mode 100644
index 0000000..c3618d2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/SubmitStoreAuditCommandValidator.cs
@@ -0,0 +1,18 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 提交门店审核命令验证器。
+/// </summary>
+public sealed class SubmitStoreAuditCommandValidator : AbstractValidator<SubmitStoreAuditCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SubmitStoreAuditCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/ToggleBusinessStatusCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/ToggleBusinessStatusCommandValidator.cs
new file mode 100644
index 0000000..472db30
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/ToggleBusinessStatusCommandValidator.cs
@@ -0,0 +1,29 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 切换门店经营状态命令验证器。
+/// </summary>
+public sealed class ToggleBusinessStatusCommandValidator : AbstractValidator<ToggleBusinessStatusCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public ToggleBusinessStatusCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.BusinessStatus)
+            .Must(status => status is StoreBusinessStatus.Open or StoreBusinessStatus.Resting)
+            .WithMessage("仅允许切换营业中或休息中");
+
+        RuleFor(x => x.ClosureReason)
+            .NotNull()
+            .When(x => x.BusinessStatus == StoreBusinessStatus.Resting)
+            .WithMessage("切换休息中必须选择歇业原因");
+
+        RuleFor(x => x.ClosureReasonText).MaximumLength(500);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreBusinessHourCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreBusinessHourCommandValidator.cs
new file mode 100644
index 0000000..2e6f967
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreBusinessHourCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新营业时段命令验证器。
+/// </summary>
+public sealed class UpdateStoreBusinessHourCommandValidator : AbstractValidator<UpdateStoreBusinessHourCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreBusinessHourCommandValidator()
+    {
+        RuleFor(x => x.BusinessHourId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.StartTime).NotEqual(x => x.EndTime).WithMessage("开始时间不能等于结束时间");
+        RuleFor(x => x.CapacityLimit).GreaterThanOrEqualTo(0).When(x => x.CapacityLimit.HasValue);
+        RuleFor(x => x.Notes).MaximumLength(256);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreDeliveryZoneCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreDeliveryZoneCommandValidator.cs
new file mode 100644
index 0000000..5de6927
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreDeliveryZoneCommandValidator.cs
@@ -0,0 +1,25 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新配送区域命令验证器。
+/// </summary>
+public sealed class UpdateStoreDeliveryZoneCommandValidator : AbstractValidator<UpdateStoreDeliveryZoneCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreDeliveryZoneCommandValidator()
+    {
+        RuleFor(x => x.DeliveryZoneId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.ZoneName).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.PolygonGeoJson).NotEmpty();
+        RuleFor(x => x.MinimumOrderAmount).GreaterThanOrEqualTo(0).When(x => x.MinimumOrderAmount.HasValue);
+        RuleFor(x => x.DeliveryFee).GreaterThanOrEqualTo(0).When(x => x.DeliveryFee.HasValue);
+        RuleFor(x => x.EstimatedMinutes).GreaterThan(0).When(x => x.EstimatedMinutes.HasValue);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreEmployeeShiftCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreEmployeeShiftCommandValidator.cs
new file mode 100644
index 0000000..53eb742
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreEmployeeShiftCommandValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新排班命令验证器。
+/// </summary>
+public sealed class UpdateStoreEmployeeShiftCommandValidator : AbstractValidator<UpdateStoreEmployeeShiftCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreEmployeeShiftCommandValidator()
+    {
+        RuleFor(x => x.ShiftId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.StaffId).GreaterThan(0);
+        RuleFor(x => x.ShiftDate).NotEmpty();
+        RuleFor(x => x.StartTime).LessThan(x => x.EndTime).WithMessage("结束时间必须晚于开始时间");
+        RuleFor(x => x.Notes).MaximumLength(256);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreFeeCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreFeeCommandValidator.cs
new file mode 100644
index 0000000..2b145bd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreFeeCommandValidator.cs
@@ -0,0 +1,87 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新门店费用配置命令验证器。
+/// </summary>
+public sealed class UpdateStoreFeeCommandValidator : AbstractValidator<UpdateStoreFeeCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreFeeCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.MinimumOrderAmount).GreaterThanOrEqualTo(0).LessThanOrEqualTo(9999.99m);
+        RuleFor(x => x.DeliveryFee).GreaterThanOrEqualTo(0).LessThanOrEqualTo(999.99m);
+        RuleFor(x => x.FreeDeliveryThreshold).GreaterThanOrEqualTo(0).When(x => x.FreeDeliveryThreshold.HasValue);
+
+        RuleFor(x => x.FixedPackagingFee)
+            .NotNull()
+            .When(x => x.PackagingFeeMode == PackagingFeeMode.Fixed && x.OrderPackagingFeeMode == OrderPackagingFeeMode.Fixed)
+            .WithMessage("总计打包费模式下必须填写固定打包费");
+
+        RuleFor(x => x.FixedPackagingFee)
+            .Must(fee => !fee.HasValue || fee.Value <= 99.99m)
+            .WithMessage("固定打包费不能超过 99.99");
+
+        RuleFor(x => x.FixedPackagingFee)
+            .Must(fee => !fee.HasValue || fee.Value >= 0)
+            .WithMessage("固定打包费不能为负数");
+
+        RuleFor(x => x)
+            .Custom((command, context) =>
+            {
+                if (command.PackagingFeeMode != PackagingFeeMode.Fixed || command.OrderPackagingFeeMode != OrderPackagingFeeMode.Tiered)
+                {
+                    return;
+                }
+
+                if (command.PackagingFeeTiers is null || command.PackagingFeeTiers.Count == 0)
+                {
+                    context.AddFailure("阶梯价模式必须配置至少 1 个区间");
+                    return;
+                }
+
+                if (command.PackagingFeeTiers.Count > 10)
+                {
+                    context.AddFailure("阶梯价最多支持 10 个区间");
+                    return;
+                }
+
+                var expectedMin = 0m;
+                for (var index = 0; index < command.PackagingFeeTiers.Count; index++)
+                {
+                    var tier = command.PackagingFeeTiers[index];
+                    if (tier.Fee < 0 || tier.Fee > 99.99m)
+                    {
+                        context.AddFailure($"第 {index + 1} 个阶梯打包费需在 0~99.99 之间");
+                        return;
+                    }
+
+                    if (tier.MaxPrice.HasValue && tier.MaxPrice.Value <= expectedMin)
+                    {
+                        context.AddFailure($"第 {index + 1} 个阶梯上限必须大于 {expectedMin:0.##}");
+                        return;
+                    }
+
+                    if (!tier.MaxPrice.HasValue && index != command.PackagingFeeTiers.Count - 1)
+                    {
+                        context.AddFailure("仅允许最后一个阶梯的上限为空");
+                        return;
+                    }
+
+                    if (tier.MaxPrice.HasValue && tier.MaxPrice.Value > 99999.99m)
+                    {
+                        context.AddFailure($"第 {index + 1} 个阶梯上限不能超过 99999.99");
+                        return;
+                    }
+
+                    expectedMin = tier.MaxPrice ?? expectedMin;
+                }
+            });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreHolidayCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreHolidayCommandValidator.cs
new file mode 100644
index 0000000..cc36913
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreHolidayCommandValidator.cs
@@ -0,0 +1,42 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新节假日命令验证器。
+/// </summary>
+public sealed class UpdateStoreHolidayCommandValidator : AbstractValidator<UpdateStoreHolidayCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreHolidayCommandValidator()
+    {
+        RuleFor(x => x.HolidayId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Date).NotEmpty();
+
+        RuleFor(x => x.EndDate)
+            .GreaterThanOrEqualTo(x => x.Date)
+            .When(x => x.EndDate.HasValue)
+            .WithMessage("结束日期不能早于开始日期");
+
+        RuleFor(x => x.StartTime)
+            .NotNull()
+            .When(x => !x.IsAllDay)
+            .WithMessage("非全天模式下必须填写开始时间");
+
+        RuleFor(x => x.EndTime)
+            .NotNull()
+            .When(x => !x.IsAllDay)
+            .WithMessage("非全天模式下必须填写结束时间");
+
+        RuleFor(x => x.EndTime)
+            .GreaterThan(x => x.StartTime)
+            .When(x => !x.IsAllDay && x.StartTime.HasValue && x.EndTime.HasValue)
+            .WithMessage("结束时间必须晚于开始时间");
+
+        RuleFor(x => x.Reason).MaximumLength(200);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStorePickupSlotCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStorePickupSlotCommandValidator.cs
new file mode 100644
index 0000000..7ae91d0
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStorePickupSlotCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新自提档期验证器。
+/// </summary>
+public sealed class UpdateStorePickupSlotCommandValidator : AbstractValidator<UpdateStorePickupSlotCommand>
+{
+    /// <summary>
+    /// 初始化规则。
+    /// </summary>
+    public UpdateStorePickupSlotCommandValidator()
+    {
+        RuleFor(x => x.SlotId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Capacity).GreaterThan(0);
+        RuleFor(x => x.Weekdays).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.CutoffMinutes).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.EndTime).GreaterThan(x => x.StartTime);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreQualificationCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreQualificationCommandValidator.cs
new file mode 100644
index 0000000..66851c4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreQualificationCommandValidator.cs
@@ -0,0 +1,26 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新门店资质命令验证器。
+/// </summary>
+public sealed class UpdateStoreQualificationCommandValidator : AbstractValidator<UpdateStoreQualificationCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreQualificationCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.QualificationId).GreaterThan(0);
+        RuleFor(x => x.FileUrl).MaximumLength(500).When(x => !string.IsNullOrWhiteSpace(x.FileUrl));
+        RuleFor(x => x.DocumentNumber).MaximumLength(100).When(x => !string.IsNullOrWhiteSpace(x.DocumentNumber));
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0).When(x => x.SortOrder.HasValue);
+        RuleFor(x => x.ExpiresAt)
+            .Must(date => !date.HasValue || date.Value > DateOnly.FromDateTime(DateTime.UtcNow))
+            .When(x => x.ExpiresAt.HasValue)
+            .WithMessage("证照有效期必须晚于今天");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreStaffCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreStaffCommandValidator.cs
new file mode 100644
index 0000000..27794d2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreStaffCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新门店员工命令验证器。
+/// </summary>
+public sealed class UpdateStoreStaffCommandValidator : AbstractValidator<UpdateStoreStaffCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreStaffCommandValidator()
+    {
+        RuleFor(x => x.StaffId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Phone).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.Email).EmailAddress().When(x => !string.IsNullOrWhiteSpace(x.Email));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreTableAreaCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreTableAreaCommandValidator.cs
new file mode 100644
index 0000000..31d2b98
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreTableAreaCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新桌台区域命令验证器。
+/// </summary>
+public sealed class UpdateStoreTableAreaCommandValidator : AbstractValidator<UpdateStoreTableAreaCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreTableAreaCommandValidator()
+    {
+        RuleFor(x => x.AreaId).GreaterThan(0);
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Description).MaximumLength(256);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreTableCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreTableCommandValidator.cs
new file mode 100644
index 0000000..340453e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpdateStoreTableCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 更新桌码命令验证器。
+/// </summary>
+public sealed class UpdateStoreTableCommandValidator : AbstractValidator<UpdateStoreTableCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateStoreTableCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.TableId).GreaterThan(0);
+        RuleFor(x => x.TableCode).NotEmpty().MaximumLength(32);
+        RuleFor(x => x.Capacity).GreaterThan(0).LessThanOrEqualTo(50);
+        RuleFor(x => x.Tags).MaximumLength(128);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpsertStorePickupSettingCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpsertStorePickupSettingCommandValidator.cs
new file mode 100644
index 0000000..2cc3d04
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Stores/Validators/UpsertStorePickupSettingCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Stores.Commands;
+
+namespace TakeoutSaaS.Application.App.Stores.Validators;
+
+/// <summary>
+/// 自提配置验证器。
+/// </summary>
+public sealed class UpsertStorePickupSettingCommandValidator : AbstractValidator<UpsertStorePickupSettingCommand>
+{
+    /// <summary>
+    /// 初始化规则。
+    /// </summary>
+    public UpsertStorePickupSettingCommandValidator()
+    {
+        RuleFor(x => x.StoreId).GreaterThan(0);
+        RuleFor(x => x.AllowDaysAhead).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.DefaultCutoffMinutes).GreaterThanOrEqualTo(0);
+        RuleFor(x => x.MaxQuantityPerOrder).GreaterThan(0).When(x => x.MaxQuantityPerOrder.HasValue);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/BatchExtendSubscriptionsCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/BatchExtendSubscriptionsCommand.cs
new file mode 100644
index 0000000..0f2954b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/BatchExtendSubscriptionsCommand.cs
@@ -0,0 +1,72 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 批量延期订阅命令。
+/// </summary>
+public sealed record BatchExtendSubscriptionsCommand : IRequest<BatchExtendResult>
+{
+    /// <summary>
+    /// 订阅ID列表。
+    /// </summary>
+    [Required]
+    [MinLength(1, ErrorMessage = "至少需要选择一个订阅")]
+    public IReadOnlyList<long> SubscriptionIds { get; init; } = Array.Empty<long>();
+
+    /// <summary>
+    /// 延期时长（天）。
+    /// </summary>
+    [Range(1, 3650, ErrorMessage = "延期天数必须在1-3650天之间")]
+    public int? DurationDays { get; init; }
+
+    /// <summary>
+    /// 延期时长（月）。
+    /// </summary>
+    [Range(1, 120, ErrorMessage = "延期月数必须在1-120月之间")]
+    public int? DurationMonths { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    [MaxLength(500)]
+    public string? Notes { get; init; }
+}
+
+/// <summary>
+/// 批量延期结果。
+/// </summary>
+public record BatchExtendResult
+{
+    /// <summary>
+    /// 成功数量。
+    /// </summary>
+    public int SuccessCount { get; init; }
+
+    /// <summary>
+    /// 失败数量。
+    /// </summary>
+    public int FailureCount { get; init; }
+
+    /// <summary>
+    /// 失败详情列表。
+    /// </summary>
+    public IReadOnlyList<BatchFailureItem> Failures { get; init; } = Array.Empty<BatchFailureItem>();
+}
+
+/// <summary>
+/// 批量操作失败项。
+/// </summary>
+public record BatchFailureItem
+{
+    /// <summary>
+    /// 订阅ID。
+    /// </summary>
+    public long SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 失败原因。
+    /// </summary>
+    public string Reason { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/BatchSendReminderCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/BatchSendReminderCommand.cs
new file mode 100644
index 0000000..8c41be6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/BatchSendReminderCommand.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 批量发送续费提醒命令。
+/// </summary>
+public sealed record BatchSendReminderCommand : IRequest<BatchSendReminderResult>
+{
+    /// <summary>
+    /// 订阅ID列表。
+    /// </summary>
+    [Required]
+    [MinLength(1, ErrorMessage = "至少需要选择一个订阅")]
+    public IReadOnlyList<long> SubscriptionIds { get; init; } = Array.Empty<long>();
+
+    /// <summary>
+    /// 提醒内容。
+    /// </summary>
+    [Required(ErrorMessage = "提醒内容不能为空")]
+    [MaxLength(1000, ErrorMessage = "提醒内容不能超过1000字符")]
+    public string ReminderContent { get; init; } = string.Empty;
+}
+
+/// <summary>
+/// 批量发送提醒结果。
+/// </summary>
+public record BatchSendReminderResult
+{
+    /// <summary>
+    /// 成功发送数量。
+    /// </summary>
+    public int SuccessCount { get; init; }
+
+    /// <summary>
+    /// 发送失败数量。
+    /// </summary>
+    public int FailureCount { get; init; }
+
+    /// <summary>
+    /// 失败详情列表。
+    /// </summary>
+    public IReadOnlyList<BatchFailureItem> Failures { get; init; } = Array.Empty<BatchFailureItem>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ChangeSubscriptionPlanCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ChangeSubscriptionPlanCommand.cs
new file mode 100644
index 0000000..3b85ae5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ChangeSubscriptionPlanCommand.cs
@@ -0,0 +1,34 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 变更套餐命令。
+/// </summary>
+public sealed record ChangeSubscriptionPlanCommand : IRequest<SubscriptionDetailDto?>
+{
+    /// <summary>
+    /// 订阅 ID（从路由参数绑定）。
+    /// </summary>
+    [Required]
+    public long SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 目标套餐 ID。
+    /// </summary>
+    [Required]
+    public long TargetPackageId { get; init; }
+
+    /// <summary>
+    /// 是否立即生效，否则在下周期生效。
+    /// </summary>
+    public bool Immediate { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    [MaxLength(500)]
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ExtendSubscriptionCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ExtendSubscriptionCommand.cs
new file mode 100644
index 0000000..6034e01
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ExtendSubscriptionCommand.cs
@@ -0,0 +1,29 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 延期订阅命令。
+/// </summary>
+public sealed record ExtendSubscriptionCommand : IRequest<SubscriptionDetailDto?>
+{
+    /// <summary>
+    /// 订阅 ID（从路由参数绑定）。
+    /// </summary>
+    [Required]
+    public long SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 延期时长（月）。
+    /// </summary>
+    [Range(1, 120)]
+    public int DurationMonths { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    [MaxLength(500)]
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessAutoRenewalCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessAutoRenewalCommand.cs
new file mode 100644
index 0000000..50849d7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessAutoRenewalCommand.cs
@@ -0,0 +1,33 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 处理自动续费：为开启自动续费且即将到期的订阅生成续费账单。
+/// </summary>
+public sealed record ProcessAutoRenewalCommand : IRequest<ProcessAutoRenewalResult>
+{
+    /// <summary>
+    /// 到期前 N 天生成续费账单。
+    /// </summary>
+    [Range(0, 365, ErrorMessage = "续费提前天数必须在 0~365 之间")]
+    public int RenewalDaysBeforeExpiry { get; init; } = 3;
+}
+
+/// <summary>
+/// 自动续费处理结果。
+/// </summary>
+public sealed record ProcessAutoRenewalResult
+{
+    /// <summary>
+    /// 扫描到的候选订阅数量。
+    /// </summary>
+    public int CandidateCount { get; init; }
+
+    /// <summary>
+    /// 实际创建的账单数量。
+    /// </summary>
+    public int CreatedBillCount { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessRenewalRemindersCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessRenewalRemindersCommand.cs
new file mode 100644
index 0000000..701c542
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessRenewalRemindersCommand.cs
@@ -0,0 +1,33 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 处理续费提醒：按到期前指定天数批量创建站内提醒通知（幂等）。
+/// </summary>
+public sealed record ProcessRenewalRemindersCommand : IRequest<ProcessRenewalRemindersResult>
+{
+    /// <summary>
+    /// 提醒时间点（到期前 N 天）。
+    /// </summary>
+    [MinLength(1, ErrorMessage = "至少需要配置一个提醒时间点")]
+    public IReadOnlyList<int> ReminderDaysBeforeExpiry { get; init; } = [7, 3, 1];
+}
+
+/// <summary>
+/// 续费提醒处理结果。
+/// </summary>
+public sealed record ProcessRenewalRemindersResult
+{
+    /// <summary>
+    /// 扫描到的候选订阅数量。
+    /// </summary>
+    public int CandidateCount { get; init; }
+
+    /// <summary>
+    /// 实际创建的提醒数量。
+    /// </summary>
+    public int CreatedReminderCount { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessSubscriptionExpiryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessSubscriptionExpiryCommand.cs
new file mode 100644
index 0000000..9de607e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/ProcessSubscriptionExpiryCommand.cs
@@ -0,0 +1,33 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 处理订阅到期：到期进入宽限期，宽限期结束自动暂停。
+/// </summary>
+public sealed record ProcessSubscriptionExpiryCommand : IRequest<ProcessSubscriptionExpiryResult>
+{
+    /// <summary>
+    /// 宽限期天数。
+    /// </summary>
+    [Range(0, 365, ErrorMessage = "宽限期天数必须在 0~365 之间")]
+    public int GracePeriodDays { get; init; } = 7;
+}
+
+/// <summary>
+/// 订阅到期处理结果。
+/// </summary>
+public sealed record ProcessSubscriptionExpiryResult
+{
+    /// <summary>
+    /// 从 Active 进入宽限期的数量。
+    /// </summary>
+    public int EnteredGracePeriodCount { get; init; }
+
+    /// <summary>
+    /// 宽限期到期并暂停的数量。
+    /// </summary>
+    public int SuspendedCount { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/UpdateSubscriptionCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/UpdateSubscriptionCommand.cs
new file mode 100644
index 0000000..dd16fc5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/UpdateSubscriptionCommand.cs
@@ -0,0 +1,28 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 更新订阅基础信息命令。
+/// </summary>
+public sealed record UpdateSubscriptionCommand : IRequest<SubscriptionDetailDto?>
+{
+    /// <summary>
+    /// 订阅 ID（从路由参数绑定）。
+    /// </summary>
+    [Required]
+    public long SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 是否自动续费。
+    /// </summary>
+    public bool? AutoRenew { get; init; }
+
+    /// <summary>
+    /// 运营备注信息。
+    /// </summary>
+    [MaxLength(500)]
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/UpdateSubscriptionStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/UpdateSubscriptionStatusCommand.cs
new file mode 100644
index 0000000..4e8240b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Commands/UpdateSubscriptionStatusCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Commands;
+
+/// <summary>
+/// 更新订阅状态命令。
+/// </summary>
+public sealed record UpdateSubscriptionStatusCommand : IRequest<SubscriptionDetailDto?>
+{
+    /// <summary>
+    /// 订阅 ID（从路由参数绑定）。
+    /// </summary>
+    [Required]
+    public long SubscriptionId { get; init; }
+
+    /// <summary>
+    /// 目标状态。
+    /// </summary>
+    [Required]
+    public SubscriptionStatus Status { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    [MaxLength(500)]
+    public string? Notes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/QuotaUsageDto.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/QuotaUsageDto.cs
new file mode 100644
index 0000000..0f36ea6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/QuotaUsageDto.cs
@@ -0,0 +1,52 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+/// <summary>
+/// 配额使用 DTO。
+/// </summary>
+public sealed record QuotaUsageDto
+{
+    /// <summary>
+    /// 配额 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 配额上限。
+    /// </summary>
+    public decimal LimitValue { get; init; }
+
+    /// <summary>
+    /// 已使用量。
+    /// </summary>
+    public decimal UsedValue { get; init; }
+
+    /// <summary>
+    /// 使用率（百分比）。
+    /// </summary>
+    public decimal UsagePercentage => LimitValue > 0 ? Math.Round(UsedValue / LimitValue * 100, 2) : 0;
+
+    /// <summary>
+    /// 剩余额度。
+    /// </summary>
+    public decimal RemainingValue => Math.Max(0, LimitValue - UsedValue);
+
+    /// <summary>
+    /// 重置周期描述。
+    /// </summary>
+    public string? ResetCycle { get; init; }
+
+    /// <summary>
+    /// 最近一次重置时间。
+    /// </summary>
+    public DateTime? LastResetAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionDetailDto.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionDetailDto.cs
new file mode 100644
index 0000000..2a91720
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionDetailDto.cs
@@ -0,0 +1,106 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+/// <summary>
+/// 订阅详情 DTO。
+/// </summary>
+public sealed record SubscriptionDetailDto
+{
+    /// <summary>
+    /// 订阅 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    public string TenantCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 当前套餐 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantPackageId { get; init; }
+
+    /// <summary>
+    /// 当前套餐信息。
+    /// </summary>
+    public TenantPackageDto? Package { get; init; }
+
+    /// <summary>
+    /// 排期套餐 ID（下周期生效）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long? ScheduledPackageId { get; init; }
+
+    /// <summary>
+    /// 排期套餐信息。
+    /// </summary>
+    public TenantPackageDto? ScheduledPackage { get; init; }
+
+    /// <summary>
+    /// 订阅状态。
+    /// </summary>
+    public SubscriptionStatus Status { get; init; }
+
+    /// <summary>
+    /// 生效时间（UTC）。
+    /// </summary>
+    public DateTime EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 到期时间（UTC）。
+    /// </summary>
+    public DateTime EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 下次计费时间。
+    /// </summary>
+    public DateTime? NextBillingDate { get; init; }
+
+    /// <summary>
+    /// 是否自动续费。
+    /// </summary>
+    public bool AutoRenew { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 配额使用情况列表。
+    /// </summary>
+    public IReadOnlyList<QuotaUsageDto> QuotaUsages { get; init; } = [];
+
+    /// <summary>
+    /// 订阅变更历史列表。
+    /// </summary>
+    public IReadOnlyList<SubscriptionHistoryDto> ChangeHistory { get; init; } = [];
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionHistoryDto.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionHistoryDto.cs
new file mode 100644
index 0000000..c513263
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionHistoryDto.cs
@@ -0,0 +1,80 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+/// <summary>
+/// 订阅变更历史 DTO。
+/// </summary>
+public sealed record SubscriptionHistoryDto
+{
+    /// <summary>
+    /// 历史记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 订阅 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantSubscriptionId { get; init; }
+
+    /// <summary>
+    /// 原套餐 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long FromPackageId { get; init; }
+
+    /// <summary>
+    /// 原套餐名称。
+    /// </summary>
+    public string FromPackageName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 新套餐 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long ToPackageId { get; init; }
+
+    /// <summary>
+    /// 新套餐名称。
+    /// </summary>
+    public string ToPackageName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 变更类型。
+    /// </summary>
+    public SubscriptionChangeType ChangeType { get; init; }
+
+    /// <summary>
+    /// 生效时间。
+    /// </summary>
+    public DateTime EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 到期时间。
+    /// </summary>
+    public DateTime EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 相关费用。
+    /// </summary>
+    public decimal? Amount { get; init; }
+
+    /// <summary>
+    /// 币种。
+    /// </summary>
+    public string? Currency { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionListDto.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionListDto.cs
new file mode 100644
index 0000000..1cb4d05
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Dto/SubscriptionListDto.cs
@@ -0,0 +1,95 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+/// <summary>
+/// 订阅列表 DTO。
+/// </summary>
+public sealed record SubscriptionListDto
+{
+    /// <summary>
+    /// 订阅 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public string TenantName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    public string TenantCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 当前套餐 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantPackageId { get; init; }
+
+    /// <summary>
+    /// 当前套餐名称。
+    /// </summary>
+    public string PackageName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 排期套餐 ID（下周期生效）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long? ScheduledPackageId { get; init; }
+
+    /// <summary>
+    /// 排期套餐名称。
+    /// </summary>
+    public string? ScheduledPackageName { get; init; }
+
+    /// <summary>
+    /// 订阅状态。
+    /// </summary>
+    public SubscriptionStatus Status { get; init; }
+
+    /// <summary>
+    /// 生效时间（UTC）。
+    /// </summary>
+    public DateTime EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 到期时间（UTC）。
+    /// </summary>
+    public DateTime EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 下次计费时间。
+    /// </summary>
+    public DateTime? NextBillingDate { get; init; }
+
+    /// <summary>
+    /// 是否自动续费。
+    /// </summary>
+    public bool AutoRenew { get; init; }
+
+    /// <summary>
+    /// 备注信息。
+    /// </summary>
+    public string? Notes { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/BatchExtendSubscriptionsCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/BatchExtendSubscriptionsCommandHandler.cs
new file mode 100644
index 0000000..a617f3f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/BatchExtendSubscriptionsCommandHandler.cs
@@ -0,0 +1,135 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 批量延期订阅命令处理器。
+/// </summary>
+public sealed class BatchExtendSubscriptionsCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    IIdGenerator idGenerator,
+    ILogger<BatchExtendSubscriptionsCommandHandler> logger)
+    : IRequestHandler<BatchExtendSubscriptionsCommand, BatchExtendResult>
+{
+    /// <inheritdoc />
+    public async Task<BatchExtendResult> Handle(BatchExtendSubscriptionsCommand request, CancellationToken cancellationToken)
+    {
+        var successCount = 0;
+        var failures = new List<BatchFailureItem>();
+
+        // 验证参数
+        if (!request.DurationDays.HasValue && !request.DurationMonths.HasValue)
+        {
+            throw new InvalidOperationException("必须指定延期天数或延期月数");
+        }
+
+        // 计算延期时间
+        var extendDays = request.DurationDays ?? 0;
+        var extendMonths = request.DurationMonths ?? 0;
+
+        // 查询所有订阅
+        var subscriptions = await subscriptionRepository.FindByIdsAsync(
+            request.SubscriptionIds,
+            cancellationToken);
+
+        foreach (var subscriptionId in request.SubscriptionIds)
+        {
+            try
+            {
+                var subscription = subscriptions.FirstOrDefault(s => s.Id == subscriptionId);
+                if (subscription == null)
+                {
+                    failures.Add(new BatchFailureItem
+                    {
+                        SubscriptionId = subscriptionId,
+                        Reason = "订阅不存在"
+                    });
+                    continue;
+                }
+
+                // 记录原始到期时间
+                var originalEffectiveTo = subscription.EffectiveTo;
+
+                // 计算新的到期时间
+                var newEffectiveTo = subscription.EffectiveTo;
+                if (extendMonths > 0)
+                {
+                    newEffectiveTo = newEffectiveTo.AddMonths(extendMonths);
+                }
+                if (extendDays > 0)
+                {
+                    newEffectiveTo = newEffectiveTo.AddDays(extendDays);
+                }
+
+                subscription.EffectiveTo = newEffectiveTo;
+
+                // 更新备注
+                if (!string.IsNullOrWhiteSpace(request.Notes))
+                {
+                    subscription.Notes = request.Notes;
+                }
+
+                // 记录变更历史
+                var history = new TenantSubscriptionHistory
+                {
+                    Id = idGenerator.NextId(),
+                    TenantId = subscription.TenantId,
+                    TenantSubscriptionId = subscription.Id,
+                    FromPackageId = subscription.TenantPackageId,
+                    ToPackageId = subscription.TenantPackageId,
+                    ChangeType = SubscriptionChangeType.Renew,
+                    EffectiveFrom = originalEffectiveTo,
+                    EffectiveTo = newEffectiveTo,
+                    Amount = null,
+                    Currency = null,
+                    Notes = request.Notes ?? $"批量延期: {(extendMonths > 0 ? $"{extendMonths}个月" : "")}{(extendDays > 0 ? $"{extendDays}天" : "")}"
+                };
+
+                await subscriptionRepository.AddHistoryAsync(history, cancellationToken);
+                await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+                successCount++;
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "批量延期订阅失败: SubscriptionId={SubscriptionId}", subscriptionId);
+                failures.Add(new BatchFailureItem
+                {
+                    SubscriptionId = subscriptionId,
+                    Reason = $"处理失败: {ex.Message}"
+                });
+            }
+        }
+
+        // 记录操作日志
+        var operationLog = new OperationLog
+        {
+            Id = idGenerator.NextId(),
+            OperationType = "BatchExtend",
+            TargetType = "Subscription",
+            TargetIds = JsonSerializer.Serialize(request.SubscriptionIds),
+            Parameters = JsonSerializer.Serialize(new { request.DurationDays, request.DurationMonths, request.Notes }),
+            Result = JsonSerializer.Serialize(new { SuccessCount = successCount, FailureCount = failures.Count }),
+            Success = failures.Count == 0,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        await subscriptionRepository.AddOperationLogAsync(operationLog, cancellationToken);
+
+        // 保存所有更改
+        await subscriptionRepository.SaveChangesAsync(cancellationToken);
+
+        return new BatchExtendResult
+        {
+            SuccessCount = successCount,
+            FailureCount = failures.Count,
+            Failures = failures
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/BatchSendReminderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/BatchSendReminderCommandHandler.cs
new file mode 100644
index 0000000..95f36b1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/BatchSendReminderCommandHandler.cs
@@ -0,0 +1,104 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 批量发送续费提醒命令处理器。
+/// </summary>
+public sealed class BatchSendReminderCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    IIdGenerator idGenerator,
+    ILogger<BatchSendReminderCommandHandler> logger)
+    : IRequestHandler<BatchSendReminderCommand, BatchSendReminderResult>
+{
+    /// <inheritdoc />
+    public async Task<BatchSendReminderResult> Handle(BatchSendReminderCommand request, CancellationToken cancellationToken)
+    {
+        var successCount = 0;
+        var failures = new List<BatchFailureItem>();
+
+        // 查询所有订阅及租户信息
+        var subscriptions = await subscriptionRepository.FindByIdsWithTenantAsync(
+            request.SubscriptionIds,
+            cancellationToken);
+
+        foreach (var subscriptionId in request.SubscriptionIds)
+        {
+            try
+            {
+                var item = subscriptions.FirstOrDefault(s => s.Subscription.Id == subscriptionId);
+                if (item == null)
+                {
+                    failures.Add(new BatchFailureItem
+                    {
+                        SubscriptionId = subscriptionId,
+                        Reason = "订阅不存在"
+                    });
+                    continue;
+                }
+
+                // 创建通知记录
+                var notification = new TenantNotification
+                {
+                    Id = idGenerator.NextId(),
+                    TenantId = item.Subscription.TenantId,
+                    Title = "续费提醒",
+                    Message = request.ReminderContent,
+                    Severity = TenantNotificationSeverity.Warning,
+                    Channel = TenantNotificationChannel.InApp,
+                    SentAt = DateTime.UtcNow,
+                    ReadAt = null,
+                    CreatedAt = DateTime.UtcNow
+                };
+
+                await subscriptionRepository.AddNotificationAsync(notification, cancellationToken);
+                successCount++;
+
+                logger.LogInformation(
+                    "发送续费提醒: SubscriptionId={SubscriptionId}, TenantId={TenantId}, TenantName={TenantName}",
+                    subscriptionId, item.Subscription.TenantId, item.Tenant.Name);
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "发送续费提醒失败: SubscriptionId={SubscriptionId}", subscriptionId);
+                failures.Add(new BatchFailureItem
+                {
+                    SubscriptionId = subscriptionId,
+                    Reason = $"发送失败: {ex.Message}"
+                });
+            }
+        }
+
+        // 记录操作日志
+        var operationLog = new OperationLog
+        {
+            Id = idGenerator.NextId(),
+            OperationType = "BatchRemind",
+            TargetType = "Subscription",
+            TargetIds = JsonSerializer.Serialize(request.SubscriptionIds),
+            Parameters = JsonSerializer.Serialize(new { request.ReminderContent }),
+            Result = JsonSerializer.Serialize(new { SuccessCount = successCount, FailureCount = failures.Count }),
+            Success = failures.Count == 0,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        await subscriptionRepository.AddOperationLogAsync(operationLog, cancellationToken);
+
+        // 保存所有更改
+        await subscriptionRepository.SaveChangesAsync(cancellationToken);
+
+        return new BatchSendReminderResult
+        {
+            SuccessCount = successCount,
+            FailureCount = failures.Count,
+            Failures = failures
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ChangeSubscriptionPlanCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ChangeSubscriptionPlanCommandHandler.cs
new file mode 100644
index 0000000..b744a34
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ChangeSubscriptionPlanCommandHandler.cs
@@ -0,0 +1,95 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Application.App.Subscriptions.Queries;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 变更套餐命令处理器。
+/// </summary>
+public sealed class ChangeSubscriptionPlanCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    IIdGenerator idGenerator,
+    IMediator mediator)
+    : IRequestHandler<ChangeSubscriptionPlanCommand, SubscriptionDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<SubscriptionDetailDto?> Handle(ChangeSubscriptionPlanCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询订阅
+        var subscription = await subscriptionRepository.FindByIdAsync(
+            request.SubscriptionId,
+            cancellationToken);
+
+        if (subscription == null)
+        {
+            return null;
+        }
+
+        // 2. 记录原套餐ID
+        var previousPackageId = subscription.TenantPackageId;
+
+        // 3. 根据是否立即生效更新订阅
+        if (request.Immediate)
+        {
+            // 立即生效：直接更新当前套餐
+            subscription.TenantPackageId = request.TargetPackageId;
+            subscription.ScheduledPackageId = null;
+        }
+        else
+        {
+            // 下周期生效：设置排期套餐
+            subscription.ScheduledPackageId = request.TargetPackageId;
+        }
+
+        // 4. 更新备注
+        if (!string.IsNullOrWhiteSpace(request.Notes))
+        {
+            subscription.Notes = request.Notes;
+        }
+
+        // 5. 判断变更类型（升级或降级）
+        var fromPackage = await subscriptionRepository.FindPackageByIdAsync(previousPackageId, cancellationToken);
+        var toPackage = await subscriptionRepository.FindPackageByIdAsync(request.TargetPackageId, cancellationToken);
+
+        var changeType = SubscriptionChangeType.Upgrade;
+        if (fromPackage != null && toPackage != null)
+        {
+            // 简单根据价格判断升降级
+            if (toPackage.MonthlyPrice < fromPackage.MonthlyPrice)
+            {
+                changeType = SubscriptionChangeType.Downgrade;
+            }
+        }
+
+        // 6. 记录变更历史
+        var history = new TenantSubscriptionHistory
+        {
+            Id = idGenerator.NextId(),
+            TenantId = subscription.TenantId,
+            TenantSubscriptionId = subscription.Id,
+            FromPackageId = previousPackageId,
+            ToPackageId = request.TargetPackageId,
+            ChangeType = changeType,
+            EffectiveFrom = request.Immediate ? DateTime.UtcNow : subscription.EffectiveTo,
+            EffectiveTo = subscription.EffectiveTo,
+            Amount = null,
+            Currency = null,
+            Notes = request.Notes ?? (request.Immediate ? "套餐立即变更" : "套餐排期变更")
+        };
+
+        await subscriptionRepository.AddHistoryAsync(history, cancellationToken);
+
+        // 7. 保存更改
+        await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+        await subscriptionRepository.SaveChangesAsync(cancellationToken);
+
+        // 8. 返回更新后的详情
+        return await mediator.Send(new GetSubscriptionDetailQuery { SubscriptionId = subscription.Id }, cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ExtendSubscriptionCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ExtendSubscriptionCommandHandler.cs
new file mode 100644
index 0000000..2717c86
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ExtendSubscriptionCommandHandler.cs
@@ -0,0 +1,69 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Application.App.Subscriptions.Queries;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 延期订阅命令处理器。
+/// </summary>
+public sealed class ExtendSubscriptionCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    IIdGenerator idGenerator,
+    IMediator mediator)
+    : IRequestHandler<ExtendSubscriptionCommand, SubscriptionDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<SubscriptionDetailDto?> Handle(ExtendSubscriptionCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询订阅
+        var subscription = await subscriptionRepository.FindByIdAsync(
+            request.SubscriptionId,
+            cancellationToken);
+
+        if (subscription == null)
+        {
+            return null;
+        }
+
+        // 2. 计算新的到期时间（从当前到期时间延长）
+        var originalEffectiveTo = subscription.EffectiveTo;
+        subscription.EffectiveTo = subscription.EffectiveTo.AddMonths(request.DurationMonths);
+
+        // 3. 更新备注
+        if (!string.IsNullOrWhiteSpace(request.Notes))
+        {
+            subscription.Notes = request.Notes;
+        }
+
+        // 4. 记录变更历史（使用 Renew 类型表示延期）
+        var history = new TenantSubscriptionHistory
+        {
+            Id = idGenerator.NextId(),
+            TenantId = subscription.TenantId,
+            TenantSubscriptionId = subscription.Id,
+            FromPackageId = subscription.TenantPackageId,
+            ToPackageId = subscription.TenantPackageId,
+            ChangeType = SubscriptionChangeType.Renew,
+            EffectiveFrom = originalEffectiveTo,
+            EffectiveTo = subscription.EffectiveTo,
+            Amount = null,
+            Currency = null,
+            Notes = request.Notes ?? $"延期 {request.DurationMonths} 个月"
+        };
+
+        await subscriptionRepository.AddHistoryAsync(history, cancellationToken);
+
+        // 5. 保存更改
+        await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+        await subscriptionRepository.SaveChangesAsync(cancellationToken);
+
+        // 6. 返回更新后的详情
+        return await mediator.Send(new GetSubscriptionDetailQuery { SubscriptionId = subscription.Id }, cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/GetSubscriptionDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/GetSubscriptionDetailQueryHandler.cs
new file mode 100644
index 0000000..1644bb9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/GetSubscriptionDetailQueryHandler.cs
@@ -0,0 +1,138 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Application.App.Subscriptions.Queries;
+using TakeoutSaaS.Application.App.Tenants;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 订阅详情查询处理器。
+/// </summary>
+public sealed class GetSubscriptionDetailQueryHandler(
+    ISubscriptionRepository subscriptionRepository)
+    : IRequestHandler<GetSubscriptionDetailQuery, SubscriptionDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<SubscriptionDetailDto?> Handle(GetSubscriptionDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询订阅基础信息
+        var detail = await subscriptionRepository.GetDetailAsync(
+            request.SubscriptionId,
+            cancellationToken);
+
+        if (detail == null)
+        {
+            return null;
+        }
+
+        // 2. 查询配额使用情况
+        var quotaUsages = await subscriptionRepository.GetQuotaUsagesAsync(
+            detail.Subscription.TenantId,
+            cancellationToken);
+
+        var quotaUsageDtos = BuildQuotaUsageDtos(detail.Package, quotaUsages);
+
+        // 3. 查询订阅变更历史（关联套餐信息）
+        var histories = await subscriptionRepository.GetHistoryAsync(request.SubscriptionId, cancellationToken);
+
+        var historyDtos = histories.Select(h => new SubscriptionHistoryDto
+        {
+            Id = h.History.Id,
+            TenantSubscriptionId = h.History.TenantSubscriptionId,
+            FromPackageId = h.History.FromPackageId,
+            FromPackageName = h.FromPackageName,
+            ToPackageId = h.History.ToPackageId,
+            ToPackageName = h.ToPackageName,
+            ChangeType = h.History.ChangeType,
+            EffectiveFrom = h.History.EffectiveFrom,
+            EffectiveTo = h.History.EffectiveTo,
+            Amount = h.History.Amount,
+            Currency = h.History.Currency,
+            Notes = h.History.Notes,
+            CreatedAt = h.History.CreatedAt
+        }).ToList();
+
+        // 4. 构建返回结果
+        return new SubscriptionDetailDto
+        {
+            Id = detail.Subscription.Id,
+            TenantId = detail.Subscription.TenantId,
+            TenantName = detail.TenantName,
+            TenantCode = detail.TenantCode,
+            TenantPackageId = detail.Subscription.TenantPackageId,
+            Package = detail.Package?.ToDto(),
+            ScheduledPackageId = detail.Subscription.ScheduledPackageId,
+            ScheduledPackage = detail.ScheduledPackage?.ToDto(),
+            Status = detail.Subscription.Status,
+            EffectiveFrom = detail.Subscription.EffectiveFrom,
+            EffectiveTo = detail.Subscription.EffectiveTo,
+            NextBillingDate = detail.Subscription.NextBillingDate,
+            AutoRenew = detail.Subscription.AutoRenew,
+            Notes = detail.Subscription.Notes,
+            QuotaUsages = quotaUsageDtos,
+            ChangeHistory = historyDtos,
+            CreatedAt = detail.Subscription.CreatedAt,
+            UpdatedAt = detail.Subscription.UpdatedAt
+        };
+    }
+
+    private static List<QuotaUsageDto> BuildQuotaUsageDtos(
+        TakeoutSaaS.Domain.Tenants.Entities.TenantPackage? package,
+        IReadOnlyList<TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage> quotaUsages)
+    {
+        var usageByType = quotaUsages
+            .GroupBy(u => u.QuotaType)
+            .ToDictionary(g => g.Key, g => g.First());
+
+        var baselineTypes = new List<(TenantQuotaType Type, decimal LimitValue)>();
+        if (package != null)
+        {
+            baselineTypes.Add((TenantQuotaType.StoreCount, package.MaxStoreCount.HasValue ? package.MaxStoreCount.Value : 0));
+            baselineTypes.Add((TenantQuotaType.AccountCount, package.MaxAccountCount.HasValue ? package.MaxAccountCount.Value : 0));
+            baselineTypes.Add((TenantQuotaType.Storage, package.MaxStorageGb.HasValue ? package.MaxStorageGb.Value : 0));
+            baselineTypes.Add((TenantQuotaType.SmsCredits, package.MaxSmsCredits.HasValue ? package.MaxSmsCredits.Value : 0));
+            baselineTypes.Add((TenantQuotaType.DeliveryOrders, package.MaxDeliveryOrders.HasValue ? package.MaxDeliveryOrders.Value : 0));
+        }
+
+        var results = new List<QuotaUsageDto>();
+
+        foreach (var (type, limitValue) in baselineTypes)
+        {
+            usageByType.TryGetValue(type, out var usage);
+            results.Add(new QuotaUsageDto
+            {
+                Id = usage?.Id ?? 0,
+                QuotaType = type,
+                LimitValue = limitValue,
+                UsedValue = usage?.UsedValue ?? 0,
+                ResetCycle = usage?.ResetCycle,
+                LastResetAt = usage?.LastResetAt
+            });
+        }
+
+        // Add any extra quota usages not covered by package fields (e.g. promotion slots).
+        foreach (var usage in usageByType.Values)
+        {
+            if (baselineTypes.Any(x => x.Type == usage.QuotaType))
+            {
+                continue;
+            }
+
+            results.Add(new QuotaUsageDto
+            {
+                Id = usage.Id,
+                QuotaType = usage.QuotaType,
+                LimitValue = usage.LimitValue,
+                UsedValue = usage.UsedValue,
+                ResetCycle = usage.ResetCycle,
+                LastResetAt = usage.LastResetAt
+            });
+        }
+
+        return results
+            .OrderBy(x => (int)x.QuotaType)
+            .ToList();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/GetSubscriptionListQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/GetSubscriptionListQueryHandler.cs
new file mode 100644
index 0000000..d6bfc0f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/GetSubscriptionListQueryHandler.cs
@@ -0,0 +1,61 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Application.App.Subscriptions.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 订阅分页查询处理器。
+/// </summary>
+public sealed class GetSubscriptionListQueryHandler(
+    ISubscriptionRepository subscriptionRepository)
+    : IRequestHandler<GetSubscriptionListQuery, PagedResult<SubscriptionListDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<SubscriptionListDto>> Handle(GetSubscriptionListQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 构建查询过滤条件
+        var filter = new SubscriptionSearchFilter
+        {
+            Status = request.Status,
+            TenantPackageId = request.TenantPackageId,
+            TenantId = request.TenantId,
+            TenantKeyword = request.TenantKeyword,
+            ExpiringWithinDays = request.ExpiringWithinDays,
+            AutoRenew = request.AutoRenew,
+            Page = request.Page,
+            PageSize = request.PageSize
+        };
+
+        // 2. 执行分页查询
+        var (items, total) = await subscriptionRepository.SearchPagedAsync(
+            filter,
+            cancellationToken);
+
+        // 3. 映射为 DTO
+        var dtos = items.Select(x => new SubscriptionListDto
+        {
+            Id = x.Subscription.Id,
+            TenantId = x.Subscription.TenantId,
+            TenantName = x.TenantName,
+            TenantCode = x.TenantCode,
+            TenantPackageId = x.Subscription.TenantPackageId,
+            PackageName = x.PackageName,
+            ScheduledPackageId = x.Subscription.ScheduledPackageId,
+            ScheduledPackageName = x.ScheduledPackageName,
+            Status = x.Subscription.Status,
+            EffectiveFrom = x.Subscription.EffectiveFrom,
+            EffectiveTo = x.Subscription.EffectiveTo,
+            NextBillingDate = x.Subscription.NextBillingDate,
+            AutoRenew = x.Subscription.AutoRenew,
+            Notes = x.Subscription.Notes,
+            CreatedAt = x.Subscription.CreatedAt,
+            UpdatedAt = x.Subscription.UpdatedAt
+        }).ToList();
+
+        // 4. 返回分页结果
+        return new PagedResult<SubscriptionListDto>(dtos, request.Page, request.PageSize, total);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessAutoRenewalCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessAutoRenewalCommandHandler.cs
new file mode 100644
index 0000000..960ed10
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessAutoRenewalCommandHandler.cs
@@ -0,0 +1,137 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 自动续费处理器：生成续费账单（幂等）。
+/// </summary>
+public sealed class ProcessAutoRenewalCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    ITenantBillingRepository billingRepository,
+    IIdGenerator idGenerator,
+    ILogger<ProcessAutoRenewalCommandHandler> logger)
+    : IRequestHandler<ProcessAutoRenewalCommand, ProcessAutoRenewalResult>
+{
+    /// <inheritdoc />
+    public async Task<ProcessAutoRenewalResult> Handle(ProcessAutoRenewalCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 计算续费阈值时间
+        var now = DateTime.UtcNow;
+        var renewalThreshold = now.AddDays(request.RenewalDaysBeforeExpiry);
+
+        // 2. 查询候选订阅（含套餐）
+        var candidates = await subscriptionRepository.FindAutoRenewalCandidatesAsync(
+            now,
+            renewalThreshold,
+            cancellationToken);
+        var createdBillCount = 0;
+
+        // 3. 遍历候选订阅，生成账单
+        foreach (var candidate in candidates)
+        {
+            // 3.1 幂等校验：同一周期开始时间只允许存在一张未取消账单
+            var periodStart = candidate.Subscription.EffectiveTo;
+            var exists = await billingRepository.ExistsNotCancelledByPeriodStartAsync(
+                candidate.Subscription.TenantId,
+                periodStart,
+                cancellationToken);
+
+            if (exists)
+            {
+                logger.LogInformation(
+                    "自动续费：租户 {TenantId} 订阅 {SubscriptionId} 已存在周期 {PeriodStart} 的续费账单，跳过",
+                    candidate.Subscription.TenantId,
+                    candidate.Subscription.Id,
+                    periodStart);
+                continue;
+            }
+
+            // 3.2 计算续费周期（月）
+            var durationMonths = CalculateDurationMonths(candidate.Subscription.EffectiveFrom, candidate.Subscription.EffectiveTo);
+            if (durationMonths <= 0)
+            {
+                durationMonths = 1;
+            }
+
+            // 3.3 计算账单周期与金额
+            var periodEnd = periodStart.AddMonths(durationMonths);
+            var amountDue = CalculateRenewalAmount(candidate.Package, durationMonths);
+
+            // 3.4 生成账单（Pending）
+            var statementNo = $"BILL-{now:yyyyMMddHHmmss}-{candidate.Subscription.TenantId}-{candidate.Subscription.Id}";
+            var lineItemsJson = JsonSerializer.Serialize(new
+            {
+                PackageName = candidate.Package.Name,
+                RenewalMonths = durationMonths,
+                SubscriptionId = candidate.Subscription.Id
+            });
+
+            await billingRepository.AddAsync(new TenantBillingStatement
+            {
+                Id = idGenerator.NextId(),
+                TenantId = candidate.Subscription.TenantId,
+                StatementNo = statementNo,
+                PeriodStart = periodStart,
+                PeriodEnd = periodEnd,
+                AmountDue = amountDue,
+                AmountPaid = 0,
+                DueDate = periodStart.AddDays(-1),
+                LineItemsJson = lineItemsJson,
+                CreatedAt = now
+            }, cancellationToken);
+
+            createdBillCount++;
+            logger.LogInformation(
+                "自动续费：为租户 {TenantId} 订阅 {SubscriptionId} 生成账单 {StatementNo}，金额 {AmountDue}，周期 {PeriodStart}~{PeriodEnd}",
+                candidate.Subscription.TenantId,
+                candidate.Subscription.Id,
+                statementNo,
+                amountDue,
+                periodStart,
+                periodEnd);
+        }
+
+        // 4. 保存账单变更
+        if (createdBillCount > 0)
+        {
+            await billingRepository.SaveChangesAsync(cancellationToken);
+        }
+
+        return new ProcessAutoRenewalResult
+        {
+            CandidateCount = candidates.Count,
+            CreatedBillCount = createdBillCount
+        };
+    }
+
+    private static int CalculateDurationMonths(DateTime effectiveFrom, DateTime effectiveTo)
+    {
+        // 1. 以年月差作为周期（月），兼容“按月续费”模型
+        var months = (effectiveTo.Year - effectiveFrom.Year) * 12 + effectiveTo.Month - effectiveFrom.Month;
+
+        // 2. 对不足 1 个月的情况兜底为 1
+        return months <= 0 ? 1 : months;
+    }
+
+    private static decimal CalculateRenewalAmount(TenantPackage package, int durationMonths)
+    {
+        // 1. 优先使用年付价（按整年计费），剩余月份按月付价补齐
+        var monthlyPrice = package.MonthlyPrice ?? 0m;
+        var yearlyPrice = package.YearlyPrice;
+        if (yearlyPrice is null || durationMonths < 12)
+        {
+            return monthlyPrice * durationMonths;
+        }
+
+        // 2. 按年 + 月组合计算金额
+        var years = durationMonths / 12;
+        var remainingMonths = durationMonths % 12;
+        return yearlyPrice.Value * years + monthlyPrice * remainingMonths;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessRenewalRemindersCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessRenewalRemindersCommandHandler.cs
new file mode 100644
index 0000000..f1c1aba
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessRenewalRemindersCommandHandler.cs
@@ -0,0 +1,117 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 续费提醒处理器：在到期前 7/3/1 天等时间点发送站内提醒（幂等）。
+/// </summary>
+public sealed class ProcessRenewalRemindersCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    ITenantNotificationRepository notificationRepository,
+    IIdGenerator idGenerator,
+    ILogger<ProcessRenewalRemindersCommandHandler> logger)
+    : IRequestHandler<ProcessRenewalRemindersCommand, ProcessRenewalRemindersResult>
+{
+    private const string ReminderTitle = "订阅续费提醒";
+
+    /// <inheritdoc />
+    public async Task<ProcessRenewalRemindersResult> Handle(ProcessRenewalRemindersCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取提醒配置
+        var now = DateTime.UtcNow;
+        var candidateCount = 0;
+        var createdReminderCount = 0;
+        var dedupeWindowStart = now.AddHours(-24);
+
+        // 2. 按提醒时间点扫描到期订阅
+        foreach (var daysBeforeExpiry in request.ReminderDaysBeforeExpiry.Distinct().OrderByDescending(x => x))
+        {
+            // 2.1 计算目标日期区间（按天匹配）
+            var targetDate = now.AddDays(daysBeforeExpiry);
+            var startOfDay = targetDate.Date;
+            var endOfDay = startOfDay.AddDays(1);
+
+            // 2.2 查询候选订阅（活跃 + 未开自动续费 + 到期在当日）
+            var candidates = await subscriptionRepository.FindRenewalReminderCandidatesAsync(
+                startOfDay,
+                endOfDay,
+                cancellationToken);
+            candidateCount += candidates.Count;
+
+            foreach (var item in candidates)
+            {
+                // 2.3 幂等：同一订阅 + 同一天数提醒，在 24 小时内只发送一次
+                var metadataJson = BuildReminderMetadata(item.Subscription.Id, daysBeforeExpiry, item.Subscription.EffectiveTo);
+                var alreadySent = await notificationRepository.ExistsByMetadataAsync(
+                    item.Subscription.TenantId,
+                    ReminderTitle,
+                    metadataJson,
+                    dedupeWindowStart,
+                    cancellationToken);
+
+                if (alreadySent)
+                {
+                    continue;
+                }
+
+                // 2.4 构造提醒内容并入库
+                var notification = new TenantNotification
+                {
+                    Id = idGenerator.NextId(),
+                    TenantId = item.Subscription.TenantId,
+                    Title = ReminderTitle,
+                    Message = $"您的订阅套餐「{item.Package.Name}」将在 {daysBeforeExpiry} 天内到期（到期时间：{item.Subscription.EffectiveTo:yyyy-MM-dd HH:mm}），请及时续费以免影响使用。",
+                    Severity = daysBeforeExpiry <= 1
+                        ? TenantNotificationSeverity.Critical
+                        : TenantNotificationSeverity.Warning,
+                    Channel = TenantNotificationChannel.InApp,
+                    SentAt = now,
+                    ReadAt = null,
+                    MetadataJson = metadataJson,
+                    CreatedAt = now
+                };
+
+                await notificationRepository.AddAsync(notification, cancellationToken);
+                createdReminderCount++;
+
+                logger.LogInformation(
+                    "续费提醒：TenantId={TenantId}, TenantName={TenantName}, SubscriptionId={SubscriptionId}, DaysBeforeExpiry={DaysBeforeExpiry}",
+                    item.Tenant.Id,
+                    item.Tenant.Name,
+                    item.Subscription.Id,
+                    daysBeforeExpiry);
+            }
+        }
+
+        // 3. 保存变更
+        if (createdReminderCount > 0)
+        {
+            await notificationRepository.SaveChangesAsync(cancellationToken);
+        }
+
+        return new ProcessRenewalRemindersResult
+        {
+            CandidateCount = candidateCount,
+            CreatedReminderCount = createdReminderCount
+        };
+    }
+
+    private static string BuildReminderMetadata(long subscriptionId, int daysBeforeExpiry, DateTime effectiveTo)
+    {
+        // 1. 使用稳定字段顺序的 JSON 作为幂等键
+        return JsonSerializer.Serialize(new
+        {
+            Type = "RenewalReminder",
+            SubscriptionId = subscriptionId,
+            DaysBeforeExpiry = daysBeforeExpiry,
+            EffectiveTo = effectiveTo.ToString("O")
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessSubscriptionExpiryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessSubscriptionExpiryCommandHandler.cs
new file mode 100644
index 0000000..9b655e5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/ProcessSubscriptionExpiryCommandHandler.cs
@@ -0,0 +1,63 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 订阅到期处理器：自动进入宽限期并在宽限期结束后暂停。
+/// </summary>
+public sealed class ProcessSubscriptionExpiryCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    ILogger<ProcessSubscriptionExpiryCommandHandler> logger)
+    : IRequestHandler<ProcessSubscriptionExpiryCommand, ProcessSubscriptionExpiryResult>
+{
+    /// <inheritdoc />
+    public async Task<ProcessSubscriptionExpiryResult> Handle(ProcessSubscriptionExpiryCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询到期订阅
+        var now = DateTime.UtcNow;
+        var expiredActive = await subscriptionRepository.FindExpiredActiveSubscriptionsAsync(
+            now,
+            cancellationToken);
+        var gracePeriodExpired = await subscriptionRepository.FindGracePeriodExpiredSubscriptionsAsync(
+            now,
+            request.GracePeriodDays,
+            cancellationToken);
+
+        // 2. 更新订阅状态
+        foreach (var subscription in expiredActive)
+        {
+            subscription.Status = SubscriptionStatus.GracePeriod;
+            await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+        }
+
+        // 3. 宽限期到期自动暂停
+        foreach (var subscription in gracePeriodExpired)
+        {
+            subscription.Status = SubscriptionStatus.Suspended;
+            await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+        }
+
+        // 4. 保存变更
+        var totalChanged = expiredActive.Count + gracePeriodExpired.Count;
+        if (totalChanged > 0)
+        {
+            await subscriptionRepository.SaveChangesAsync(cancellationToken);
+        }
+
+        logger.LogInformation(
+            "订阅到期处理完成：进入宽限期 {EnteredGracePeriodCount}，暂停 {SuspendedCount}，宽限期天数 {GracePeriodDays}",
+            expiredActive.Count,
+            gracePeriodExpired.Count,
+            request.GracePeriodDays);
+
+        return new ProcessSubscriptionExpiryResult
+        {
+            EnteredGracePeriodCount = expiredActive.Count,
+            SuspendedCount = gracePeriodExpired.Count
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/UpdateSubscriptionCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/UpdateSubscriptionCommandHandler.cs
new file mode 100644
index 0000000..70c852c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/UpdateSubscriptionCommandHandler.cs
@@ -0,0 +1,48 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Application.App.Subscriptions.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 更新订阅基础信息命令处理器。
+/// </summary>
+public sealed class UpdateSubscriptionCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    IMediator mediator)
+    : IRequestHandler<UpdateSubscriptionCommand, SubscriptionDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<SubscriptionDetailDto?> Handle(UpdateSubscriptionCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询订阅
+        var subscription = await subscriptionRepository.FindByIdAsync(
+            request.SubscriptionId,
+            cancellationToken);
+
+        if (subscription == null)
+        {
+            return null;
+        }
+
+        // 2. 更新字段
+        if (request.AutoRenew.HasValue)
+        {
+            subscription.AutoRenew = request.AutoRenew.Value;
+        }
+
+        if (request.Notes != null)
+        {
+            subscription.Notes = request.Notes;
+        }
+
+        // 3. 保存更改
+        await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+        await subscriptionRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回更新后的详情
+        return await mediator.Send(new GetSubscriptionDetailQuery { SubscriptionId = subscription.Id }, cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/UpdateSubscriptionStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/UpdateSubscriptionStatusCommandHandler.cs
new file mode 100644
index 0000000..58c2652
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Handlers/UpdateSubscriptionStatusCommandHandler.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Application.App.Subscriptions.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Handlers;
+
+/// <summary>
+/// 更新订阅状态命令处理器。
+/// </summary>
+public sealed class UpdateSubscriptionStatusCommandHandler(
+    ISubscriptionRepository subscriptionRepository,
+    IMediator mediator)
+    : IRequestHandler<UpdateSubscriptionStatusCommand, SubscriptionDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<SubscriptionDetailDto?> Handle(UpdateSubscriptionStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询订阅
+        var subscription = await subscriptionRepository.FindByIdAsync(
+            request.SubscriptionId,
+            cancellationToken);
+
+        if (subscription == null)
+        {
+            return null;
+        }
+
+        // 2. 更新状态
+        subscription.Status = request.Status;
+
+        // 3. 更新备注
+        if (!string.IsNullOrWhiteSpace(request.Notes))
+        {
+            subscription.Notes = request.Notes;
+        }
+
+        // 4. 保存更改
+        await subscriptionRepository.UpdateAsync(subscription, cancellationToken);
+        await subscriptionRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回更新后的详情
+        return await mediator.Send(new GetSubscriptionDetailQuery { SubscriptionId = subscription.Id }, cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Queries/GetSubscriptionDetailQuery.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Queries/GetSubscriptionDetailQuery.cs
new file mode 100644
index 0000000..c69c3e4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Queries/GetSubscriptionDetailQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Queries;
+
+/// <summary>
+/// 查询订阅详情（含套餐信息、配额使用、变更历史）。
+/// </summary>
+public sealed record GetSubscriptionDetailQuery : IRequest<SubscriptionDetailDto?>
+{
+    /// <summary>
+    /// 订阅 ID。
+    /// </summary>
+    public long SubscriptionId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Subscriptions/Queries/GetSubscriptionListQuery.cs b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Queries/GetSubscriptionListQuery.cs
new file mode 100644
index 0000000..e7a8cd4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Subscriptions/Queries/GetSubscriptionListQuery.cs
@@ -0,0 +1,52 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Subscriptions.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Subscriptions.Queries;
+
+/// <summary>
+/// 订阅分页查询。
+/// </summary>
+public sealed record GetSubscriptionListQuery : IRequest<PagedResult<SubscriptionListDto>>
+{
+    /// <summary>
+    /// 订阅状态（精确匹配）。
+    /// </summary>
+    public SubscriptionStatus? Status { get; init; }
+
+    /// <summary>
+    /// 套餐 ID（精确匹配）。
+    /// </summary>
+    public long? TenantPackageId { get; init; }
+
+    /// <summary>
+    /// 租户 ID（精确匹配）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 租户关键词（名称或编码模糊匹配）。
+    /// </summary>
+    public string? TenantKeyword { get; init; }
+
+    /// <summary>
+    /// 到期时间筛选：未来 N 天内到期。
+    /// </summary>
+    public int? ExpiringWithinDays { get; init; }
+
+    /// <summary>
+    /// 是否自动续费筛选。
+    /// </summary>
+    public bool? AutoRenew { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页大小。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/CreateSystemParameterCommand.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/CreateSystemParameterCommand.cs
new file mode 100644
index 0000000..c5f332c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/CreateSystemParameterCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+/// <summary>
+/// 创建系统参数命令。
+/// </summary>
+public sealed class CreateSystemParameterCommand : IRequest<SystemParameterDto>
+{
+    /// <summary>
+    /// 参数键。
+    /// </summary>
+    public string Key { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 参数值。
+    /// </summary>
+    public string Value { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/DeleteSystemParameterCommand.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/DeleteSystemParameterCommand.cs
new file mode 100644
index 0000000..6f49ad8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/DeleteSystemParameterCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+/// <summary>
+/// 删除系统参数命令。
+/// </summary>
+public sealed record DeleteSystemParameterCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 参数 ID。
+    /// </summary>
+    public long ParameterId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/UpdateSystemParameterCommand.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/UpdateSystemParameterCommand.cs
new file mode 100644
index 0000000..86bbfa7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Commands/UpdateSystemParameterCommand.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+/// <summary>
+/// 更新系统参数命令。
+/// </summary>
+public sealed record UpdateSystemParameterCommand : IRequest<SystemParameterDto?>
+{
+    /// <summary>
+    /// 参数 ID。
+    /// </summary>
+    public long ParameterId { get; init; }
+
+    /// <summary>
+    /// 参数键。
+    /// </summary>
+    public string Key { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 参数值。
+    /// </summary>
+    public string Value { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; init; } = 100;
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Dto/SystemParameterDto.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Dto/SystemParameterDto.cs
new file mode 100644
index 0000000..8305ae4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Dto/SystemParameterDto.cs
@@ -0,0 +1,57 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Dto;
+
+/// <summary>
+/// 系统参数 DTO。
+/// </summary>
+public sealed class SystemParameterDto
+{
+    /// <summary>
+    /// 参数 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 参数键。
+    /// </summary>
+    public string Key { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 参数值。
+    /// </summary>
+    public string Value { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 最近更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/CreateSystemParameterCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/CreateSystemParameterCommandHandler.cs
new file mode 100644
index 0000000..64ab3c1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/CreateSystemParameterCommandHandler.cs
@@ -0,0 +1,64 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+using TakeoutSaaS.Domain.SystemParameters.Entities;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Handlers;
+
+/// <summary>
+/// 创建系统参数命令处理器。
+/// </summary>
+public sealed class CreateSystemParameterCommandHandler(
+    ISystemParameterRepository repository,
+    ILogger<CreateSystemParameterCommandHandler> logger)
+    : IRequestHandler<CreateSystemParameterCommand, SystemParameterDto>
+{
+    private readonly ISystemParameterRepository _repository = repository;
+    private readonly ILogger<CreateSystemParameterCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<SystemParameterDto> Handle(CreateSystemParameterCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 唯一性校验
+        var existing = await _repository.FindByKeyAsync(request.Key, cancellationToken);
+        if (existing != null)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "系统参数键已存在");
+        }
+
+        // 2. 构建实体
+        var parameter = new SystemParameter
+        {
+            Key = request.Key.Trim(),
+            Value = request.Value.Trim(),
+            Description = request.Description?.Trim(),
+            SortOrder = request.SortOrder,
+            IsEnabled = request.IsEnabled
+        };
+
+        // 3. 持久化
+        await _repository.AddAsync(parameter, cancellationToken);
+        await _repository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("创建系统参数 {Key}", parameter.Key);
+
+        // 4. 映射返回
+        return MapToDto(parameter);
+    }
+
+    private static SystemParameterDto MapToDto(SystemParameter parameter) => new()
+    {
+        Id = parameter.Id,
+        TenantId = parameter.TenantId,
+        Key = parameter.Key,
+        Value = parameter.Value,
+        Description = parameter.Description,
+        SortOrder = parameter.SortOrder,
+        IsEnabled = parameter.IsEnabled,
+        CreatedAt = parameter.CreatedAt,
+        UpdatedAt = parameter.UpdatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/DeleteSystemParameterCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/DeleteSystemParameterCommandHandler.cs
new file mode 100644
index 0000000..cda2c42
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/DeleteSystemParameterCommandHandler.cs
@@ -0,0 +1,33 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Handlers;
+
+/// <summary>
+/// 删除系统参数命令处理器。
+/// </summary>
+public sealed class DeleteSystemParameterCommandHandler(
+    ISystemParameterRepository repository,
+    ILogger<DeleteSystemParameterCommandHandler> logger)
+    : IRequestHandler<DeleteSystemParameterCommand, bool>
+{
+    private readonly ISystemParameterRepository _repository = repository;
+    private readonly ILogger<DeleteSystemParameterCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteSystemParameterCommand request, CancellationToken cancellationToken)
+    {
+        var existing = await _repository.FindByIdAsync(request.ParameterId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        await _repository.RemoveAsync(existing, cancellationToken);
+        await _repository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("删除系统参数 {Key}", existing.Key);
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/GetSystemParameterByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/GetSystemParameterByIdQueryHandler.cs
new file mode 100644
index 0000000..c2bc53a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/GetSystemParameterByIdQueryHandler.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+using TakeoutSaaS.Application.App.SystemParameters.Queries;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Handlers;
+
+/// <summary>
+/// 获取系统参数详情查询处理器。
+/// </summary>
+public sealed class GetSystemParameterByIdQueryHandler(ISystemParameterRepository repository)
+    : IRequestHandler<GetSystemParameterByIdQuery, SystemParameterDto?>
+{
+    private readonly ISystemParameterRepository _repository = repository;
+
+    /// <inheritdoc />
+    public async Task<SystemParameterDto?> Handle(GetSystemParameterByIdQuery request, CancellationToken cancellationToken)
+    {
+        var parameter = await _repository.FindByIdAsync(request.ParameterId, cancellationToken);
+        return parameter == null ? null : MapToDto(parameter);
+    }
+
+    private static SystemParameterDto MapToDto(Domain.SystemParameters.Entities.SystemParameter parameter) => new()
+    {
+        Id = parameter.Id,
+        TenantId = parameter.TenantId,
+        Key = parameter.Key,
+        Value = parameter.Value,
+        Description = parameter.Description,
+        SortOrder = parameter.SortOrder,
+        IsEnabled = parameter.IsEnabled,
+        CreatedAt = parameter.CreatedAt,
+        UpdatedAt = parameter.UpdatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/SearchSystemParametersQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/SearchSystemParametersQueryHandler.cs
new file mode 100644
index 0000000..678b55c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/SearchSystemParametersQueryHandler.cs
@@ -0,0 +1,69 @@
+using MediatR;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+using TakeoutSaaS.Application.App.SystemParameters.Queries;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Handlers;
+
+/// <summary>
+/// 系统参数列表查询处理器。
+/// </summary>
+public sealed class SearchSystemParametersQueryHandler(ISystemParameterRepository repository)
+    : IRequestHandler<SearchSystemParametersQuery, PagedResult<SystemParameterDto>>
+{
+    private readonly ISystemParameterRepository _repository = repository;
+
+    /// <inheritdoc />
+    public async Task<PagedResult<SystemParameterDto>> Handle(SearchSystemParametersQuery request, CancellationToken cancellationToken)
+    {
+        var parameters = await _repository.SearchAsync(request.Keyword, request.IsEnabled, cancellationToken);
+
+        var sorted = ApplySorting(parameters, request.SortBy, request.SortDescending);
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        var items = paged.Select(MapToDto).ToList();
+        return new PagedResult<SystemParameterDto>(items, request.Page, request.PageSize, parameters.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.SystemParameters.Entities.SystemParameter> ApplySorting(
+        IReadOnlyCollection<Domain.SystemParameters.Entities.SystemParameter> parameters,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "key" => sortDescending
+                ? parameters.OrderByDescending(x => x.Key)
+                : parameters.OrderBy(x => x.Key),
+            "sortorder" => sortDescending
+                ? parameters.OrderByDescending(x => x.SortOrder)
+                : parameters.OrderBy(x => x.SortOrder),
+            "updatedat" => sortDescending
+                ? parameters.OrderByDescending(x => x.UpdatedAt ?? x.CreatedAt)
+                : parameters.OrderBy(x => x.UpdatedAt ?? x.CreatedAt),
+            "isenabled" => sortDescending
+                ? parameters.OrderByDescending(x => x.IsEnabled)
+                : parameters.OrderBy(x => x.IsEnabled),
+            _ => sortDescending
+                ? parameters.OrderByDescending(x => x.CreatedAt)
+                : parameters.OrderBy(x => x.CreatedAt)
+        };
+    }
+
+    private static SystemParameterDto MapToDto(Domain.SystemParameters.Entities.SystemParameter parameter) => new()
+    {
+        Id = parameter.Id,
+        TenantId = parameter.TenantId,
+        Key = parameter.Key,
+        Value = parameter.Value,
+        Description = parameter.Description,
+        SortOrder = parameter.SortOrder,
+        IsEnabled = parameter.IsEnabled,
+        CreatedAt = parameter.CreatedAt,
+        UpdatedAt = parameter.UpdatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/UpdateSystemParameterCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/UpdateSystemParameterCommandHandler.cs
new file mode 100644
index 0000000..6ba3104
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/UpdateSystemParameterCommandHandler.cs
@@ -0,0 +1,66 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Handlers;
+
+/// <summary>
+/// 更新系统参数命令处理器。
+/// </summary>
+public sealed class UpdateSystemParameterCommandHandler(
+    ISystemParameterRepository repository,
+    ILogger<UpdateSystemParameterCommandHandler> logger)
+    : IRequestHandler<UpdateSystemParameterCommand, SystemParameterDto?>
+{
+    private readonly ISystemParameterRepository _repository = repository;
+    private readonly ILogger<UpdateSystemParameterCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<SystemParameterDto?> Handle(UpdateSystemParameterCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取已有参数
+        var existing = await _repository.FindByIdAsync(request.ParameterId, cancellationToken);
+        if (existing == null)
+        {
+            return null;
+        }
+
+        // 2. 唯一性校验
+        var duplicate = await _repository.FindByKeyAsync(request.Key, cancellationToken);
+        if (duplicate != null && duplicate.Id != existing.Id)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "系统参数键已存在");
+        }
+
+        // 3. 更新字段
+        existing.Key = request.Key.Trim();
+        existing.Value = request.Value.Trim();
+        existing.Description = request.Description?.Trim();
+        existing.SortOrder = request.SortOrder;
+        existing.IsEnabled = request.IsEnabled;
+
+        // 4. 持久化
+        await _repository.UpdateAsync(existing, cancellationToken);
+        await _repository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("更新系统参数 {Key}", existing.Key);
+
+        return MapToDto(existing);
+    }
+
+    private static SystemParameterDto MapToDto(Domain.SystemParameters.Entities.SystemParameter parameter) => new()
+    {
+        Id = parameter.Id,
+        TenantId = parameter.TenantId,
+        Key = parameter.Key,
+        Value = parameter.Value,
+        Description = parameter.Description,
+        SortOrder = parameter.SortOrder,
+        IsEnabled = parameter.IsEnabled,
+        CreatedAt = parameter.CreatedAt,
+        UpdatedAt = parameter.UpdatedAt
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Queries/GetSystemParameterByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Queries/GetSystemParameterByIdQuery.cs
new file mode 100644
index 0000000..09c6b70
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Queries/GetSystemParameterByIdQuery.cs
@@ -0,0 +1,9 @@
+using MediatR;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Queries;
+
+/// <summary>
+/// 获取系统参数详情查询。
+/// </summary>
+public sealed record GetSystemParameterByIdQuery(long ParameterId) : IRequest<SystemParameterDto?>;
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Queries/SearchSystemParametersQuery.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Queries/SearchSystemParametersQuery.cs
new file mode 100644
index 0000000..d6e0238
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Queries/SearchSystemParametersQuery.cs
@@ -0,0 +1,41 @@
+using MediatR;
+using TakeoutSaaS.Application.App.SystemParameters.Dto;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Queries;
+
+/// <summary>
+/// 系统参数列表查询。
+/// </summary>
+public sealed class SearchSystemParametersQuery : IRequest<PagedResult<SystemParameterDto>>
+{
+    /// <summary>
+    /// 关键字（匹配 Key/Description）。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 启用状态过滤。
+    /// </summary>
+    public bool? IsEnabled { get; init; }
+
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（key/sortOrder/createdAt/updatedAt/isEnabled）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/CreateSystemParameterCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/CreateSystemParameterCommandValidator.cs
new file mode 100644
index 0000000..a624833
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/CreateSystemParameterCommandValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Validators;
+
+/// <summary>
+/// 创建系统参数命令验证器。
+/// </summary>
+public sealed class CreateSystemParameterCommandValidator : AbstractValidator<CreateSystemParameterCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateSystemParameterCommandValidator()
+    {
+        RuleFor(x => x.Key).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.Value).NotEmpty();
+        RuleFor(x => x.Description).MaximumLength(512);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/SearchSystemParametersQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/SearchSystemParametersQueryValidator.cs
new file mode 100644
index 0000000..83586ab
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/SearchSystemParametersQueryValidator.cs
@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.SystemParameters.Queries;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Validators;
+
+/// <summary>
+/// 系统参数列表查询验证器。
+/// </summary>
+public sealed class SearchSystemParametersQueryValidator : AbstractValidator<SearchSystemParametersQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchSystemParametersQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.Keyword).MaximumLength(256);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/UpdateSystemParameterCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/UpdateSystemParameterCommandValidator.cs
new file mode 100644
index 0000000..831ad11
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/UpdateSystemParameterCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Validators;
+
+/// <summary>
+/// 更新系统参数命令验证器。
+/// </summary>
+public sealed class UpdateSystemParameterCommandValidator : AbstractValidator<UpdateSystemParameterCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateSystemParameterCommandValidator()
+    {
+        RuleFor(x => x.ParameterId).GreaterThan(0);
+        RuleFor(x => x.Key).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.Value).NotEmpty();
+        RuleFor(x => x.Description).MaximumLength(512);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CheckTenantQuotaCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CheckTenantQuotaCommand.cs
new file mode 100644
index 0000000..3941e81
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CheckTenantQuotaCommand.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 校验并消费租户配额命令。
+/// </summary>
+public sealed record CheckTenantQuotaCommand : IRequest<QuotaCheckResultDto>
+{
+    /// <summary>
+    /// 目标租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 本次申请使用量。
+    /// </summary>
+    public decimal Delta { get; init; } = 1;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantAnnouncementCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantAnnouncementCommand.cs
new file mode 100644
index 0000000..ad5e471
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantAnnouncementCommand.cs
@@ -0,0 +1,67 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 创建租户公告命令。
+/// </summary>
+public sealed record CreateTenantAnnouncementCommand : IRequest<TenantAnnouncementDto>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告标题。
+    /// </summary>
+    [Required]
+    [StringLength(128)]
+    public string Title { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 公告正文内容。
+    /// </summary>
+    [Required]
+    public string Content { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 公告类型。
+    /// </summary>
+    public TenantAnnouncementType AnnouncementType { get; init; } = TenantAnnouncementType.System;
+
+    /// <summary>
+    /// 优先级，数值越大越靠前。
+    /// </summary>
+    public int Priority { get; init; } = 0;
+
+    /// <summary>
+    /// 生效开始时间（UTC）。
+    /// </summary>
+    public DateTime EffectiveFrom { get; init; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// 生效结束时间（UTC），为空则长期有效。
+    /// </summary>
+    public DateTime? EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 发布者范围。
+    /// </summary>
+    public PublisherScope PublisherScope { get; init; } = PublisherScope.Tenant;
+
+    /// <summary>
+    /// 目标受众类型。
+    /// </summary>
+    [Required]
+    [MaxLength(64)]
+    public string TargetType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 目标受众参数（JSON）。
+    /// </summary>
+    public string? TargetParameters { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/DeleteTenantAnnouncementCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/DeleteTenantAnnouncementCommand.cs
new file mode 100644
index 0000000..3cd5964
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/DeleteTenantAnnouncementCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 删除租户公告命令。
+/// </summary>
+public sealed record DeleteTenantAnnouncementCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    public long AnnouncementId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/MarkAnnouncementAsReadCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/MarkAnnouncementAsReadCommand.cs
new file mode 100644
index 0000000..286e207
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/MarkAnnouncementAsReadCommand.cs
@@ -0,0 +1,22 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 标记公告已读命令。
+/// </summary>
+public sealed record MarkAnnouncementAsReadCommand : IRequest<TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法，兼容旧调用，实际以当前租户为准）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    [Range(1, long.MaxValue)]
+    public long AnnouncementId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/MarkTenantNotificationReadCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/MarkTenantNotificationReadCommand.cs
new file mode 100644
index 0000000..149a74a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/MarkTenantNotificationReadCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 标记通知已读命令。
+/// </summary>
+public sealed record MarkTenantNotificationReadCommand : IRequest<TenantNotificationDto?>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 通知 ID。
+    /// </summary>
+    public long NotificationId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/PublishAnnouncementCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/PublishAnnouncementCommand.cs
new file mode 100644
index 0000000..a56c6ba
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/PublishAnnouncementCommand.cs
@@ -0,0 +1,24 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 发布公告命令。
+/// </summary>
+public sealed record PublishAnnouncementCommand : IRequest<TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    [Range(1, long.MaxValue)]
+    public long AnnouncementId { get; init; }
+
+    /// <summary>
+    /// 并发控制版本。
+    /// </summary>
+    [Required]
+    [MinLength(1)]
+    public byte[] RowVersion { get; init; } = Array.Empty<byte>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/RevokeAnnouncementCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/RevokeAnnouncementCommand.cs
new file mode 100644
index 0000000..fc5628d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/RevokeAnnouncementCommand.cs
@@ -0,0 +1,24 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 撤销公告命令。
+/// </summary>
+public sealed record RevokeAnnouncementCommand : IRequest<TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    [Range(1, long.MaxValue)]
+    public long AnnouncementId { get; init; }
+
+    /// <summary>
+    /// 并发控制版本。
+    /// </summary>
+    [Required]
+    [MinLength(1)]
+    public byte[] RowVersion { get; init; } = Array.Empty<byte>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SelfRegisterTenantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SelfRegisterTenantCommand.cs
new file mode 100644
index 0000000..cddd7ed
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SelfRegisterTenantCommand.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 自助注册租户命令。
+/// </summary>
+public sealed record SelfRegisterTenantCommand : IRequest<SelfRegisterResultDto>
+{
+    /// <summary>
+    /// 初始管理员账号。
+    /// </summary>
+    [Required]
+    [StringLength(64)]
+    [RegularExpression("^[A-Za-z0-9]+$", ErrorMessage = "登录账号仅允许大小写字母和数字")]
+    public string AdminAccount { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 初始管理员展示名称。
+    /// </summary>
+    [StringLength(64)]
+    public string? AdminDisplayName { get; init; }
+
+    /// <summary>
+    /// 初始管理员邮箱。
+    /// </summary>
+    [EmailAddress]
+    [StringLength(128)]
+    public string? AdminEmail { get; init; }
+
+    /// <summary>
+    /// 初始管理员手机号。
+    /// </summary>
+    [Required]
+    [StringLength(32)]
+    public string AdminPhone { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 初始管理员登录密码（前端自定义）。
+    /// </summary>
+    [Required]
+    [StringLength(128, MinimumLength = 8)]
+    public string AdminPassword { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SubmitTenantVerificationCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SubmitTenantVerificationCommand.cs
new file mode 100644
index 0000000..94de46d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/SubmitTenantVerificationCommand.cs
@@ -0,0 +1,67 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 提交租户实名认证资料。
+/// </summary>
+public sealed record SubmitTenantVerificationCommand : IRequest<TenantVerificationDto>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    [Required]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 营业执照编号。
+    /// </summary>
+    public string? BusinessLicenseNumber { get; init; }
+
+    /// <summary>
+    /// 营业执照扫描件地址。
+    /// </summary>
+    public string? BusinessLicenseUrl { get; init; }
+
+    /// <summary>
+    /// 法人姓名。
+    /// </summary>
+    public string? LegalPersonName { get; init; }
+
+    /// <summary>
+    /// 法人身份证号。
+    /// </summary>
+    public string? LegalPersonIdNumber { get; init; }
+
+    /// <summary>
+    /// 法人身份证人像面图片地址。
+    /// </summary>
+    public string? LegalPersonIdFrontUrl { get; init; }
+
+    /// <summary>
+    /// 法人身份证国徽面图片地址。
+    /// </summary>
+    public string? LegalPersonIdBackUrl { get; init; }
+
+    /// <summary>
+    /// 对公账户户名。
+    /// </summary>
+    public string? BankAccountName { get; init; }
+
+    /// <summary>
+    /// 对公银行账号。
+    /// </summary>
+    public string? BankAccountNumber { get; init; }
+
+    /// <summary>
+    /// 开户行名称。
+    /// </summary>
+    public string? BankName { get; init; }
+
+    /// <summary>
+    /// 其他补充资料 JSON。
+    /// </summary>
+    public string? AdditionalDataJson { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantAnnouncementCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantAnnouncementCommand.cs
new file mode 100644
index 0000000..9ff5291
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantAnnouncementCommand.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 更新租户公告命令。
+/// </summary>
+public sealed record UpdateTenantAnnouncementCommand : IRequest<TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    public long AnnouncementId { get; init; }
+
+    /// <summary>
+    /// 公告标题。
+    /// </summary>
+    [Required]
+    [StringLength(128)]
+    public string Title { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 公告内容。
+    /// </summary>
+    [Required]
+    public string Content { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 目标受众类型。
+    /// </summary>
+    [Required]
+    [MaxLength(64)]
+    public string TargetType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 目标受众参数（JSON）。
+    /// </summary>
+    public string? TargetParameters { get; init; }
+
+    /// <summary>
+    /// 并发控制版本。
+    /// </summary>
+    [Required]
+    [MinLength(1)]
+    public byte[] RowVersion { get; init; } = Array.Empty<byte>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantCommand.cs
new file mode 100644
index 0000000..dcc5cda
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantCommand.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 更新租户基础信息命令。
+/// </summary>
+public sealed record UpdateTenantCommand : IRequest<Unit>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    [Required]
+    [StringLength(128)]
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 租户简称。
+    /// </summary>
+    [StringLength(64)]
+    public string? ShortName { get; init; }
+
+    /// <summary>
+    /// 所属行业。
+    /// </summary>
+    [StringLength(64)]
+    public string? Industry { get; init; }
+
+    /// <summary>
+    /// 联系人姓名。
+    /// </summary>
+    [StringLength(64)]
+    public string? ContactName { get; init; }
+
+    /// <summary>
+    /// 联系人电话。
+    /// </summary>
+    [StringLength(32)]
+    public string? ContactPhone { get; init; }
+
+    /// <summary>
+    /// 联系人邮箱。
+    /// </summary>
+    [StringLength(128)]
+    public string? ContactEmail { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/QuotaCheckResultDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/QuotaCheckResultDto.cs
new file mode 100644
index 0000000..b9ce7e6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/QuotaCheckResultDto.cs
@@ -0,0 +1,29 @@
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 配额校验结果。
+/// </summary>
+public sealed class QuotaCheckResultDto
+{
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 当前配额上限，null 表示无限制。
+    /// </summary>
+    public decimal? Limit { get; init; }
+
+    /// <summary>
+    /// 已使用数量。
+    /// </summary>
+    public decimal Used { get; init; }
+
+    /// <summary>
+    /// 剩余额度，null 表示无限制。
+    /// </summary>
+    public decimal? Remaining { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/QuotaUsageHistoryDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/QuotaUsageHistoryDto.cs
new file mode 100644
index 0000000..bff6e51
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/QuotaUsageHistoryDto.cs
@@ -0,0 +1,45 @@
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户配额使用历史 DTO。
+/// </summary>
+public sealed record QuotaUsageHistoryDto
+{
+    /// <summary>
+    /// 配额类型。
+    /// </summary>
+    public TenantQuotaType QuotaType { get; init; }
+
+    /// <summary>
+    /// 已使用值。
+    /// </summary>
+    public decimal UsedValue { get; init; }
+
+    /// <summary>
+    /// 限额值。
+    /// </summary>
+    public decimal LimitValue { get; init; }
+
+    /// <summary>
+    /// 记录时间（UTC）。
+    /// </summary>
+    public DateTime RecordedAt { get; init; }
+
+    /// <summary>
+    /// 变更类型：increase | decrease | init | snapshot。
+    /// </summary>
+    public string ChangeType { get; init; } = "snapshot";
+
+    /// <summary>
+    /// 变更量（可选）。
+    /// </summary>
+    public decimal? ChangeAmount { get; init; }
+
+    /// <summary>
+    /// 变更原因（可选）。
+    /// </summary>
+    public string? ChangeReason { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/SelfRegisterResultDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/SelfRegisterResultDto.cs
new file mode 100644
index 0000000..024e485
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/SelfRegisterResultDto.cs
@@ -0,0 +1,47 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 自助注册结果 DTO。
+/// </summary>
+public sealed class SelfRegisterResultDto
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    public string Code { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 初始状态。
+    /// </summary>
+    public TenantStatus Status { get; init; } = TenantStatus.PendingReview;
+
+    /// <summary>
+    /// 当前实名状态。
+    /// </summary>
+    public TenantVerificationStatus VerificationStatus { get; init; } = TenantVerificationStatus.Draft;
+
+    /// <summary>
+    /// 订阅开始时间。
+    /// </summary>
+    public DateTime? EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 订阅到期时间。
+    /// </summary>
+    public DateTime? EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 初始管理员账号。
+    /// </summary>
+    public string AdminAccount { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantAnnouncementDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantAnnouncementDto.cs
new file mode 100644
index 0000000..369d85a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantAnnouncementDto.cs
@@ -0,0 +1,113 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户公告 DTO。
+/// </summary>
+public sealed class TenantAnnouncementDto
+{
+    /// <summary>
+    /// 公告 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告标题。
+    /// </summary>
+    public string Title { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 公告正文内容。
+    /// </summary>
+    public string Content { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 公告类型。
+    /// </summary>
+    public TenantAnnouncementType AnnouncementType { get; init; }
+
+    /// <summary>
+    /// 优先级，数值越大越靠前。
+    /// </summary>
+    public int Priority { get; init; }
+
+    /// <summary>
+    /// 生效开始时间（UTC）。
+    /// </summary>
+    public DateTime EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 生效结束时间（UTC），为空则长期有效。
+    /// </summary>
+    public DateTime? EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 发布者范围。
+    /// </summary>
+    public PublisherScope PublisherScope { get; init; }
+
+    /// <summary>
+    /// 发布者用户 ID。
+    /// </summary>
+    public long? PublisherUserId { get; init; }
+
+    /// <summary>
+    /// 公告状态。
+    /// </summary>
+    public AnnouncementStatus Status { get; init; }
+
+    /// <summary>
+    /// 实际发布时间（UTC）。
+    /// </summary>
+    public DateTime? PublishedAt { get; init; }
+
+    /// <summary>
+    /// 撤销时间（UTC）。
+    /// </summary>
+    public DateTime? RevokedAt { get; init; }
+
+    /// <summary>
+    /// 预定发布时间（UTC）。
+    /// </summary>
+    public DateTime? ScheduledPublishAt { get; init; }
+
+    /// <summary>
+    /// 目标受众类型。
+    /// </summary>
+    public string TargetType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 目标受众参数（JSON）。
+    /// </summary>
+    public string? TargetParameters { get; init; }
+
+    /// <summary>
+    /// 并发控制版本。
+    /// </summary>
+    public byte[] RowVersion { get; init; } = Array.Empty<byte>();
+
+    /// <summary>
+    /// 是否启用（迁移期保留）。
+    /// </summary>
+    public bool IsActive { get; init; }
+
+    /// <summary>
+    /// 当前用户是否已读。
+    /// </summary>
+    public bool IsRead { get; init; }
+
+    /// <summary>
+    /// 已读时间（UTC）。
+    /// </summary>
+    public DateTime? ReadAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantBillingDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantBillingDto.cs
new file mode 100644
index 0000000..1007224
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantBillingDto.cs
@@ -0,0 +1,63 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户账单 DTO。
+/// </summary>
+public sealed class TenantBillingDto
+{
+    /// <summary>
+    /// 账单 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 账单编号。
+    /// </summary>
+    public string StatementNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 计费周期开始时间（UTC）。
+    /// </summary>
+    public DateTime PeriodStart { get; init; }
+
+    /// <summary>
+    /// 计费周期结束时间（UTC）。
+    /// </summary>
+    public DateTime PeriodEnd { get; init; }
+
+    /// <summary>
+    /// 应付金额。
+    /// </summary>
+    public decimal AmountDue { get; init; }
+
+    /// <summary>
+    /// 已付金额。
+    /// </summary>
+    public decimal AmountPaid { get; init; }
+
+    /// <summary>
+    /// 账单状态。
+    /// </summary>
+    public TenantBillingStatus Status { get; init; }
+
+    /// <summary>
+    /// 到期日（UTC）。
+    /// </summary>
+    public DateTime DueDate { get; init; }
+
+    /// <summary>
+    /// 账单明细 JSON。
+    /// </summary>
+    public string? LineItemsJson { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantNotificationDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantNotificationDto.cs
new file mode 100644
index 0000000..9a33244
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantNotificationDto.cs
@@ -0,0 +1,58 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户通知 DTO。
+/// </summary>
+public sealed class TenantNotificationDto
+{
+    /// <summary>
+    /// 通知 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID（雪花算法，序列化为字符串）。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 通知标题。
+    /// </summary>
+    public string Title { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 通知内容。
+    /// </summary>
+    public string Message { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 通道类型（如站内信、短信、邮件）。
+    /// </summary>
+    public TenantNotificationChannel Channel { get; init; }
+
+    /// <summary>
+    /// 通知等级。
+    /// </summary>
+    public TenantNotificationSeverity Severity { get; init; }
+
+    /// <summary>
+    /// 发送时间（UTC）。
+    /// </summary>
+    public DateTime SentAt { get; init; }
+
+    /// <summary>
+    /// 阅读时间（UTC）。
+    /// </summary>
+    public DateTime? ReadAt { get; init; }
+
+    /// <summary>
+    /// 附加元数据 JSON。
+    /// </summary>
+    public string? MetadataJson { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantPackageDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantPackageDto.cs
new file mode 100644
index 0000000..a3752c7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantPackageDto.cs
@@ -0,0 +1,107 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户套餐 DTO。
+/// </summary>
+public sealed class TenantPackageDto
+{
+    /// <summary>
+    /// 套餐 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 套餐名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 套餐类型。
+    /// </summary>
+    public TenantPackageType PackageType { get; init; }
+
+    /// <summary>
+    /// 月付价格。
+    /// </summary>
+    public decimal? MonthlyPrice { get; init; }
+
+    /// <summary>
+    /// 年付价格。
+    /// </summary>
+    public decimal? YearlyPrice { get; init; }
+
+    /// <summary>
+    /// 最大门店数。
+    /// </summary>
+    public int? MaxStoreCount { get; init; }
+
+    /// <summary>
+    /// 最大账号数。
+    /// </summary>
+    public int? MaxAccountCount { get; init; }
+
+    /// <summary>
+    /// 存储上限（GB）。
+    /// </summary>
+    public int? MaxStorageGb { get; init; }
+
+    /// <summary>
+    /// 短信额度。
+    /// </summary>
+    public int? MaxSmsCredits { get; init; }
+
+    /// <summary>
+    /// 配送单上限。
+    /// </summary>
+    public int? MaxDeliveryOrders { get; init; }
+
+    /// <summary>
+    /// 权益明细 JSON。
+    /// </summary>
+    public string? FeaturePoliciesJson { get; init; }
+
+    /// <summary>
+    /// 是否仍启用（系统控制）。
+    /// </summary>
+    public bool IsActive { get; init; }
+
+    /// <summary>
+    /// 是否对外可见。
+    /// </summary>
+    public bool IsPublicVisible { get; init; }
+
+    /// <summary>
+    /// 是否允许新租户购买/选择。
+    /// </summary>
+    public bool IsAllowNewTenantPurchase { get; init; }
+
+    /// <summary>
+    /// 发布状态。
+    /// </summary>
+    public TenantPackagePublishStatus PublishStatus { get; init; }
+
+    /// <summary>
+    /// 是否推荐展示（运营推荐标识）。
+    /// </summary>
+    public bool IsRecommended { get; init; }
+
+    /// <summary>
+    /// 套餐标签（用于展示与对比页）。
+    /// </summary>
+    public string[] Tags { get; init; } = [];
+
+    /// <summary>
+    /// 展示排序，数值越小越靠前。
+    /// </summary>
+    public int SortOrder { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantProgressDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantProgressDto.cs
new file mode 100644
index 0000000..25e5807
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantProgressDto.cs
@@ -0,0 +1,42 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户入住进度 DTO。
+/// </summary>
+public sealed class TenantProgressDto
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    public string Code { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 当前租户状态。
+    /// </summary>
+    public TenantStatus Status { get; init; }
+
+    /// <summary>
+    /// 实名审核状态。
+    /// </summary>
+    public TenantVerificationStatus VerificationStatus { get; init; }
+
+    /// <summary>
+    /// 当前订阅开始时间。
+    /// </summary>
+    public DateTime? EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 当前订阅到期时间。
+    /// </summary>
+    public DateTime? EffectiveTo { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantVerificationDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantVerificationDto.cs
new file mode 100644
index 0000000..f925008
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Dto/TenantVerificationDto.cs
@@ -0,0 +1,104 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.App.Tenants.Dto;
+
+/// <summary>
+/// 租户实名认证 DTO。
+/// </summary>
+public sealed class TenantVerificationDto
+{
+    /// <summary>
+    /// 主键。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户标识。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public TenantVerificationStatus Status { get; init; }
+
+    /// <summary>
+    /// 营业执照号。
+    /// </summary>
+    public string? BusinessLicenseNumber { get; init; }
+
+    /// <summary>
+    /// 营业执照图片。
+    /// </summary>
+    public string? BusinessLicenseUrl { get; init; }
+
+    /// <summary>
+    /// 法人姓名。
+    /// </summary>
+    public string? LegalPersonName { get; init; }
+
+    /// <summary>
+    /// 法人身份证号。
+    /// </summary>
+    public string? LegalPersonIdNumber { get; init; }
+
+    /// <summary>
+    /// 法人身份证正面。
+    /// </summary>
+    public string? LegalPersonIdFrontUrl { get; init; }
+
+    /// <summary>
+    /// 法人身份证反面。
+    /// </summary>
+    public string? LegalPersonIdBackUrl { get; init; }
+
+    /// <summary>
+    /// 开户名。
+    /// </summary>
+    public string? BankAccountName { get; init; }
+
+    /// <summary>
+    /// 银行账号。
+    /// </summary>
+    public string? BankAccountNumber { get; init; }
+
+    /// <summary>
+    /// 银行名称。
+    /// </summary>
+    public string? BankName { get; init; }
+
+    /// <summary>
+    /// 附加资料（JSON）。
+    /// </summary>
+    public string? AdditionalDataJson { get; init; }
+
+    /// <summary>
+    /// 提交时间。
+    /// </summary>
+    public DateTime? SubmittedAt { get; init; }
+
+    /// <summary>
+    /// 审核人 ID。
+    /// </summary>
+    [JsonConverter(typeof(NullableSnowflakeIdJsonConverter))]
+    public long? ReviewedBy { get; init; }
+
+    /// <summary>
+    /// 审核备注。
+    /// </summary>
+    public string? ReviewRemarks { get; init; }
+
+    /// <summary>
+    /// 最新审核人。
+    /// </summary>
+    public string? ReviewedByName { get; init; }
+
+    /// <summary>
+    /// 审核时间。
+    /// </summary>
+    public DateTime? ReviewedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
new file mode 100644
index 0000000..496d331
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
@@ -0,0 +1,162 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 配额校验处理器。
+/// </summary>
+public sealed class CheckTenantQuotaCommandHandler(
+    ITenantRepository tenantRepository,
+    ITenantPackageRepository packageRepository,
+    ITenantQuotaUsageRepository quotaUsageRepository,
+    ITenantQuotaUsageHistoryRepository quotaUsageHistoryRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<CheckTenantQuotaCommand, QuotaCheckResultDto>
+{
+    /// <inheritdoc />
+    public async Task<QuotaCheckResultDto> Handle(CheckTenantQuotaCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验请求参数
+        if (request.Delta <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "配额消耗量必须大于 0");
+        }
+
+        // 2. 校验租户上下文
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId == 0 || currentTenantId != request.TenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "租户上下文不匹配，请在请求头 X-Tenant-Id 指定目标租户");
+        }
+
+        // 3. 获取租户与当前订阅
+        _ = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+
+        var subscription = await tenantRepository.GetActiveSubscriptionAsync(request.TenantId, cancellationToken);
+        if (subscription == null || subscription.EffectiveTo <= DateTime.UtcNow)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "订阅不存在或已到期");
+        }
+
+        var package = await packageRepository.FindByIdAsync(subscription.TenantPackageId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "套餐不存在");
+
+        var limit = ResolveLimit(package, request.QuotaType);
+
+        // 4. 加载配额使用记录并计算
+        var usage = await quotaUsageRepository.FindAsync(request.TenantId, request.QuotaType, cancellationToken)
+                    ?? new TenantQuotaUsage
+                    {
+                        TenantId = request.TenantId,
+                        QuotaType = request.QuotaType,
+                        LimitValue = limit ?? 0,
+                        UsedValue = 0,
+                        ResetCycle = ResolveResetCycle(request.QuotaType)
+                    };
+
+        // 4.1 记录是否为首次初始化（用于落库历史）
+        var isNewUsage = usage.Id == 0;
+
+        var usedAfter = usage.UsedValue + request.Delta;
+        if (limit.HasValue && usedAfter > (decimal)limit.Value)
+        {
+            usage.LimitValue = limit.Value;
+            await PersistUsageAsync(usage, quotaUsageRepository, cancellationToken);
+            throw new BusinessException(ErrorCodes.Conflict, $"{request.QuotaType} 配额不足");
+        }
+
+        // 5. 更新使用并保存
+        usage.LimitValue = limit ?? usage.LimitValue;
+        usage.UsedValue = usedAfter;
+        usage.ResetCycle ??= ResolveResetCycle(request.QuotaType);
+
+        // 5.1 落库历史（初始化 + 本次消耗）
+        var now = DateTime.UtcNow;
+        if (isNewUsage)
+        {
+            await quotaUsageHistoryRepository.AddAsync(new TenantQuotaUsageHistory
+            {
+                TenantId = request.TenantId,
+                QuotaType = request.QuotaType,
+                UsedValue = 0,
+                LimitValue = usage.LimitValue,
+                RecordedAt = now,
+                ChangeType = TenantQuotaUsageHistoryChangeType.Init,
+                ChangeReason = "初始化配额使用记录"
+            }, cancellationToken);
+        }
+
+        await quotaUsageHistoryRepository.AddAsync(new TenantQuotaUsageHistory
+        {
+            TenantId = request.TenantId,
+            QuotaType = request.QuotaType,
+            UsedValue = usage.UsedValue,
+            LimitValue = usage.LimitValue,
+            RecordedAt = now,
+            ChangeType = TenantQuotaUsageHistoryChangeType.Decrease,
+            ChangeAmount = request.Delta,
+            ChangeReason = "消耗配额"
+        }, cancellationToken);
+
+        await PersistUsageAsync(usage, quotaUsageRepository, cancellationToken);
+
+        // 6. 返回结果
+        return new QuotaCheckResultDto
+        {
+            QuotaType = request.QuotaType,
+            Limit = limit,
+            Used = usage.UsedValue,
+            Remaining = limit.HasValue ? limit.Value - usage.UsedValue : null
+        };
+    }
+
+    private static decimal? ResolveLimit(TenantPackage package, TenantQuotaType quotaType)
+    {
+        return quotaType switch
+        {
+            TenantQuotaType.StoreCount => package.MaxStoreCount,
+            TenantQuotaType.AccountCount => package.MaxAccountCount,
+            TenantQuotaType.Storage => package.MaxStorageGb,
+            TenantQuotaType.SmsCredits => package.MaxSmsCredits,
+            TenantQuotaType.DeliveryOrders => package.MaxDeliveryOrders,
+            _ => null
+        };
+    }
+
+    private static string ResolveResetCycle(TenantQuotaType quotaType)
+    {
+        return quotaType switch
+        {
+            TenantQuotaType.SmsCredits => "monthly",
+            TenantQuotaType.DeliveryOrders => "monthly",
+            _ => "lifetime"
+        };
+    }
+
+    private static async Task PersistUsageAsync(
+        TenantQuotaUsage usage,
+        ITenantQuotaUsageRepository quotaUsageRepository,
+        CancellationToken cancellationToken)
+    {
+        // 判断是否为新增。
+        if (usage.Id == 0)
+        {
+            await quotaUsageRepository.AddAsync(usage, cancellationToken);
+        }
+        else
+        {
+            await quotaUsageRepository.UpdateAsync(usage, cancellationToken);
+        }
+
+        await quotaUsageRepository.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantAnnouncementCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantAnnouncementCommandHandler.cs
new file mode 100644
index 0000000..e45843c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantAnnouncementCommandHandler.cs
@@ -0,0 +1,99 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 创建公告处理器。
+/// </summary>
+public sealed class CreateTenantAnnouncementCommandHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<CreateTenantAnnouncementCommand, TenantAnnouncementDto>
+{
+    /// <summary>
+    /// 处理创建租户公告请求。
+    /// </summary>
+    /// <param name="request">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>公告 DTO。</returns>
+    public async Task<TenantAnnouncementDto> Handle(CreateTenantAnnouncementCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户/系统公告）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权创建其他租户公告");
+        }
+
+        // 3. (空行后) 校验标题与内容
+        if (string.IsNullOrWhiteSpace(request.Title) || string.IsNullOrWhiteSpace(request.Content))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "公告标题和内容不能为空");
+        }
+
+        // 4. (空行后) 校验公告发布范围：租户端仅允许租户公告
+        if (request.PublisherScope != PublisherScope.Tenant)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "租户端仅允许创建租户公告");
+        }
+
+        if (string.IsNullOrWhiteSpace(request.TargetType))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "目标受众类型不能为空");
+        }
+        // 4.1 (空行后) 校验目标受众类型：租户端禁止跨租户目标类型
+        if (!TenantAnnouncementTargetTypePolicy.IsAllowed(request.TargetType))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "租户端不支持该目标受众类型");
+        }
+
+        if (request.EffectiveTo.HasValue && request.EffectiveFrom >= request.EffectiveTo.Value)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "生效开始时间必须早于结束时间");
+        }
+
+        // 5. (空行后) 构建公告实体
+        var tenantId = currentTenantId;
+        var publisherUserId = currentUserAccessor.UserId == 0 ? (long?)null : currentUserAccessor.UserId;
+        // 5.1 (空行后) 规范化目标类型，避免写入脏数据
+        var normalizedTargetType = TenantAnnouncementTargetTypePolicy.Normalize(request.TargetType);
+        var announcement = new TenantAnnouncement
+        {
+            TenantId = tenantId,
+            Title = request.Title.Trim(),
+            Content = request.Content,
+            AnnouncementType = request.AnnouncementType,
+            Priority = request.Priority,
+            EffectiveFrom = request.EffectiveFrom,
+            EffectiveTo = request.EffectiveTo,
+            PublisherScope = request.PublisherScope,
+            PublisherUserId = publisherUserId,
+            Status = AnnouncementStatus.Draft,
+            TargetType = normalizedTargetType,
+            TargetParameters = request.TargetParameters
+        };
+
+        // 6. (空行后) 持久化并返回 DTO
+        await announcementRepository.AddAsync(announcement, cancellationToken);
+        await announcementRepository.SaveChangesAsync(cancellationToken);
+
+        return announcement.ToDto(false, null);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/DeleteTenantAnnouncementCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/DeleteTenantAnnouncementCommandHandler.cs
new file mode 100644
index 0000000..e175625
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/DeleteTenantAnnouncementCommandHandler.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 删除公告处理器。
+/// </summary>
+public sealed class DeleteTenantAnnouncementCommandHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<DeleteTenantAnnouncementCommand, bool>
+{
+    /// <summary>
+    /// 处理删除公告请求。
+    /// </summary>
+    /// <param name="request">删除命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(DeleteTenantAnnouncementCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权删除其他租户公告");
+        }
+
+        // 3. (空行后) 删除公告
+        await announcementRepository.DeleteAsync(currentTenantId, request.AnnouncementId, cancellationToken);
+        await announcementRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. (空行后) 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetAnnouncementByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetAnnouncementByIdQueryHandler.cs
new file mode 100644
index 0000000..ac7c4dd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetAnnouncementByIdQueryHandler.cs
@@ -0,0 +1,71 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 公告详情查询处理器。
+/// </summary>
+public sealed class GetAnnouncementByIdQueryHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantAnnouncementReadRepository readRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IAdminAuthService? adminAuthService = null,
+    IMiniAuthService? miniAuthService = null)
+    : IRequestHandler<GetAnnouncementByIdQuery, TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 查询公告详情。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>公告 DTO 或 null。</returns>
+    public async Task<TenantAnnouncementDto?> Handle(GetAnnouncementByIdQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 1. 查询公告主体
+        var announcement = await announcementRepository.FindByIdAsync(tenantId, request.AnnouncementId, cancellationToken);
+        if (announcement == null)
+        {
+            return null;
+        }
+
+        // 2. 目标受众过滤
+        var targetContext = await AnnouncementTargetContextFactory.BuildAsync(
+            tenantProvider,
+            currentUserAccessor,
+            adminAuthService,
+            miniAuthService,
+            cancellationToken);
+
+        if (!TargetTypeFilter.IsMatch(announcement, targetContext))
+        {
+            return null;
+        }
+
+        // 3. 优先查用户级已读
+        var userId = targetContext.UserId;
+        var reads = await readRepository.GetByAnnouncementAsync(
+            tenantId,
+            new[] { announcement.Id },
+            userId == 0 ? null : userId,
+            cancellationToken);
+
+        if (reads.Count == 0)
+        {
+            var tenantReads = await readRepository.GetByAnnouncementAsync(tenantId, new[] { announcement.Id }, null, cancellationToken);
+            reads = tenantReads;
+        }
+
+        var readRecord = reads.FirstOrDefault();
+        return announcement.ToDto(readRecord != null, readRecord?.ReadAt);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetPublicTenantPackagesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetPublicTenantPackagesQueryHandler.cs
new file mode 100644
index 0000000..a974f4c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetPublicTenantPackagesQueryHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 公共场景分页查询启用套餐处理器。
+/// </summary>
+public sealed class GetPublicTenantPackagesQueryHandler(ITenantPackageRepository packageRepository)
+    : IRequestHandler<GetPublicTenantPackagesQuery, PagedResult<TenantPackageDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<TenantPackageDto>> Handle(GetPublicTenantPackagesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 仅查询公共可选购套餐（已发布 + 对外可见 + 允许新购 + 启用）
+        var packages = await packageRepository.SearchPublicPurchasableAsync(cancellationToken);
+        // 2. 规范化分页参数
+        var pageIndex = request.Page <= 0 ? 1 : request.Page;
+        var size = request.PageSize <= 0 ? 20 : request.PageSize;
+        // 3. 执行排序、分页与映射
+        var ordered = packages
+            .OrderBy(x => x.SortOrder)
+            .ThenByDescending(x => x.CreatedAt)
+            .ToList();
+        var items = ordered
+            .Skip((pageIndex - 1) * size)
+            .Take(size)
+            .Select(x => x.ToDto())
+            .ToList();
+        // 4. 返回分页结果
+        return new PagedResult<TenantPackageDto>(items, pageIndex, size, ordered.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantBillQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantBillQueryHandler.cs
new file mode 100644
index 0000000..c6b7c50
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantBillQueryHandler.cs
@@ -0,0 +1,46 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 账单详情查询处理器。
+/// </summary>
+public sealed class GetTenantBillQueryHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetTenantBillQuery, TenantBillingDto?>
+{
+    /// <summary>
+    /// 查询账单详情。
+    /// </summary>
+    /// <param name="request">查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>账单 DTO 或 null。</returns>
+    public async Task<TenantBillingDto?> Handle(GetTenantBillQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权查询其他租户账单");
+        }
+
+        // 3. (空行后) 查询账单
+        var bill = await billingRepository.FindByIdAsync(currentTenantId, request.BillingId, cancellationToken);
+
+        // 4. (空行后) 返回 DTO 或 null
+        return bill?.ToDto();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantPackageByIdQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantPackageByIdQueryHandler.cs
new file mode 100644
index 0000000..4b6b898
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantPackageByIdQueryHandler.cs
@@ -0,0 +1,23 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 套餐详情查询处理器。
+/// </summary>
+public sealed class GetTenantPackageByIdQueryHandler(ITenantPackageRepository packageRepository)
+    : IRequestHandler<GetTenantPackageByIdQuery, TenantPackageDto?>
+{
+    /// <inheritdoc />
+    public async Task<TenantPackageDto?> Handle(GetTenantPackageByIdQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询套餐
+        var package = await packageRepository.FindByIdAsync(request.TenantPackageId, cancellationToken);
+
+        // 2. 返回 DTO 或 null
+        return package?.ToDto();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantProgressQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantProgressQueryHandler.cs
new file mode 100644
index 0000000..efe1cbe
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantProgressQueryHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 租户入住进度查询处理器。
+/// </summary>
+public sealed class GetTenantProgressQueryHandler(
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetTenantProgressQuery, TenantProgressDto>
+{
+    /// <inheritdoc />
+    public async Task<TenantProgressDto> Handle(GetTenantProgressQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权查询其他租户进度");
+        }
+
+        // 3. (空行后) 查询租户
+        var tenant = await tenantRepository.FindByIdAsync(currentTenantId, cancellationToken)
+                     ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+
+        // 4. (空行后) 查询订阅与实名
+        var subscription = await tenantRepository.GetActiveSubscriptionAsync(currentTenantId, cancellationToken);
+        var verification = await tenantRepository.GetVerificationProfileAsync(currentTenantId, cancellationToken);
+
+        // 5. (空行后) 组装进度信息
+        return new TenantProgressDto
+        {
+            TenantId = tenant.Id,
+            Code = tenant.Code,
+            Status = tenant.Status,
+            VerificationStatus = verification?.Status ?? TenantVerificationStatus.Draft,
+            EffectiveFrom = subscription?.EffectiveFrom ?? tenant.EffectiveFrom,
+            EffectiveTo = subscription?.EffectiveTo ?? tenant.EffectiveTo
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantQuotaUsageHistoryQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantQuotaUsageHistoryQueryHandler.cs
new file mode 100644
index 0000000..4d46550
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantQuotaUsageHistoryQueryHandler.cs
@@ -0,0 +1,186 @@
+using MediatR;
+using System.Data;
+using System.Data.Common;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 分页查询租户配额使用历史处理器。
+/// </summary>
+public sealed class GetTenantQuotaUsageHistoryQueryHandler(
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider,
+    IDapperExecutor dapperExecutor)
+    : IRequestHandler<GetTenantQuotaUsageHistoryQuery, PagedResult<QuotaUsageHistoryDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<QuotaUsageHistoryDto>> Handle(GetTenantQuotaUsageHistoryQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权查询其他租户配额历史");
+        }
+
+        // 3. (空行后) 校验租户存在
+        _ = await tenantRepository.FindByIdAsync(currentTenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+
+        // 4. (空行后) 规范化分页
+        var page = request.Page <= 0 ? 1 : request.Page;
+        var pageSize = request.PageSize is <= 0 or > 100 ? 10 : request.PageSize;
+        var offset = (page - 1) * pageSize;
+
+        // 5. (空行后) 查询总数 + 列表
+        return await dapperExecutor.QueryAsync(
+            DatabaseConstants.AppDataSource,
+            DatabaseConnectionRole.Read,
+            async (connection, token) =>
+            {
+                // 3.1 统计总数
+                var total = await ExecuteScalarIntAsync(
+                    connection,
+                    BuildCountSql(),
+                    [
+                        ("tenantId", currentTenantId),
+                        ("quotaType", request.QuotaType.HasValue ? (int)request.QuotaType.Value : null),
+                        ("startDate", request.StartDate),
+                        ("endDate", request.EndDate)
+                    ],
+                    token);
+
+                // 3.2 查询列表
+                await using var listCommand = CreateCommand(
+                    connection,
+                    BuildListSql(),
+                    [
+                        ("tenantId", currentTenantId),
+                        ("quotaType", request.QuotaType.HasValue ? (int)request.QuotaType.Value : null),
+                        ("startDate", request.StartDate),
+                        ("endDate", request.EndDate),
+                        ("offset", offset),
+                        ("limit", pageSize)
+                    ]);
+
+                await using var reader = await listCommand.ExecuteReaderAsync(token);
+                var items = new List<QuotaUsageHistoryDto>();
+                while (await reader.ReadAsync(token))
+                {
+                    var quotaType = (TenantQuotaType)reader.GetInt32(0);
+                    var usedValue = reader.GetDecimal(1);
+                    var limitValue = reader.GetDecimal(2);
+                    var recordedAt = reader.GetDateTime(3);
+                    var changeType = (TenantQuotaUsageHistoryChangeType)reader.GetInt32(4);
+                    decimal? changeAmount = reader.IsDBNull(5) ? null : reader.GetDecimal(5);
+                    var changeReason = reader.IsDBNull(6) ? null : reader.GetString(6);
+
+                    // 3.2.1 映射 DTO
+                    items.Add(new QuotaUsageHistoryDto
+                    {
+                        QuotaType = quotaType,
+                        UsedValue = usedValue,
+                        LimitValue = limitValue,
+                        RecordedAt = recordedAt,
+                        ChangeType = MapChangeType(changeType),
+                        ChangeAmount = changeAmount,
+                        ChangeReason = changeReason
+                    });
+                }
+
+                // 3.3 返回分页
+                return new PagedResult<QuotaUsageHistoryDto>(items, page, pageSize, total);
+            },
+            cancellationToken);
+    }
+
+    private static string BuildCountSql()
+    {
+        return """
+            select count(*)
+            from public.tenant_quota_usage_histories h
+            where h."DeletedAt" is null
+              and h."TenantId" = @tenantId
+              and (@quotaType::int is null or h."QuotaType" = @quotaType)
+              and (@startDate::timestamp with time zone is null or h."RecordedAt" >= @startDate)
+              and (@endDate::timestamp with time zone is null or h."RecordedAt" <= @endDate);
+            """;
+    }
+
+    private static string BuildListSql()
+    {
+        return """
+            select
+              h."QuotaType",
+              h."UsedValue",
+              h."LimitValue",
+              h."RecordedAt",
+              h."ChangeType",
+              h."ChangeAmount",
+              h."ChangeReason"
+            from public.tenant_quota_usage_histories h
+            where h."DeletedAt" is null
+              and h."TenantId" = @tenantId
+              and (@quotaType::int is null or h."QuotaType" = @quotaType)
+              and (@startDate::timestamp with time zone is null or h."RecordedAt" >= @startDate)
+              and (@endDate::timestamp with time zone is null or h."RecordedAt" <= @endDate)
+            order by h."RecordedAt" desc, h."Id" desc
+            offset @offset
+            limit @limit;
+            """;
+    }
+
+    private static string MapChangeType(TenantQuotaUsageHistoryChangeType changeType)
+    {
+        return changeType switch
+        {
+            TenantQuotaUsageHistoryChangeType.Init => "init",
+            TenantQuotaUsageHistoryChangeType.Snapshot => "snapshot",
+            TenantQuotaUsageHistoryChangeType.Increase => "increase",
+            TenantQuotaUsageHistoryChangeType.Decrease => "decrease",
+            _ => "snapshot"
+        };
+    }
+
+    private static async Task<int> ExecuteScalarIntAsync(
+        IDbConnection connection,
+        string sql,
+        (string Name, object? Value)[] parameters,
+        CancellationToken cancellationToken)
+    {
+        await using var command = CreateCommand(connection, sql, parameters);
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return result is null or DBNull ? 0 : Convert.ToInt32(result);
+    }
+
+    private static DbCommand CreateCommand(IDbConnection connection, string sql, (string Name, object? Value)[] parameters)
+    {
+        var command = connection.CreateCommand();
+        command.CommandText = sql;
+
+        foreach (var (name, value) in parameters)
+        {
+            var p = command.CreateParameter();
+            p.ParameterName = name;
+            p.Value = value ?? DBNull.Value;
+            command.Parameters.Add(p);
+        }
+
+        return (DbCommand)command;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantsAnnouncementsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantsAnnouncementsQueryHandler.cs
new file mode 100644
index 0000000..22b85d6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantsAnnouncementsQueryHandler.cs
@@ -0,0 +1,129 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 公告分页查询处理器。
+/// </summary>
+public sealed class GetTenantsAnnouncementsQueryHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantAnnouncementReadRepository announcementReadRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IAdminAuthService? adminAuthService = null,
+    IMiniAuthService? miniAuthService = null)
+    : IRequestHandler<GetTenantsAnnouncementsQuery, PagedResult<TenantAnnouncementDto>>
+{
+    /// <summary>
+    /// 分页查询公告列表。
+    /// </summary>
+    /// <param name="request">查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<PagedResult<TenantAnnouncementDto>> Handle(GetTenantsAnnouncementsQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var effectiveAt = request.OnlyEffective == true ? DateTime.UtcNow : (DateTime?)null;
+
+        // 计算分页参数
+        var page = request.Page <= 0 ? 1 : request.Page;
+        var size = request.PageSize <= 0 ? 20 : request.PageSize;
+
+        // 估算需要查询的数量：考虑到目标受众过滤可能会移除一些记录，
+        // 我们查询 3 倍的数量以确保有足够的结果
+        var estimatedLimit = page * size * 3;
+
+        // 1. 优化的数据库查询：应用排序和限制
+        var announcements = await announcementRepository.SearchAsync(
+            tenantId,
+            request.Keyword,
+            request.Status,
+            request.AnnouncementType,
+            request.IsActive,
+            request.EffectiveFrom,
+            request.EffectiveTo,
+            effectiveAt,
+            orderByPriority: true,      // 在数据库端排序
+            limit: estimatedLimit,       // 限制结果数量
+            cancellationToken);
+
+        // 2. 内存过滤：ScheduledPublishAt
+        if (effectiveAt.HasValue)
+        {
+            var at = effectiveAt.Value;
+            announcements = announcements
+                .Where(x => x.ScheduledPublishAt == null || x.ScheduledPublishAt <= at)
+                .ToList();
+        }
+
+        // 3. 目标受众过滤（在内存中，但数据量已大幅减少）
+        var targetContext = await AnnouncementTargetContextFactory.BuildAsync(
+            tenantProvider,
+            currentUserAccessor,
+            adminAuthService,
+            miniAuthService,
+            cancellationToken);
+
+        var filtered = announcements
+            .Where(a => TargetTypeFilter.IsMatch(a, targetContext))
+            .ToList();
+
+        // 注意：由于目标受众过滤可能移除记录，filtered.Count 可能小于请求的 size
+        // 这是可接受的，因为精确计算总数代价高昂
+
+        // 4. 分页（数据已在数据库层排序，这里只需 Skip/Take）
+        var pageItems = filtered
+            .Skip((page - 1) * size)
+            .Take(size)
+            .ToList();
+
+        // 5. 构建已读映射
+        var announcementIds = pageItems.Select(x => x.Id).ToArray();
+        var userId = targetContext.UserId;
+
+        var readMap = new Dictionary<long, (bool isRead, DateTime? readAt)>();
+        if (announcementIds.Length > 0)
+        {
+            var reads = new List<Domain.Tenants.Entities.TenantAnnouncementRead>();
+            if (userId != 0)
+            {
+                var userReads = await announcementReadRepository.GetByAnnouncementAsync(tenantId, announcementIds, userId, cancellationToken);
+                reads.AddRange(userReads);
+            }
+
+            var tenantReads = await announcementReadRepository.GetByAnnouncementAsync(tenantId, announcementIds, null, cancellationToken);
+            reads.AddRange(tenantReads);
+
+            foreach (var read in reads.OrderByDescending(x => x.ReadAt))
+            {
+                if (readMap.ContainsKey(read.AnnouncementId) && read.UserId.HasValue)
+                {
+                    continue;
+                }
+
+                readMap[read.AnnouncementId] = (true, read.ReadAt);
+            }
+        }
+
+        // 6. 映射 DTO 并带上已读状态
+        var items = pageItems
+            .Select(a =>
+            {
+                readMap.TryGetValue(a.Id, out var read);
+                return a.ToDto(read.isRead, read.readAt);
+            })
+            .ToList();
+
+        // 注意：由于我们使用了估算的 limit，总数是 filtered.Count 而不是数据库中的实际总数
+        // 这是一个权衡：精确的总数需要额外的 COUNT 查询，代价较高
+        return new PagedResult<TenantAnnouncementDto>(items, page, size, filtered.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetUnreadAnnouncementsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetUnreadAnnouncementsQueryHandler.cs
new file mode 100644
index 0000000..fc5a445
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetUnreadAnnouncementsQueryHandler.cs
@@ -0,0 +1,76 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 未读公告查询处理器。
+/// </summary>
+public sealed class GetUnreadAnnouncementsQueryHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IAdminAuthService? adminAuthService = null,
+    IMiniAuthService? miniAuthService = null)
+    : IRequestHandler<GetUnreadAnnouncementsQuery, PagedResult<TenantAnnouncementDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<TenantAnnouncementDto>> Handle(GetUnreadAnnouncementsQuery request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var userId = currentUserAccessor?.UserId ?? 0;
+        var now = DateTime.UtcNow;
+
+        // 1. 查询未读公告（已发布/启用/有效期内）
+        var announcements = await announcementRepository.SearchUnreadAsync(
+            tenantId,
+            userId == 0 ? null : userId,
+            AnnouncementStatus.Published,
+            true,
+            now,
+            cancellationToken);
+
+        announcements = announcements
+            .Where(x => x.ScheduledPublishAt == null || x.ScheduledPublishAt <= now)
+            .ToList();
+
+        // 2. 目标受众过滤
+        var targetContext = await AnnouncementTargetContextFactory.BuildAsync(
+            tenantProvider,
+            currentUserAccessor,
+            adminAuthService,
+            miniAuthService,
+            cancellationToken);
+
+        var filtered = announcements
+            .Where(a => TargetTypeFilter.IsMatch(a, targetContext))
+            .ToList();
+
+        // 3. 排序与分页
+        var ordered = filtered
+            .OrderByDescending(x => x.Priority)
+            .ThenByDescending(x => x.EffectiveFrom)
+            .ToList();
+
+        var page = request.Page <= 0 ? 1 : request.Page;
+        var size = request.PageSize <= 0 ? 20 : request.PageSize;
+        var pageItems = ordered
+            .Skip((page - 1) * size)
+            .Take(size)
+            .ToList();
+
+        var items = pageItems
+            .Select(x => x.ToDto(false, null))
+            .ToList();
+
+        return new PagedResult<TenantAnnouncementDto>(items, page, size, ordered.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkAnnouncementAsReadCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkAnnouncementAsReadCommandHandler.cs
new file mode 100644
index 0000000..caa495c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkAnnouncementAsReadCommandHandler.cs
@@ -0,0 +1,100 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 标记公告已读处理器。
+/// </summary>
+public sealed class MarkAnnouncementAsReadCommandHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantAnnouncementReadRepository readRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IAdminAuthService? adminAuthService = null,
+    IMiniAuthService? miniAuthService = null)
+    : IRequestHandler<MarkAnnouncementAsReadCommand, TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 标记公告已读。
+    /// </summary>
+    /// <param name="request">标记命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>公告 DTO 或 null。</returns>
+    public async Task<TenantAnnouncementDto?> Handle(MarkAnnouncementAsReadCommand request, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 1. 查询公告
+        var announcement = await announcementRepository.FindByIdAsync(tenantId, request.AnnouncementId, cancellationToken);
+        if (announcement == null)
+        {
+            return null;
+        }
+
+        // 2. 仅允许已发布且在有效期内的公告标记已读
+        var now = DateTime.UtcNow;
+        if (announcement.Status != AnnouncementStatus.Published)
+        {
+            return null;
+        }
+
+        if (announcement.EffectiveFrom > now || (announcement.EffectiveTo.HasValue && announcement.EffectiveTo.Value < now))
+        {
+            return null;
+        }
+
+        if (announcement.ScheduledPublishAt.HasValue && announcement.ScheduledPublishAt.Value > now)
+        {
+            return null;
+        }
+
+        // 3. 目标受众过滤
+        var targetContext = await AnnouncementTargetContextFactory.BuildAsync(
+            tenantProvider,
+            currentUserAccessor,
+            adminAuthService,
+            miniAuthService,
+            cancellationToken);
+
+        if (!TargetTypeFilter.IsMatch(announcement, targetContext))
+        {
+            return null;
+        }
+
+        // 4. 确定用户标识
+        var userId = targetContext.UserId == 0 ? (long?)null : targetContext.UserId;
+        var existing = await readRepository.FindAsync(tenantId, announcement.Id, userId, cancellationToken);
+
+        if (existing == null && userId.HasValue)
+        {
+            existing = await readRepository.FindAsync(tenantId, announcement.Id, null, cancellationToken);
+        }
+
+        // 5. 如未读则写入已读记录
+        if (existing == null)
+        {
+            var record = new TenantAnnouncementRead
+            {
+                TenantId = tenantId,
+                AnnouncementId = announcement.Id,
+                UserId = userId,
+                ReadAt = now
+            };
+
+            await readRepository.AddAsync(record, cancellationToken);
+            await readRepository.SaveChangesAsync(cancellationToken);
+            existing = record;
+        }
+
+        return announcement.ToDto(true, existing.ReadAt);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantNotificationReadCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantNotificationReadCommandHandler.cs
new file mode 100644
index 0000000..7d75258
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantNotificationReadCommandHandler.cs
@@ -0,0 +1,58 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 标记通知已读处理器。
+/// </summary>
+public sealed class MarkTenantNotificationReadCommandHandler(
+    ITenantNotificationRepository notificationRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<MarkTenantNotificationReadCommand, TenantNotificationDto?>
+{
+    /// <summary>
+    /// 标记通知已读。
+    /// </summary>
+    /// <param name="request">标记命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>通知 DTO 或 null。</returns>
+    public async Task<TenantNotificationDto?> Handle(MarkTenantNotificationReadCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权标记其他租户通知");
+        }
+
+        // 3. (空行后) 查询通知
+        var notification = await notificationRepository.FindByIdAsync(currentTenantId, request.NotificationId, cancellationToken);
+        if (notification == null)
+        {
+            return null;
+        }
+
+        // 4. (空行后) 若未读则标记已读
+        if (notification.ReadAt == null)
+        {
+            notification.ReadAt = DateTime.UtcNow;
+            await notificationRepository.UpdateAsync(notification, cancellationToken);
+            await notificationRepository.SaveChangesAsync(cancellationToken);
+        }
+
+        // 5. (空行后) 返回 DTO
+        return notification.ToDto();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/PublishAnnouncementCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/PublishAnnouncementCommandHandler.cs
new file mode 100644
index 0000000..1162527
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/PublishAnnouncementCommandHandler.cs
@@ -0,0 +1,84 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.Messaging.Abstractions;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Events;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 发布公告处理器。
+/// </summary>
+public sealed class PublishAnnouncementCommandHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantProvider tenantProvider,
+    IEventPublisher eventPublisher)
+    : IRequestHandler<PublishAnnouncementCommand, TenantAnnouncementDto?>
+{
+    /// <inheritdoc />
+    public async Task<TenantAnnouncementDto?> Handle(PublishAnnouncementCommand request, CancellationToken cancellationToken)
+    {
+        if (request.RowVersion == null || request.RowVersion.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "RowVersion 不能为空");
+        }
+
+        // 1. 查询公告
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var announcement = await announcementRepository.FindByIdAsync(tenantId, request.AnnouncementId, cancellationToken);
+        if (announcement == null)
+        {
+            return null;
+        }
+
+        // 2. 校验状态与目标受众
+        if (string.IsNullOrWhiteSpace(announcement.TargetType))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "目标受众类型不能为空");
+        }
+
+        if (announcement.Status == AnnouncementStatus.Published)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "公告已发布");
+        }
+
+        if (announcement.Status != AnnouncementStatus.Draft && announcement.Status != AnnouncementStatus.Revoked)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "仅草稿或已撤销公告允许发布");
+        }
+
+        // 3. 发布公告
+        announcement.Status = AnnouncementStatus.Published;
+        announcement.PublishedAt = DateTime.UtcNow;
+        announcement.RevokedAt = null;
+        announcement.RowVersion = request.RowVersion;
+
+        try
+        {
+            await announcementRepository.UpdateAsync(announcement, cancellationToken);
+            await announcementRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (exception.GetType().Name == "DbUpdateConcurrencyException")
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "公告已被修改，请刷新后重试");
+        }
+
+        // 4. 发布领域事件
+        await eventPublisher.PublishAsync(
+            "tenant-announcement.published",
+            new AnnouncementPublished
+            {
+                AnnouncementId = announcement.Id,
+                PublishedAt = announcement.PublishedAt ?? DateTime.UtcNow,
+                TargetType = announcement.TargetType
+            },
+            cancellationToken);
+
+        return announcement.ToDto(false, null);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/RevokeAnnouncementCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/RevokeAnnouncementCommandHandler.cs
new file mode 100644
index 0000000..01a57d5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/RevokeAnnouncementCommandHandler.cs
@@ -0,0 +1,77 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.Messaging.Abstractions;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Events;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 撤销公告处理器。
+/// </summary>
+public sealed class RevokeAnnouncementCommandHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantProvider tenantProvider,
+    IEventPublisher eventPublisher)
+    : IRequestHandler<RevokeAnnouncementCommand, TenantAnnouncementDto?>
+{
+    /// <inheritdoc />
+    public async Task<TenantAnnouncementDto?> Handle(RevokeAnnouncementCommand request, CancellationToken cancellationToken)
+    {
+        if (request.RowVersion == null || request.RowVersion.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "RowVersion 不能为空");
+        }
+
+        // 1. 查询公告
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var announcement = await announcementRepository.FindByIdAsync(tenantId, request.AnnouncementId, cancellationToken);
+        if (announcement == null)
+        {
+            return null;
+        }
+
+        // 2. 校验状态
+        if (announcement.Status != AnnouncementStatus.Published)
+        {
+            if (announcement.Status == AnnouncementStatus.Revoked)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "公告已撤销");
+            }
+
+            throw new BusinessException(ErrorCodes.Conflict, "仅已发布公告允许撤销");
+        }
+
+        // 3. 撤销公告
+        announcement.Status = AnnouncementStatus.Revoked;
+        announcement.RevokedAt = DateTime.UtcNow;
+        announcement.RowVersion = request.RowVersion;
+
+        try
+        {
+            await announcementRepository.UpdateAsync(announcement, cancellationToken);
+            await announcementRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (exception.GetType().Name == "DbUpdateConcurrencyException")
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "公告已被修改，请刷新后重试");
+        }
+
+        // 4. 发布领域事件
+        await eventPublisher.PublishAsync(
+            "tenant-announcement.revoked",
+            new AnnouncementRevoked
+            {
+                AnnouncementId = announcement.Id,
+                RevokedAt = announcement.RevokedAt ?? DateTime.UtcNow
+            },
+            cancellationToken);
+
+        return announcement.ToDto(false, null);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs
new file mode 100644
index 0000000..3286117
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 账单分页查询处理器。
+/// </summary>
+public sealed class SearchTenantBillsQueryHandler(
+    ITenantBillingRepository billingRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchTenantBillsQuery, PagedResult<TenantBillingDto>>
+{
+    /// <summary>
+    /// 分页查询账单列表。
+    /// </summary>
+    /// <param name="request">查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<PagedResult<TenantBillingDto>> Handle(SearchTenantBillsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权查询其他租户账单");
+        }
+
+        // 3. (空行后) 查询账单
+        var bills = await billingRepository.SearchAsync(currentTenantId, request.Status, request.From, request.To, cancellationToken);
+
+        // 4. (空行后) 排序与分页
+        var ordered = bills.OrderByDescending(x => x.PeriodEnd).ToList();
+        var page = request.Page <= 0 ? 1 : request.Page;
+        var size = request.PageSize <= 0 ? 20 : request.PageSize;
+        var items = ordered.Skip((page - 1) * size).Take(size).Select(x => x.ToDto()).ToList();
+
+        // 5. (空行后) 返回分页结果
+        return new PagedResult<TenantBillingDto>(items, page, size, ordered.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs
new file mode 100644
index 0000000..c37a1df
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs
@@ -0,0 +1,59 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 通知分页查询处理器。
+/// </summary>
+public sealed class SearchTenantNotificationsQueryHandler(
+    ITenantNotificationRepository notificationRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchTenantNotificationsQuery, PagedResult<TenantNotificationDto>>
+{
+    /// <summary>
+    /// 分页查询通知列表。
+    /// </summary>
+    /// <param name="request">查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<PagedResult<TenantNotificationDto>> Handle(SearchTenantNotificationsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权查询其他租户通知");
+        }
+
+        // 3. (空行后) 查询通知
+        var notifications = await notificationRepository.SearchAsync(
+            currentTenantId,
+            request.Severity,
+            request.UnreadOnly,
+            null,
+            null,
+            cancellationToken);
+
+        // 4. (空行后) 排序与分页
+        var ordered = notifications.OrderByDescending(x => x.SentAt).ToList();
+        var page = request.Page <= 0 ? 1 : request.Page;
+        var size = request.PageSize <= 0 ? 20 : request.PageSize;
+        var items = ordered.Skip((page - 1) * size).Take(size).Select(x => x.ToDto()).ToList();
+
+        // 5. (空行后) 返回分页结果
+        return new PagedResult<TenantNotificationDto>(items, page, size, ordered.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SelfRegisterTenantCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SelfRegisterTenantCommandHandler.cs
new file mode 100644
index 0000000..4d15ddf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SelfRegisterTenantCommandHandler.cs
@@ -0,0 +1,140 @@
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 自助注册租户处理器。
+/// </summary>
+public sealed class SelfRegisterTenantCommandHandler(
+    ITenantRepository tenantRepository,
+    IIdentityUserRepository identityUserRepository,
+    IRoleRepository roleRepository,
+    IPasswordHasher<IdentityUser> passwordHasher,
+    IIdGenerator idGenerator,
+    IMediator mediator,
+    ITenantContextAccessor tenantContextAccessor)
+    : IRequestHandler<SelfRegisterTenantCommand, SelfRegisterResultDto>
+{
+    /// <inheritdoc />
+    public async Task<SelfRegisterResultDto> Handle(SelfRegisterTenantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 唯一性校验
+        var normalizedAccount = request.AdminAccount.Trim();
+        if (await identityUserRepository.ExistsByAccountAsync(normalizedAccount, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"账号 {normalizedAccount} 已存在");
+        }
+
+        // 1.2 校验手机号唯一性
+        var normalizedPhone = request.AdminPhone.Trim();
+        if (await tenantRepository.ExistsByContactPhoneAsync(normalizedPhone, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"手机号 {normalizedPhone} 已注册");
+        }
+
+        // 2. 生成租户标识与编码
+        var tenantId = idGenerator.NextId();
+        var tenantCode = $"t{tenantId}";
+
+        // 3. 构建租户（无订阅，待审核）
+        var tenant = new Tenant
+        {
+            Id = tenantId,
+            Code = tenantCode,
+            Name = normalizedAccount,
+            ShortName = string.IsNullOrWhiteSpace(request.AdminDisplayName) ? normalizedAccount : request.AdminDisplayName!.Trim(),
+            ContactName = string.IsNullOrWhiteSpace(request.AdminDisplayName) ? normalizedAccount : request.AdminDisplayName!.Trim(),
+            ContactPhone = normalizedPhone,
+            ContactEmail = request.AdminEmail,
+            Status = TenantStatus.PendingReview,
+            EffectiveFrom = null,
+            EffectiveTo = null
+        };
+
+        // 4. 写入审计日志
+        var auditLog = new TenantAuditLog
+        {
+            TenantId = tenant.Id,
+            Action = TenantAuditAction.RegistrationSubmitted,
+            Title = "自助注册",
+            Description = "自助注册提交，等待补充资料与审核"
+        };
+
+        // 5. 持久化租户与审计
+        await tenantRepository.AddTenantAsync(tenant, cancellationToken);
+        await tenantRepository.AddAuditLogAsync(auditLog, cancellationToken);
+        await tenantRepository.SaveChangesAsync(cancellationToken);
+
+        // 6. 临时切换租户上下文，保证身份与权限写入正确
+        var previousContext = tenantContextAccessor.Current;
+        tenantContextAccessor.Current = new TenantContext(tenant.Id, tenant.Code, "self-register");
+        try
+        {
+            // 7. 使用用户自设密码创建管理员
+            var adminUser = new IdentityUser
+            {
+                TenantId = tenant.Id,
+                Account = normalizedAccount,
+                DisplayName = string.IsNullOrWhiteSpace(request.AdminDisplayName) ? normalizedAccount : request.AdminDisplayName!.Trim(),
+                PasswordHash = string.Empty,
+                Phone = normalizedPhone,
+                Email = string.IsNullOrWhiteSpace(request.AdminEmail) ? null : request.AdminEmail.Trim()
+            };
+            adminUser.PasswordHash = passwordHasher.HashPassword(adminUser, request.AdminPassword);
+            await identityUserRepository.AddAsync(adminUser, cancellationToken);
+            await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+            // 7.1 回填主管理员标识，确保后续伪装登录/重置管理员等能力可用
+            tenant.PrimaryOwnerUserId = adminUser.Id;
+            await tenantRepository.UpdateTenantAsync(tenant, cancellationToken);
+            await tenantRepository.SaveChangesAsync(cancellationToken);
+
+            // 8. 初始化租户管理员角色模板
+            await mediator.Send(new InitializeRoleTemplatesCommand
+            {
+                TemplateCodes = new[] { "tenant-admin" }
+            }, cancellationToken);
+
+            // 9. 绑定租户管理员角色
+            var tenantAdminRole = await roleRepository.FindByCodeAsync("tenant-admin", tenant.Id, cancellationToken);
+            if (tenantAdminRole != null)
+            {
+                await mediator.Send(new AssignUserRolesCommand
+                {
+                    UserId = adminUser.Id,
+                    RoleIds = new[] { tenantAdminRole.Id }
+                }, cancellationToken);
+            }
+
+            // 10. 返回注册结果
+            return new SelfRegisterResultDto
+            {
+                TenantId = tenant.Id,
+                Code = tenant.Code,
+                Status = tenant.Status,
+                VerificationStatus = TenantVerificationStatus.Draft,
+                EffectiveFrom = tenant.EffectiveFrom,
+                EffectiveTo = tenant.EffectiveTo,
+                AdminAccount = adminUser.Account
+            };
+        }
+        finally
+        {
+            // 11. 恢复上下文
+            tenantContextAccessor.Current = previousContext;
+        }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SubmitTenantVerificationCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SubmitTenantVerificationCommandHandler.cs
new file mode 100644
index 0000000..93802db
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SubmitTenantVerificationCommandHandler.cs
@@ -0,0 +1,80 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 实名资料提交流程。
+/// </summary>
+public sealed class SubmitTenantVerificationCommandHandler(
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider,
+    IIdGenerator idGenerator)
+    : IRequestHandler<SubmitTenantVerificationCommand, TenantVerificationDto>
+{
+    /// <inheritdoc />
+    public async Task<TenantVerificationDto> Handle(SubmitTenantVerificationCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权提交其他租户实名认证资料");
+        }
+
+        // 3. (空行后) 获取租户
+        var tenant = await tenantRepository.FindByIdAsync(currentTenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+
+        // 4. (空行后) 读取或初始化实名资料
+        var profile = await tenantRepository.GetVerificationProfileAsync(currentTenantId, cancellationToken)
+                       ?? new TenantVerificationProfile { Id = idGenerator.NextId(), TenantId = tenant.Id };
+
+        // 5. (空行后) 填充资料
+        profile.BusinessLicenseNumber = request.BusinessLicenseNumber;
+        profile.BusinessLicenseUrl = request.BusinessLicenseUrl;
+        profile.LegalPersonName = request.LegalPersonName;
+        profile.LegalPersonIdNumber = request.LegalPersonIdNumber;
+        profile.LegalPersonIdFrontUrl = request.LegalPersonIdFrontUrl;
+        profile.LegalPersonIdBackUrl = request.LegalPersonIdBackUrl;
+        profile.BankAccountName = request.BankAccountName;
+        profile.BankAccountNumber = request.BankAccountNumber;
+        profile.BankName = request.BankName;
+        profile.AdditionalDataJson = request.AdditionalDataJson;
+        profile.Status = TenantVerificationStatus.Pending;
+        profile.SubmittedAt = DateTime.UtcNow;
+        profile.ReviewedAt = null;
+        profile.ReviewRemarks = null;
+        profile.ReviewedBy = null;
+        profile.ReviewedByName = null;
+
+        // 6. (空行后) 保存资料并记录审计
+        await tenantRepository.UpsertVerificationProfileAsync(profile, cancellationToken);
+        await tenantRepository.AddAuditLogAsync(new TenantAuditLog
+        {
+            TenantId = tenant.Id,
+            Action = TenantAuditAction.VerificationSubmitted,
+            Title = "提交实名认证资料",
+            Description = request.BusinessLicenseNumber
+        }, cancellationToken);
+        await tenantRepository.SaveChangesAsync(cancellationToken);
+
+        // 7. (空行后) 返回 DTO
+        return profile.ToVerificationDto()
+               ?? throw new BusinessException(ErrorCodes.InternalServerError, "实名资料保存失败");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantAnnouncementCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantAnnouncementCommandHandler.cs
new file mode 100644
index 0000000..4df53f2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantAnnouncementCommandHandler.cs
@@ -0,0 +1,90 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 更新公告处理器。
+/// </summary>
+public sealed class UpdateTenantAnnouncementCommandHandler(
+    ITenantAnnouncementRepository announcementRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<UpdateTenantAnnouncementCommand, TenantAnnouncementDto?>
+{
+    public async Task<TenantAnnouncementDto?> Handle(UpdateTenantAnnouncementCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权编辑其他租户公告");
+        }
+
+        // 3. (空行后) 校验输入
+        if (string.IsNullOrWhiteSpace(request.Title) || string.IsNullOrWhiteSpace(request.Content))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "公告标题和内容不能为空");
+        }
+
+        if (request.RowVersion == null || request.RowVersion.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "RowVersion 不能为空");
+        }
+        // 3.1 (空行后) 校验目标受众类型：租户端禁止跨租户目标类型
+        if (!TenantAnnouncementTargetTypePolicy.IsAllowed(request.TargetType))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "租户端不支持该目标受众类型");
+        }
+
+        // 4. (空行后) 查询公告
+        var announcement = await announcementRepository.FindByIdAsync(currentTenantId, request.AnnouncementId, cancellationToken);
+        if (announcement == null)
+        {
+            return null;
+        }
+
+        if (announcement.Status != AnnouncementStatus.Draft)
+        {
+            if (announcement.Status == AnnouncementStatus.Published)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, "已发布公告不可编辑，要编辑已发布公告，请先撤销");
+            }
+
+            throw new BusinessException(ErrorCodes.Conflict, "仅草稿公告允许编辑");
+        }
+
+        // 5. (空行后) 更新字段
+        announcement.Title = request.Title.Trim();
+        announcement.Content = request.Content;
+        announcement.TargetType = TenantAnnouncementTargetTypePolicy.Normalize(request.TargetType);
+        announcement.TargetParameters = request.TargetParameters;
+        announcement.RowVersion = request.RowVersion;
+
+        // 6. (空行后) 持久化
+        try
+        {
+            await announcementRepository.UpdateAsync(announcement, cancellationToken);
+            await announcementRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (exception.GetType().Name == "DbUpdateConcurrencyException")
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "公告已被修改，请刷新后重试");
+        }
+
+        // 7. (空行后) 返回 DTO
+        return announcement.ToDto(false, null);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantCommandHandler.cs
new file mode 100644
index 0000000..b4ac9ff
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantCommandHandler.cs
@@ -0,0 +1,81 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 更新租户基础信息处理器。
+/// </summary>
+public sealed class UpdateTenantCommandHandler(
+    ITenantRepository tenantRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateTenantCommandHandler> logger)
+    : IRequestHandler<UpdateTenantCommand, Unit>
+{
+    /// <inheritdoc />
+    public async Task<Unit> Handle(UpdateTenantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验租户上下文（租户端禁止跨租户）
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 兼容旧调用：若传入 TenantId，则必须与当前租户一致
+        if (request.TenantId > 0 && request.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权操作其他租户信息");
+        }
+
+        // 3. (空行后) 参数校验：租户名称
+        if (string.IsNullOrWhiteSpace(request.Name))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户名称不能为空");
+        }
+
+        // 4. (空行后) 查询租户
+        var tenant = await tenantRepository.FindByIdAsync(currentTenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+
+        // 5. (空行后) 校验租户名称唯一性（排除自身）
+        var normalizedName = request.Name.Trim();
+        if (await tenantRepository.ExistsByNameAsync(normalizedName, excludeTenantId: currentTenantId, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"租户名称 {normalizedName} 已存在");
+        }
+
+        // 6. (空行后) 校验联系人手机号唯一性（仅当填写时）
+        if (!string.IsNullOrWhiteSpace(request.ContactPhone))
+        {
+            var normalizedPhone = request.ContactPhone.Trim();
+            var existingTenantId = await tenantRepository.FindTenantIdByContactPhoneAsync(normalizedPhone, cancellationToken);
+            if (existingTenantId.HasValue && existingTenantId.Value != currentTenantId)
+            {
+                throw new BusinessException(ErrorCodes.Conflict, $"手机号 {normalizedPhone} 已注册");
+            }
+        }
+
+        // 7. (空行后) 更新基础信息（禁止修改 Code）
+        tenant.Name = normalizedName;
+        tenant.ShortName = string.IsNullOrWhiteSpace(request.ShortName) ? null : request.ShortName.Trim();
+        tenant.Industry = string.IsNullOrWhiteSpace(request.Industry) ? null : request.Industry.Trim();
+        tenant.ContactName = string.IsNullOrWhiteSpace(request.ContactName) ? null : request.ContactName.Trim();
+        tenant.ContactPhone = string.IsNullOrWhiteSpace(request.ContactPhone) ? null : request.ContactPhone.Trim();
+        tenant.ContactEmail = string.IsNullOrWhiteSpace(request.ContactEmail) ? null : request.ContactEmail.Trim();
+
+        // 8. (空行后) 持久化更新
+        await tenantRepository.UpdateTenantAsync(tenant, cancellationToken);
+        await tenantRepository.SaveChangesAsync(cancellationToken);
+
+        // 9. (空行后) 记录日志
+        logger.LogInformation("已更新租户基础信息 {TenantId}", tenant.Id);
+
+        return Unit.Value;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetAnnouncementByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetAnnouncementByIdQuery.cs
new file mode 100644
index 0000000..e889dff
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetAnnouncementByIdQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 公告详情查询。
+/// </summary>
+public sealed record GetAnnouncementByIdQuery : IRequest<TenantAnnouncementDto?>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法，兼容旧调用，实际以当前租户为准）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    public long AnnouncementId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetPublicTenantPackagesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetPublicTenantPackagesQuery.cs
new file mode 100644
index 0000000..3c56e95
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetPublicTenantPackagesQuery.cs
@@ -0,0 +1,21 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 公共场景分页查询启用套餐。
+/// </summary>
+public sealed record GetPublicTenantPackagesQuery : IRequest<PagedResult<TenantPackageDto>>
+{
+    /// <summary>
+    /// 页码。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantBillQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantBillQuery.cs
new file mode 100644
index 0000000..a5ece15
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantBillQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 获取账单详情查询。
+/// </summary>
+public sealed record GetTenantBillQuery : IRequest<TenantBillingDto?>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 账单 ID。
+    /// </summary>
+    public long BillingId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantPackageByIdQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantPackageByIdQuery.cs
new file mode 100644
index 0000000..252b5fe
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantPackageByIdQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 获取套餐详情查询。
+/// </summary>
+public sealed record GetTenantPackageByIdQuery : IRequest<TenantPackageDto?>
+{
+    /// <summary>
+    /// 套餐 ID。
+    /// </summary>
+    public long TenantPackageId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantProgressQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantProgressQuery.cs
new file mode 100644
index 0000000..214e600
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantProgressQuery.cs
@@ -0,0 +1,17 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 租户入住进度查询。
+/// </summary>
+public sealed record GetTenantProgressQuery : IRequest<TenantProgressDto>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    [Required]
+    public long TenantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantQuotaUsageHistoryQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantQuotaUsageHistoryQuery.cs
new file mode 100644
index 0000000..e49907d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantQuotaUsageHistoryQuery.cs
@@ -0,0 +1,43 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 分页查询租户配额使用历史。
+/// </summary>
+public sealed record GetTenantQuotaUsageHistoryQuery : IRequest<PagedResult<QuotaUsageHistoryDto>>
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页大小。
+    /// </summary>
+    public int PageSize { get; init; } = 10;
+
+    /// <summary>
+    /// 开始时间（UTC/带时区均可），为空不限制。
+    /// </summary>
+    public DateTime? StartDate { get; init; }
+
+    /// <summary>
+    /// 结束时间（UTC/带时区均可），为空不限制。
+    /// </summary>
+    public DateTime? EndDate { get; init; }
+
+    /// <summary>
+    /// 配额类型过滤，为空不过滤。
+    /// </summary>
+    public TenantQuotaType? QuotaType { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantsAnnouncementsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantsAnnouncementsQuery.cs
new file mode 100644
index 0000000..87f5be5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetTenantsAnnouncementsQuery.cs
@@ -0,0 +1,62 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 分页查询租户公告。
+/// </summary>
+public sealed record GetTenantsAnnouncementsQuery : IRequest<PagedResult<TenantAnnouncementDto>>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 公告类型筛选。
+    /// </summary>
+    public TenantAnnouncementType? AnnouncementType { get; init; }
+
+    /// <summary>
+    /// 公告状态筛选。
+    /// </summary>
+    public AnnouncementStatus? Status { get; init; }
+
+    /// <summary>
+    /// 关键词搜索（标题/内容）。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 是否筛选启用状态。
+    /// </summary>
+    public bool? IsActive { get; init; }
+
+    /// <summary>
+    /// 生效开始时间筛选（UTC）。
+    /// </summary>
+    public DateTime? EffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 生效结束时间筛选（UTC）。
+    /// </summary>
+    public DateTime? EffectiveTo { get; init; }
+
+    /// <summary>
+    /// 仅返回当前有效期内的公告。
+    /// </summary>
+    public bool? OnlyEffective { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetUnreadAnnouncementsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetUnreadAnnouncementsQuery.cs
new file mode 100644
index 0000000..d0972a7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/GetUnreadAnnouncementsQuery.cs
@@ -0,0 +1,21 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 查询未读公告。
+/// </summary>
+public sealed record GetUnreadAnnouncementsQuery : IRequest<PagedResult<TenantAnnouncementDto>>
+{
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/SearchTenantBillsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/SearchTenantBillsQuery.cs
new file mode 100644
index 0000000..67d0103
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/SearchTenantBillsQuery.cs
@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 分页查询租户账单。
+/// </summary>
+public sealed record SearchTenantBillsQuery : IRequest<PagedResult<TenantBillingDto>>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 账单状态筛选。
+    /// </summary>
+    public TenantBillingStatus? Status { get; init; }
+
+    /// <summary>
+    /// 账单起始时间（UTC）筛选。
+    /// </summary>
+    public DateTime? From { get; init; }
+
+    /// <summary>
+    /// 账单结束时间（UTC）筛选。
+    /// </summary>
+    public DateTime? To { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/SearchTenantNotificationsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/SearchTenantNotificationsQuery.cs
new file mode 100644
index 0000000..ff5e8eb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Queries/SearchTenantNotificationsQuery.cs
@@ -0,0 +1,37 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.App.Tenants.Queries;
+
+/// <summary>
+/// 分页查询租户通知。
+/// </summary>
+public sealed record SearchTenantNotificationsQuery : IRequest<PagedResult<TenantNotificationDto>>
+{
+    /// <summary>
+    /// 租户 ID（雪花算法）。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 通知等级筛选。
+    /// </summary>
+    public TenantNotificationSeverity? Severity { get; init; }
+
+    /// <summary>
+    /// 仅返回未读通知。
+    /// </summary>
+    public bool? UnreadOnly { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/AnnouncementTargetContextFactory.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/AnnouncementTargetContextFactory.cs
new file mode 100644
index 0000000..a8e61fd
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/AnnouncementTargetContextFactory.cs
@@ -0,0 +1,58 @@
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Tenants.Targeting;
+
+/// <summary>
+/// 目标受众上下文构建器。
+/// </summary>
+internal static class AnnouncementTargetContextFactory
+{
+    /// <summary>
+    /// 构建当前用户的目标上下文。
+    /// </summary>
+    public static async Task<AnnouncementTargetContext> BuildAsync(
+        ITenantProvider tenantProvider,
+        ICurrentUserAccessor? currentUserAccessor,
+        IAdminAuthService? adminAuthService,
+        IMiniAuthService? miniAuthService,
+        CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var userId = currentUserAccessor?.UserId ?? 0;
+        long? merchantId = null;
+        IReadOnlyCollection<string> roles = Array.Empty<string>();
+        IReadOnlyCollection<string> permissions = Array.Empty<string>();
+
+        if (userId != 0)
+        {
+            CurrentUserProfile? profile = null;
+            if (adminAuthService != null)
+            {
+                profile = await adminAuthService.GetProfileAsync(userId, cancellationToken);
+            }
+            else if (miniAuthService != null)
+            {
+                profile = await miniAuthService.GetProfileAsync(userId, cancellationToken);
+            }
+
+            if (profile != null)
+            {
+                merchantId = profile.MerchantId;
+                roles = profile.Roles ?? Array.Empty<string>();
+                permissions = profile.Permissions ?? Array.Empty<string>();
+            }
+        }
+
+        return new AnnouncementTargetContext
+        {
+            TenantId = tenantId,
+            UserId = userId,
+            MerchantId = merchantId,
+            Roles = roles,
+            Permissions = permissions
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/TargetTypeFilter.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/TargetTypeFilter.cs
new file mode 100644
index 0000000..6b8f43a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/TargetTypeFilter.cs
@@ -0,0 +1,218 @@
+using System.Text.Json;
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Application.App.Tenants.Targeting;
+
+/// <summary>
+/// 目标受众过滤器。
+/// </summary>
+public static class TargetTypeFilter
+{
+    private static readonly JsonSerializerOptions Options = new()
+    {
+        PropertyNameCaseInsensitive = true
+    };
+
+    /// <summary>
+    /// 判断公告是否匹配当前用户上下文。
+    /// </summary>
+    /// <param name="announcement">公告实体。</param>
+    /// <param name="context">目标上下文。</param>
+    /// <returns>是否匹配。</returns>
+    public static bool IsMatch(TenantAnnouncement announcement, AnnouncementTargetContext context)
+    {
+        if (announcement == null)
+        {
+            return false;
+        }
+
+        // 1. 租户端严格限制：公告必须属于当前租户
+        if (announcement.TenantId != context.TenantId)
+        {
+            return false;
+        }
+
+        var targetType = announcement.TargetType?.Trim();
+        if (string.IsNullOrWhiteSpace(targetType))
+        {
+            return true;
+        }
+
+        var normalized = targetType.ToUpperInvariant();
+        var parsed = TryParseParameters(announcement.TargetParameters, out var payload);
+
+        return normalized switch
+        {
+            "ALL" or "ALL_TENANTS" or "TENANT_ALL" => ApplyPayloadConstraints(payload, parsed, context, allowEmpty: true),
+            "SPECIFIC_TENANTS" => RequireTenantMatch(payload, parsed, context)
+                && ApplyPayloadConstraints(payload, parsed, context, allowEmpty: false),
+            "USERS" or "SPECIFIC_USERS" or "USER_IDS" => RequireUserMatch(payload, parsed, context)
+                && ApplyPayloadConstraints(payload, parsed, context, allowEmpty: false),
+            "ROLES" or "ROLE" => RequireRoleMatch(payload, parsed, context)
+                && ApplyPayloadConstraints(payload, parsed, context, allowEmpty: false),
+            "PERMISSIONS" or "PERMISSION" => RequirePermissionMatch(payload, parsed, context)
+                && ApplyPayloadConstraints(payload, parsed, context, allowEmpty: false),
+            "MERCHANTS" or "MERCHANT_IDS" => RequireMerchantMatch(payload, parsed, context)
+                && ApplyPayloadConstraints(payload, parsed, context, allowEmpty: false),
+            _ => ApplyPayloadConstraints(payload, parsed, context, allowEmpty: false)
+        };
+    }
+
+    private static bool RequireTenantMatch(TargetParametersPayload payload, bool parsed, AnnouncementTargetContext context)
+        => parsed && payload.TenantIds is { Length: > 0 } && payload.TenantIds.Contains(context.TenantId);
+
+    private static bool RequireUserMatch(TargetParametersPayload payload, bool parsed, AnnouncementTargetContext context)
+        => parsed && payload.UserIds is { Length: > 0 } && context.UserId != 0 && payload.UserIds.Contains(context.UserId);
+
+    private static bool RequireMerchantMatch(TargetParametersPayload payload, bool parsed, AnnouncementTargetContext context)
+        => parsed && payload.MerchantIds is { Length: > 0 } && context.MerchantId.HasValue && payload.MerchantIds.Contains(context.MerchantId.Value);
+
+    private static bool RequireRoleMatch(TargetParametersPayload payload, bool parsed, AnnouncementTargetContext context)
+        => parsed && payload.Roles is { Length: > 0 } && Intersects(payload.Roles, context.Roles);
+
+    private static bool RequirePermissionMatch(TargetParametersPayload payload, bool parsed, AnnouncementTargetContext context)
+        => parsed && payload.Permissions is { Length: > 0 } && Intersects(payload.Permissions, context.Permissions);
+
+    private static bool ApplyPayloadConstraints(
+        TargetParametersPayload payload,
+        bool parsed,
+        AnnouncementTargetContext context,
+        bool allowEmpty)
+    {
+        if (!parsed)
+        {
+            return false;
+        }
+
+        if (!payload.HasConstraints)
+        {
+            return allowEmpty;
+        }
+
+        if (payload.TenantIds is { Length: > 0 } && !payload.TenantIds.Contains(context.TenantId))
+        {
+            return false;
+        }
+
+        if (payload.UserIds is { Length: > 0 })
+        {
+            if (context.UserId == 0 || !payload.UserIds.Contains(context.UserId))
+            {
+                return false;
+            }
+        }
+
+        if (payload.MerchantIds is { Length: > 0 })
+        {
+            if (!context.MerchantId.HasValue || !payload.MerchantIds.Contains(context.MerchantId.Value))
+            {
+                return false;
+            }
+        }
+
+        if (payload.Roles is { Length: > 0 } && !Intersects(payload.Roles, context.Roles))
+        {
+            return false;
+        }
+
+        if (payload.Permissions is { Length: > 0 } && !Intersects(payload.Permissions, context.Permissions))
+        {
+            return false;
+        }
+
+        if (payload.Departments is { Length: > 0 } && !Intersects(payload.Departments, context.Departments))
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    private static bool TryParseParameters(string? json, out TargetParametersPayload payload)
+    {
+        payload = new TargetParametersPayload();
+
+        if (string.IsNullOrWhiteSpace(json))
+        {
+            return true;
+        }
+
+        try
+        {
+            payload = JsonSerializer.Deserialize<TargetParametersPayload>(json, Options) ?? new TargetParametersPayload();
+            return true;
+        }
+        catch (JsonException)
+        {
+            return false;
+        }
+    }
+
+    private static bool Intersects(IEnumerable<string> left, IEnumerable<string> right)
+    {
+        var set = new HashSet<string>(right ?? Array.Empty<string>(), StringComparer.OrdinalIgnoreCase);
+        foreach (var value in left ?? Array.Empty<string>())
+        {
+            if (set.Contains(value))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private sealed class TargetParametersPayload
+    {
+        public long[]? TenantIds { get; init; }
+        public long[]? UserIds { get; init; }
+        public long[]? MerchantIds { get; init; }
+        public string[]? Roles { get; init; }
+        public string[]? Permissions { get; init; }
+        public string[]? Departments { get; init; }
+
+        public bool HasConstraints
+            => (TenantIds?.Length ?? 0) > 0
+               || (UserIds?.Length ?? 0) > 0
+               || (MerchantIds?.Length ?? 0) > 0
+               || (Roles?.Length ?? 0) > 0
+               || (Permissions?.Length ?? 0) > 0
+               || (Departments?.Length ?? 0) > 0;
+    }
+}
+
+/// <summary>
+/// 目标受众上下文。
+/// </summary>
+public sealed record AnnouncementTargetContext
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 商户 ID（可选）。
+    /// </summary>
+    public long? MerchantId { get; init; }
+
+    /// <summary>
+    /// 角色集合。
+    /// </summary>
+    public IReadOnlyCollection<string> Roles { get; init; } = Array.Empty<string>();
+
+    /// <summary>
+    /// 权限集合。
+    /// </summary>
+    public IReadOnlyCollection<string> Permissions { get; init; } = Array.Empty<string>();
+
+    /// <summary>
+    /// 部门集合（可选）。
+    /// </summary>
+    public IReadOnlyCollection<string> Departments { get; init; } = Array.Empty<string>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/TenantAnnouncementTargetTypePolicy.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/TenantAnnouncementTargetTypePolicy.cs
new file mode 100644
index 0000000..386328e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Targeting/TenantAnnouncementTargetTypePolicy.cs
@@ -0,0 +1,49 @@
+using System.Collections.Frozen;
+
+namespace TakeoutSaaS.Application.App.Tenants.Targeting;
+
+/// <summary>
+/// 租户公告目标受众类型策略（租户端）。
+/// </summary>
+public static class TenantAnnouncementTargetTypePolicy
+{
+    private static readonly FrozenSet<string> AllowedTargetTypes = FrozenSet.ToFrozenSet(
+        new[]
+        {
+            "ALL",
+            "TENANT_ALL",
+            "USERS",
+            "SPECIFIC_USERS",
+            "USER_IDS",
+            "ROLES",
+            "ROLE",
+            "PERMISSIONS",
+            "PERMISSION",
+            "MERCHANTS",
+            "MERCHANT_IDS"
+        },
+        StringComparer.Ordinal);
+
+    /// <summary>
+    /// 判断目标受众类型在租户端是否允许。
+    /// </summary>
+    /// <param name="targetType">目标受众类型。</param>
+    /// <returns>允许返回 true，否则 false。</returns>
+    public static bool IsAllowed(string? targetType)
+    {
+        if (string.IsNullOrWhiteSpace(targetType))
+        {
+            return false;
+        }
+
+        var normalized = Normalize(targetType);
+        return AllowedTargetTypes.Contains(normalized);
+    }
+
+    /// <summary>
+    /// 规范化目标受众类型（Trim + UpperInvariant）。
+    /// </summary>
+    /// <param name="targetType">目标受众类型。</param>
+    /// <returns>规范化后的类型。</returns>
+    public static string Normalize(string targetType) => targetType.Trim().ToUpperInvariant();
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/TenantMapping.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/TenantMapping.cs
new file mode 100644
index 0000000..32d0d5f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/TenantMapping.cs
@@ -0,0 +1,141 @@
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants;
+
+/// <summary>
+/// 租户 DTO 映射助手。
+/// </summary>
+internal static class TenantMapping
+{
+    /// <summary>
+    /// 将租户认证实体映射为 DTO。
+    /// </summary>
+    /// <param name="profile">认证实体。</param>
+    /// <returns>认证 DTO 或 null。</returns>
+    public static TenantVerificationDto? ToVerificationDto(this TenantVerificationProfile? profile)
+        => profile == null
+            ? null
+            : new TenantVerificationDto
+            {
+                Id = profile.Id,
+                TenantId = profile.TenantId,
+                Status = profile.Status,
+                BusinessLicenseNumber = profile.BusinessLicenseNumber,
+                BusinessLicenseUrl = profile.BusinessLicenseUrl,
+                LegalPersonName = profile.LegalPersonName,
+                LegalPersonIdNumber = profile.LegalPersonIdNumber,
+                LegalPersonIdFrontUrl = profile.LegalPersonIdFrontUrl,
+                LegalPersonIdBackUrl = profile.LegalPersonIdBackUrl,
+                BankAccountName = profile.BankAccountName,
+                BankAccountNumber = profile.BankAccountNumber,
+                BankName = profile.BankName,
+                AdditionalDataJson = profile.AdditionalDataJson,
+                SubmittedAt = profile.SubmittedAt,
+                ReviewRemarks = profile.ReviewRemarks,
+                ReviewedBy = profile.ReviewedBy,
+                ReviewedByName = profile.ReviewedByName,
+                ReviewedAt = profile.ReviewedAt
+            };
+
+    /// <summary>
+    /// 将套餐实体映射为 DTO。
+    /// </summary>
+    /// <param name="package">套餐实体。</param>
+    /// <returns>套餐 DTO。</returns>
+    public static TenantPackageDto ToDto(this TenantPackage package)
+        => new()
+        {
+            Id = package.Id,
+            Name = package.Name,
+            Description = package.Description,
+            PackageType = package.PackageType,
+            MonthlyPrice = package.MonthlyPrice,
+            YearlyPrice = package.YearlyPrice,
+            MaxStoreCount = package.MaxStoreCount,
+            MaxAccountCount = package.MaxAccountCount,
+            MaxStorageGb = package.MaxStorageGb,
+            MaxSmsCredits = package.MaxSmsCredits,
+            MaxDeliveryOrders = package.MaxDeliveryOrders,
+            FeaturePoliciesJson = package.FeaturePoliciesJson,
+            IsActive = package.IsActive,
+            IsPublicVisible = package.IsPublicVisible,
+            IsAllowNewTenantPurchase = package.IsAllowNewTenantPurchase,
+            PublishStatus = package.PublishStatus,
+            IsRecommended = package.IsRecommended,
+            Tags = package.Tags ?? [],
+            SortOrder = package.SortOrder
+        };
+
+    /// <summary>
+    /// 将账单实体映射为 DTO。
+    /// </summary>
+    /// <param name="bill">账单实体。</param>
+    /// <returns>账单 DTO。</returns>
+    public static TenantBillingDto ToDto(this TenantBillingStatement bill)
+        => new()
+        {
+            Id = bill.Id,
+            TenantId = bill.TenantId,
+            StatementNo = bill.StatementNo,
+            PeriodStart = bill.PeriodStart,
+            PeriodEnd = bill.PeriodEnd,
+            AmountDue = bill.AmountDue,
+            AmountPaid = bill.AmountPaid,
+            Status = bill.Status,
+            DueDate = bill.DueDate,
+            LineItemsJson = bill.LineItemsJson
+        };
+
+    /// <summary>
+    /// 将公告实体映射为 DTO。
+    /// </summary>
+    /// <param name="announcement">公告实体。</param>
+    /// <param name="isRead">是否已读。</param>
+    /// <param name="readAt">阅读时间。</param>
+    /// <returns>公告 DTO。</returns>
+    public static TenantAnnouncementDto ToDto(this TenantAnnouncement announcement, bool isRead, DateTime? readAt)
+        => new()
+        {
+            Id = announcement.Id,
+            TenantId = announcement.TenantId,
+            Title = announcement.Title,
+            Content = announcement.Content,
+            AnnouncementType = announcement.AnnouncementType,
+            Priority = announcement.Priority,
+            EffectiveFrom = announcement.EffectiveFrom,
+            EffectiveTo = announcement.EffectiveTo,
+            PublisherScope = announcement.PublisherScope,
+            PublisherUserId = announcement.PublisherUserId,
+            Status = announcement.Status,
+            PublishedAt = announcement.PublishedAt,
+            RevokedAt = announcement.RevokedAt,
+            ScheduledPublishAt = announcement.ScheduledPublishAt,
+            TargetType = announcement.TargetType,
+            TargetParameters = announcement.TargetParameters,
+            RowVersion = announcement.RowVersion,
+            IsActive = announcement.Status == AnnouncementStatus.Published,
+            IsRead = isRead,
+            ReadAt = readAt
+        };
+
+    /// <summary>
+    /// 将通知实体映射为 DTO。
+    /// </summary>
+    /// <param name="notification">通知实体。</param>
+    /// <returns>通知 DTO。</returns>
+    public static TenantNotificationDto ToDto(this TenantNotification notification)
+        => new()
+        {
+            Id = notification.Id,
+            TenantId = notification.TenantId,
+            Title = notification.Title,
+            Message = notification.Message,
+            Channel = notification.Channel,
+            Severity = notification.Severity,
+            SentAt = notification.SentAt,
+            ReadAt = notification.ReadAt,
+            MetadataJson = notification.MetadataJson
+        };
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/CreateAnnouncementCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/CreateAnnouncementCommandValidator.cs
new file mode 100644
index 0000000..a1d1173
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/CreateAnnouncementCommandValidator.cs
@@ -0,0 +1,45 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Validators;
+
+/// <summary>
+/// 创建公告命令验证器。
+/// </summary>
+public sealed class CreateAnnouncementCommandValidator : AbstractValidator<CreateTenantAnnouncementCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateAnnouncementCommandValidator()
+    {
+        RuleFor(x => x.Title)
+            .NotEmpty()
+            .MaximumLength(128);
+
+        RuleFor(x => x.Content)
+            .NotEmpty();
+
+        RuleFor(x => x.TargetType)
+            .NotEmpty();
+        // 1. (空行后) 限制租户端目标类型，禁止跨租户目标
+        RuleFor(x => x.TargetType)
+            .Must(TenantAnnouncementTargetTypePolicy.IsAllowed)
+            .WithMessage("租户端不支持该目标受众类型");
+
+        RuleFor(x => x.TenantId)
+            .GreaterThan(0)
+            .WithMessage("TenantId 必须大于 0");
+
+        RuleFor(x => x.PublisherScope)
+            .Equal(PublisherScope.Tenant)
+            .WithMessage("租户端仅允许创建租户公告");
+
+        RuleFor(x => x.EffectiveFrom)
+            .LessThan(x => x.EffectiveTo!.Value)
+            .When(x => x.EffectiveTo.HasValue)
+            .WithMessage("生效开始时间必须早于结束时间");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/GetTenantQuotaUsageHistoryQueryValidator.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/GetTenantQuotaUsageHistoryQueryValidator.cs
new file mode 100644
index 0000000..49ea98c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/GetTenantQuotaUsageHistoryQueryValidator.cs
@@ -0,0 +1,27 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+
+namespace TakeoutSaaS.Application.App.Tenants.Validators;
+
+/// <summary>
+/// 租户配额使用历史查询验证器。
+/// </summary>
+public sealed class GetTenantQuotaUsageHistoryQueryValidator : AbstractValidator<GetTenantQuotaUsageHistoryQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public GetTenantQuotaUsageHistoryQueryValidator()
+    {
+        RuleFor(x => x.TenantId).GreaterThan(0);
+        RuleFor(x => x.Page).GreaterThanOrEqualTo(1);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 100);
+
+        // 时间范围校验
+        When(x => x.StartDate.HasValue && x.EndDate.HasValue, () =>
+        {
+            RuleFor(x => x.EndDate!.Value).GreaterThanOrEqualTo(x => x.StartDate!.Value);
+        });
+    }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/PublishAnnouncementCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/PublishAnnouncementCommandValidator.cs
new file mode 100644
index 0000000..fa32af4
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/PublishAnnouncementCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+
+namespace TakeoutSaaS.Application.App.Tenants.Validators;
+
+/// <summary>
+/// 发布公告命令验证器。
+/// </summary>
+public sealed class PublishAnnouncementCommandValidator : AbstractValidator<PublishAnnouncementCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public PublishAnnouncementCommandValidator()
+    {
+        RuleFor(x => x.AnnouncementId)
+            .GreaterThan(0);
+
+        RuleFor(x => x.RowVersion)
+            .NotNull()
+            .Must(rowVersion => rowVersion != null && rowVersion.Length > 0)
+            .WithMessage("RowVersion 不能为空");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/RevokeAnnouncementCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/RevokeAnnouncementCommandValidator.cs
new file mode 100644
index 0000000..ab4580a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/RevokeAnnouncementCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+
+namespace TakeoutSaaS.Application.App.Tenants.Validators;
+
+/// <summary>
+/// 撤销公告命令验证器。
+/// </summary>
+public sealed class RevokeAnnouncementCommandValidator : AbstractValidator<RevokeAnnouncementCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public RevokeAnnouncementCommandValidator()
+    {
+        RuleFor(x => x.AnnouncementId)
+            .GreaterThan(0);
+
+        RuleFor(x => x.RowVersion)
+            .NotNull()
+            .Must(rowVersion => rowVersion != null && rowVersion.Length > 0)
+            .WithMessage("RowVersion 不能为空");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/SelfRegisterTenantCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/SelfRegisterTenantCommandValidator.cs
new file mode 100644
index 0000000..411d834
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/SelfRegisterTenantCommandValidator.cs
@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+
+namespace TakeoutSaaS.Application.App.Tenants.Validators;
+
+/// <summary>
+/// 自助注册租户命令验证器。
+/// </summary>
+public sealed class SelfRegisterTenantCommandValidator : AbstractValidator<SelfRegisterTenantCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SelfRegisterTenantCommandValidator()
+    {
+        RuleFor(x => x.AdminAccount)
+            .NotEmpty()
+            .MaximumLength(64)
+            .Matches("^[A-Za-z0-9]+$")
+            .WithMessage("登录账号仅允许大小写字母和数字");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/UpdateAnnouncementCommandValidator.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/UpdateAnnouncementCommandValidator.cs
new file mode 100644
index 0000000..211a5aa
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Validators/UpdateAnnouncementCommandValidator.cs
@@ -0,0 +1,34 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Targeting;
+
+namespace TakeoutSaaS.Application.App.Tenants.Validators;
+
+/// <summary>
+/// 更新公告命令验证器。
+/// </summary>
+public sealed class UpdateAnnouncementCommandValidator : AbstractValidator<UpdateTenantAnnouncementCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateAnnouncementCommandValidator()
+    {
+        RuleFor(x => x.Title)
+            .NotEmpty()
+            .MaximumLength(128);
+
+        RuleFor(x => x.Content)
+            .NotEmpty();
+
+        RuleFor(x => x.TargetType)
+            .NotEmpty()
+            .Must(TenantAnnouncementTargetTypePolicy.IsAllowed)
+            .WithMessage("租户端不支持该目标受众类型");
+
+        RuleFor(x => x.RowVersion)
+            .NotNull()
+            .Must(rowVersion => rowVersion != null && rowVersion.Length > 0)
+            .WithMessage("RowVersion 不能为空");
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/ICsvDictionaryParser.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/ICsvDictionaryParser.cs
new file mode 100644
index 0000000..6b206b2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/ICsvDictionaryParser.cs
@@ -0,0 +1,17 @@
+using TakeoutSaaS.Application.Dictionary.Models;
+
+namespace TakeoutSaaS.Application.Dictionary.Abstractions;
+
+/// <summary>
+/// CSV 字典导入解析器。
+/// </summary>
+public interface ICsvDictionaryParser
+{
+    /// <summary>
+    /// 解析 CSV 数据。
+    /// </summary>
+    /// <param name="stream">输入流。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>解析后的记录列表。</returns>
+    Task<IReadOnlyList<DictionaryImportRow>> ParseAsync(Stream stream, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryAppService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryAppService.cs
new file mode 100644
index 0000000..60e5f61
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryAppService.cs
@@ -0,0 +1,26 @@
+using TakeoutSaaS.Application.Dictionary.Contracts;
+using TakeoutSaaS.Application.Dictionary.Models;
+
+namespace TakeoutSaaS.Application.Dictionary.Abstractions;
+
+/// <summary>
+/// 参数字典应用服务接口。
+/// </summary>
+public interface IDictionaryAppService
+{
+    Task<DictionaryGroupDto> CreateGroupAsync(CreateDictionaryGroupRequest request, CancellationToken cancellationToken = default);
+
+    Task<DictionaryGroupDto> UpdateGroupAsync(long groupId, UpdateDictionaryGroupRequest request, CancellationToken cancellationToken = default);
+
+    Task DeleteGroupAsync(long groupId, CancellationToken cancellationToken = default);
+
+    Task<IReadOnlyList<DictionaryGroupDto>> SearchGroupsAsync(DictionaryGroupQuery request, CancellationToken cancellationToken = default);
+
+    Task<DictionaryItemDto> CreateItemAsync(CreateDictionaryItemRequest request, CancellationToken cancellationToken = default);
+
+    Task<DictionaryItemDto> UpdateItemAsync(long itemId, UpdateDictionaryItemRequest request, CancellationToken cancellationToken = default);
+
+    Task DeleteItemAsync(long itemId, CancellationToken cancellationToken = default);
+
+    Task<IReadOnlyDictionary<string, IReadOnlyList<DictionaryItemDto>>> GetCachedItemsAsync(DictionaryBatchQueryRequest request, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs
new file mode 100644
index 0000000..f9ea54b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs
@@ -0,0 +1,24 @@
+using TakeoutSaaS.Application.Dictionary.Models;
+
+namespace TakeoutSaaS.Application.Dictionary.Abstractions;
+
+/// <summary>
+/// 字典缓存读写接口。
+/// </summary>
+public interface IDictionaryCache
+{
+    /// <summary>
+    /// 获取缓存。
+    /// </summary>
+    Task<IReadOnlyList<DictionaryItemDto>?> GetAsync(long tenantId, string code, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 写入缓存。
+    /// </summary>
+    Task SetAsync(long tenantId, string code, IReadOnlyList<DictionaryItemDto> items, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 移除缓存。
+    /// </summary>
+    Task RemoveAsync(long tenantId, string code, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryHybridCache.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryHybridCache.cs
new file mode 100644
index 0000000..8a4c736
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryHybridCache.cs
@@ -0,0 +1,26 @@
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Application.Dictionary.Abstractions;
+
+/// <summary>
+/// 字典两级缓存访问接口。
+/// </summary>
+public interface IDictionaryHybridCache
+{
+    /// <summary>
+    /// 读取缓存，不存在时通过工厂生成并回填。
+    /// </summary>
+    Task<T?> GetOrCreateAsync<T>(
+        string key,
+        TimeSpan ttl,
+        Func<CancellationToken, Task<T?>> factory,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按前缀失效缓存。
+    /// </summary>
+    Task InvalidateAsync(
+        string prefix,
+        CacheInvalidationOperation operation = CacheInvalidationOperation.Update,
+        CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IJsonDictionaryParser.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IJsonDictionaryParser.cs
new file mode 100644
index 0000000..990639f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IJsonDictionaryParser.cs
@@ -0,0 +1,17 @@
+using TakeoutSaaS.Application.Dictionary.Models;
+
+namespace TakeoutSaaS.Application.Dictionary.Abstractions;
+
+/// <summary>
+/// JSON 字典导入解析器。
+/// </summary>
+public interface IJsonDictionaryParser
+{
+    /// <summary>
+    /// 解析 JSON 数据。
+    /// </summary>
+    /// <param name="stream">输入流。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>解析后的记录列表。</returns>
+    Task<IReadOnlyList<DictionaryImportRow>> ParseAsync(Stream stream, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryGroupRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryGroupRequest.cs
new file mode 100644
index 0000000..17de073
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryGroupRequest.cs
@@ -0,0 +1,39 @@
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 创建字典分组请求。
+/// </summary>
+public sealed class CreateDictionaryGroupRequest
+{
+    /// <summary>
+    /// 分组编码。
+    /// </summary>
+    [Required, MaxLength(64)]
+    public string Code { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 分组名称。
+    /// </summary>
+    [Required, MaxLength(128)]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 作用域：系统/业务。
+    /// </summary>
+    [Required]
+    public DictionaryScope Scope { get; set; } = DictionaryScope.Business;
+
+    /// <summary>
+    /// 是否允许租户覆盖。
+    /// </summary>
+    public bool AllowOverride { get; set; }
+
+    /// <summary>
+    /// 描述信息。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Description { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs
new file mode 100644
index 0000000..bcd5c4e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs
@@ -0,0 +1,51 @@
+using System.ComponentModel.DataAnnotations;
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 创建字典项请求。
+/// </summary>
+public sealed class CreateDictionaryItemRequest
+{
+    /// <summary>
+    /// 所属分组 ID。
+    /// </summary>
+    [Required]
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long GroupId { get; set; }
+
+    /// <summary>
+    /// 字典项键。
+    /// </summary>
+    [Required, MaxLength(128)]
+    public string Key { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 字典项值。
+    /// </summary>
+    [Required]
+    public Dictionary<string, string> Value { get; set; } = new(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 是否默认项。
+    /// </summary>
+    public bool IsDefault { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
+
+    /// <summary>
+    /// 描述信息。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Description { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryBatchQueryRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryBatchQueryRequest.cs
new file mode 100644
index 0000000..cc5e2c6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryBatchQueryRequest.cs
@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 批量查询字典项请求。
+/// </summary>
+public sealed class DictionaryBatchQueryRequest
+{
+    /// <summary>
+    /// 分组编码集合。
+    /// </summary>
+    [Required]
+    public IReadOnlyCollection<string> Codes { get; init; } = Array.Empty<string>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryGroupQuery.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryGroupQuery.cs
new file mode 100644
index 0000000..c7afa74
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryGroupQuery.cs
@@ -0,0 +1,49 @@
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 字典分组查询参数。
+/// </summary>
+public sealed class DictionaryGroupQuery
+{
+    /// <summary>
+    /// 作用域过滤。
+    /// </summary>
+    public DictionaryScope? Scope { get; set; }
+
+    /// <summary>
+    /// 关键字（匹配编码或名称）。
+    /// </summary>
+    public string? Keyword { get; set; }
+
+    /// <summary>
+    /// 启用状态过滤。
+    /// </summary>
+    public bool? IsEnabled { get; set; }
+
+    /// <summary>
+    /// 分页页码。
+    /// </summary>
+    public int Page { get; set; } = 1;
+
+    /// <summary>
+    /// 分页大小。
+    /// </summary>
+    public int PageSize { get; set; } = 20;
+
+    /// <summary>
+    /// 排序字段。
+    /// </summary>
+    public string? SortBy { get; set; }
+
+    /// <summary>
+    /// 排序方向（asc/desc）。
+    /// </summary>
+    public string? SortOrder { get; set; }
+
+    /// <summary>
+    /// 是否包含字典项。
+    /// </summary>
+    public bool IncludeItems { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryImportRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryImportRequest.cs
new file mode 100644
index 0000000..76d69b7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryImportRequest.cs
@@ -0,0 +1,34 @@
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 字典导入请求。
+/// </summary>
+public sealed class DictionaryImportRequest
+{
+    /// <summary>
+    /// 分组 ID。
+    /// </summary>
+    public long GroupId { get; init; }
+
+    /// <summary>
+    /// 文件名称。
+    /// </summary>
+    public string FileName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 文件大小（字节）。
+    /// </summary>
+    public long FileSize { get; init; }
+
+    /// <summary>
+    /// 冲突解决模式。
+    /// </summary>
+    public ConflictResolutionMode ConflictMode { get; init; } = ConflictResolutionMode.Skip;
+
+    /// <summary>
+    /// 文件流。
+    /// </summary>
+    public Stream FileStream { get; init; } = Stream.Null;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideHiddenItemsRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideHiddenItemsRequest.cs
new file mode 100644
index 0000000..dd92927
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideHiddenItemsRequest.cs
@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 更新字典覆盖隐藏项请求。
+/// </summary>
+public sealed class DictionaryOverrideHiddenItemsRequest
+{
+    /// <summary>
+    /// 需要隐藏的系统字典项 ID 列表。
+    /// </summary>
+    [Required]
+    public long[] HiddenItemIds { get; set; } = Array.Empty<long>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideSortOrderRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideSortOrderRequest.cs
new file mode 100644
index 0000000..cb7eabf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideSortOrderRequest.cs
@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 更新字典覆盖排序请求。
+/// </summary>
+public sealed class DictionaryOverrideSortOrderRequest
+{
+    /// <summary>
+    /// 排序配置（字典项 ID -> 排序值）。
+    /// </summary>
+    [Required]
+    public Dictionary<long, int> SortOrder { get; set; } = new();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryGroupRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryGroupRequest.cs
new file mode 100644
index 0000000..8c66b3a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryGroupRequest.cs
@@ -0,0 +1,36 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 更新字典分组请求。
+/// </summary>
+public sealed class UpdateDictionaryGroupRequest
+{
+    /// <summary>
+    /// 分组名称。
+    /// </summary>
+    [Required, MaxLength(128)]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 描述信息。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 是否允许租户覆盖。
+    /// </summary>
+    public bool AllowOverride { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 行版本，用于并发控制。
+    /// </summary>
+    public byte[]? RowVersion { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryItemRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryItemRequest.cs
new file mode 100644
index 0000000..b2d00f5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryItemRequest.cs
@@ -0,0 +1,47 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 更新字典项请求。
+/// </summary>
+public sealed class UpdateDictionaryItemRequest
+{
+    /// <summary>
+    /// 字典项键。
+    /// </summary>
+    [Required, MaxLength(128)]
+    public string Key { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 字典项值。
+    /// </summary>
+    [Required]
+    public Dictionary<string, string> Value { get; set; } = new(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 是否默认项。
+    /// </summary>
+    public bool IsDefault { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
+
+    /// <summary>
+    /// 描述信息。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 行版本，用于并发控制。
+    /// </summary>
+    public byte[]? RowVersion { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
new file mode 100644
index 0000000..1e2f972
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
@@ -0,0 +1,26 @@
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Services;
+
+namespace TakeoutSaaS.Application.Dictionary.Extensions;
+
+/// <summary>
+/// 字典应用服务注册扩展。
+/// </summary>
+public static class DictionaryServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册字典模块应用层组件。
+    /// </summary>
+    public static IServiceCollection AddDictionaryApplication(this IServiceCollection services)
+    {
+        services.AddScoped<IDictionaryAppService, DictionaryAppService>();
+        services.AddScoped<DictionaryCommandService>();
+        services.AddScoped<DictionaryQueryService>();
+        services.AddScoped<DictionaryMergeService>();
+        services.AddScoped<DictionaryOverrideService>();
+        services.AddScoped<DictionaryLabelOverrideService>();
+        services.AddScoped<DictionaryImportExportService>();
+        return services;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs
new file mode 100644
index 0000000..8fb64fc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs
@@ -0,0 +1,73 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.Dictionary.Models;
+
+/// <summary>
+/// 字典分组 DTO。
+/// </summary>
+public sealed class DictionaryGroupDto
+{
+    /// <summary>
+    /// 分组 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 分组编码。
+    /// </summary>
+    public string Code { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 分组名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 字典作用域。
+    /// </summary>
+    public DictionaryScope Scope { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 是否允许覆盖。
+    /// </summary>
+    public bool AllowOverride { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间（UTC）。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+
+    /// <summary>
+    /// 并发控制字段。
+    /// </summary>
+    public byte[] RowVersion { get; init; } = Array.Empty<byte>();
+
+    /// <summary>
+    /// 字典项集合。
+    /// </summary>
+    public IReadOnlyList<DictionaryItemDto> Items { get; init; } = Array.Empty<DictionaryItemDto>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryImportResultDto.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryImportResultDto.cs
new file mode 100644
index 0000000..e1ddbe5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryImportResultDto.cs
@@ -0,0 +1,53 @@
+namespace TakeoutSaaS.Application.Dictionary.Models;
+
+/// <summary>
+/// 字典导入结果 DTO。
+/// </summary>
+public sealed class DictionaryImportResultDto
+{
+    /// <summary>
+    /// 成功数量。
+    /// </summary>
+    public int SuccessCount { get; init; }
+
+    /// <summary>
+    /// 跳过数量。
+    /// </summary>
+    public int SkipCount { get; init; }
+
+    /// <summary>
+    /// 错误数量。
+    /// </summary>
+    public int ErrorCount { get; init; }
+
+    /// <summary>
+    /// 错误列表。
+    /// </summary>
+    public IReadOnlyList<ImportError> Errors { get; init; } = Array.Empty<ImportError>();
+
+    /// <summary>
+    /// 处理耗时。
+    /// </summary>
+    public TimeSpan Duration { get; init; }
+
+    /// <summary>
+    /// 导入错误详情。
+    /// </summary>
+    public sealed class ImportError
+    {
+        /// <summary>
+        /// 行号。
+        /// </summary>
+        public int RowNumber { get; init; }
+
+        /// <summary>
+        /// 字段名。
+        /// </summary>
+        public string Field { get; init; } = string.Empty;
+
+        /// <summary>
+        /// 错误信息。
+        /// </summary>
+        public string Message { get; init; } = string.Empty;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryImportRow.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryImportRow.cs
new file mode 100644
index 0000000..c6039b1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryImportRow.cs
@@ -0,0 +1,47 @@
+namespace TakeoutSaaS.Application.Dictionary.Models;
+
+/// <summary>
+/// 字典导入记录。
+/// </summary>
+public sealed class DictionaryImportRow
+{
+    /// <summary>
+    /// 行号（从 1 开始，包含表头行的偏移）。
+    /// </summary>
+    public int RowNumber { get; init; }
+
+    /// <summary>
+    /// 字典分组编码。
+    /// </summary>
+    public string? Code { get; init; }
+
+    /// <summary>
+    /// 字典项键。
+    /// </summary>
+    public string? Key { get; init; }
+
+    /// <summary>
+    /// 字典项值（JSON 字符串）。
+    /// </summary>
+    public string? Value { get; init; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int? SortOrder { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool? IsEnabled { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 来源：system / tenant。
+    /// </summary>
+    public string? Source { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryItemDto.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryItemDto.cs
new file mode 100644
index 0000000..36a56c8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryItemDto.cs
@@ -0,0 +1,63 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.Dictionary.Models;
+
+/// <summary>
+/// 字典项 DTO。
+/// </summary>
+public sealed class DictionaryItemDto
+{
+    /// <summary>
+    /// 字典项 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 分组 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long GroupId { get; init; }
+
+    /// <summary>
+    /// 键。
+    /// </summary>
+    public string Key { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 值。
+    /// </summary>
+    [JsonPropertyName("value")]
+    public Dictionary<string, string> Value { get; init; } = new(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 是否默认值。
+    /// </summary>
+    public bool IsDefault { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; init; }
+
+    /// <summary>
+    /// 排序序号。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 来源：system / tenant。
+    /// </summary>
+    public string Source { get; init; } = "system";
+
+    /// <summary>
+    /// 并发控制字段。
+    /// </summary>
+    public byte[] RowVersion { get; init; } = Array.Empty<byte>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/LabelOverrideDto.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/LabelOverrideDto.cs
new file mode 100644
index 0000000..7a48697
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/LabelOverrideDto.cs
@@ -0,0 +1,118 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.Dictionary.Models;
+
+/// <summary>
+/// 字典标签覆盖 DTO。
+/// </summary>
+public sealed class LabelOverrideDto
+{
+    /// <summary>
+    /// 覆盖记录 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 被覆盖的字典项 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long DictionaryItemId { get; init; }
+
+    /// <summary>
+    /// 字典项 Key。
+    /// </summary>
+    public string DictionaryItemKey { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 原始显示值（多语言）。
+    /// </summary>
+    public Dictionary<string, string> OriginalValue { get; init; } = new(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 覆盖后的显示值（多语言）。
+    /// </summary>
+    public Dictionary<string, string> OverrideValue { get; init; } = new(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 覆盖类型。
+    /// </summary>
+    public OverrideType OverrideType { get; init; }
+
+    /// <summary>
+    /// 覆盖类型名称。
+    /// </summary>
+    public string OverrideTypeName => OverrideType switch
+    {
+        OverrideType.TenantCustomization => "租户定制",
+        _ => "未知"
+    };
+
+    /// <summary>
+    /// 覆盖原因/备注。
+    /// </summary>
+    public string? Reason { get; init; }
+
+    /// <summary>
+    /// 创建时间。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+
+    /// <summary>
+    /// 更新时间。
+    /// </summary>
+    public DateTime? UpdatedAt { get; init; }
+
+    /// <summary>
+    /// 创建人 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long? CreatedBy { get; init; }
+
+    /// <summary>
+    /// 更新人 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long? UpdatedBy { get; init; }
+}
+
+/// <summary>
+/// 创建/更新标签覆盖请求。
+/// </summary>
+public sealed class UpsertLabelOverrideRequest
+{
+    /// <summary>
+    /// 被覆盖的字典项 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long DictionaryItemId { get; init; }
+
+    /// <summary>
+    /// 覆盖后的显示值（多语言）。
+    /// </summary>
+    public Dictionary<string, string> OverrideValue { get; init; } = new(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 覆盖原因/备注。
+    /// </summary>
+    public string? Reason { get; init; }
+}
+
+/// <summary>
+/// 批量覆盖请求。
+/// </summary>
+public sealed class BatchLabelOverrideRequest
+{
+    /// <summary>
+    /// 覆盖项列表。
+    /// </summary>
+    public List<UpsertLabelOverrideRequest> Items { get; init; } = new();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/OverrideConfigDto.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/OverrideConfigDto.cs
new file mode 100644
index 0000000..574e800
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/OverrideConfigDto.cs
@@ -0,0 +1,36 @@
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Shared.Abstractions.Serialization;
+
+namespace TakeoutSaaS.Application.Dictionary.Models;
+
+/// <summary>
+/// 租户字典覆盖配置 DTO。
+/// </summary>
+public sealed class OverrideConfigDto
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    [JsonConverter(typeof(SnowflakeIdJsonConverter))]
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 系统字典分组编码。
+    /// </summary>
+    public string SystemDictionaryGroupCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 是否启用覆盖。
+    /// </summary>
+    public bool OverrideEnabled { get; init; }
+
+    /// <summary>
+    /// 隐藏的系统字典项 ID 列表。
+    /// </summary>
+    public long[] HiddenSystemItemIds { get; init; } = Array.Empty<long>();
+
+    /// <summary>
+    /// 自定义排序映射。
+    /// </summary>
+    public Dictionary<long, int> CustomSortOrder { get; init; } = new();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs
new file mode 100644
index 0000000..4001b0a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs
@@ -0,0 +1,459 @@
+using Microsoft.Extensions.Logging;
+using System.Security.Cryptography;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Contracts;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 参数字典应用服务实现。
+/// </summary>
+public sealed class DictionaryAppService(
+    IDictionaryRepository repository,
+    IDictionaryCache cache,
+    ITenantProvider tenantProvider,
+    ILogger<DictionaryAppService> logger) : IDictionaryAppService
+{
+    /// <summary>
+    /// 创建字典分组。
+    /// </summary>
+    /// <param name="request">创建请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组 DTO。</returns>
+    public async Task<DictionaryGroupDto> CreateGroupAsync(CreateDictionaryGroupRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化编码并确定租户
+        var normalizedCode = NormalizeCode(request.Code);
+        var targetTenant = ResolveTargetTenant(request.Scope);
+
+        // 2. 校验编码唯一
+        var existing = await repository.FindGroupByCodeAsync(normalizedCode, cancellationToken);
+        if (existing != null)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"字典分组编码 {normalizedCode} 已存在");
+        }
+
+        // 3. 构建分组实体
+        var group = new DictionaryGroup
+        {
+            Id = 0,
+            TenantId = targetTenant,
+            Code = normalizedCode,
+            Name = request.Name.Trim(),
+            Scope = request.Scope,
+            AllowOverride = request.AllowOverride,
+            Description = request.Description?.Trim(),
+            IsEnabled = true,
+            RowVersion = RandomNumberGenerator.GetBytes(16)
+        };
+
+        // 4. 持久化并返回
+        await repository.AddGroupAsync(group, cancellationToken);
+        await repository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("创建字典分组：{Code}({Scope})", group.Code, group.Scope);
+        return MapGroup(group, includeItems: false);
+    }
+
+    /// <summary>
+    /// 更新字典分组。
+    /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="request">更新请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组 DTO。</returns>
+    public async Task<DictionaryGroupDto> UpdateGroupAsync(long groupId, UpdateDictionaryGroupRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取分组并校验权限
+        var group = await RequireGroupAsync(groupId, cancellationToken);
+        EnsureScopePermission(group.Scope);
+
+        if (request.RowVersion == null || request.RowVersion.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "RowVersion 不能为空");
+        }
+
+        if (!request.RowVersion.SequenceEqual(group.RowVersion))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "字典分组已被修改，请刷新后重试");
+        }
+
+        // 2. 更新字段
+        group.Name = request.Name.Trim();
+        group.Description = request.Description?.Trim();
+        group.IsEnabled = request.IsEnabled;
+        group.AllowOverride = request.AllowOverride;
+        group.RowVersion = RandomNumberGenerator.GetBytes(16);
+
+        // 3. 持久化并失效缓存
+        try
+        {
+            await repository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (IsConcurrencyException(exception))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "字典分组已被修改，请刷新后重试");
+        }
+        await InvalidateCacheAsync(group, cancellationToken);
+        logger.LogInformation("更新字典分组：{GroupId}", group.Id);
+        return MapGroup(group, includeItems: false);
+    }
+
+    /// <summary>
+    /// 删除字典分组。
+    /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    public async Task DeleteGroupAsync(long groupId, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取分组并校验权限
+        var group = await RequireGroupAsync(groupId, cancellationToken);
+        EnsureScopePermission(group.Scope);
+
+        // 2. 删除并失效缓存
+        await repository.RemoveGroupAsync(group, cancellationToken);
+        await repository.SaveChangesAsync(cancellationToken);
+        await InvalidateCacheAsync(group, cancellationToken);
+        logger.LogInformation("删除字典分组：{GroupId}", group.Id);
+    }
+
+    /// <summary>
+    /// 搜索字典分组。
+    /// </summary>
+    /// <param name="request">查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组列表。</returns>
+    public async Task<IReadOnlyList<DictionaryGroupDto>> SearchGroupsAsync(DictionaryGroupQuery request, CancellationToken cancellationToken = default)
+    {
+        // 1. 确定查询范围并校验权限
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var scope = ResolveScopeForQuery(request.Scope, tenantId);
+        EnsureScopePermission(scope);
+
+        // 2. 查询分组及可选项
+        var groups = await repository.SearchGroupsAsync(scope, cancellationToken);
+        var includeItems = request.IncludeItems;
+        var result = new List<DictionaryGroupDto>(groups.Count);
+
+        foreach (var group in groups)
+        {
+            IReadOnlyList<DictionaryItemDto> items = Array.Empty<DictionaryItemDto>();
+            if (includeItems)
+            {
+                // 查询分组下字典项
+                var itemEntities = await repository.GetItemsByGroupIdAsync(group.Id, cancellationToken);
+                items = itemEntities.Select(MapItem).ToList();
+            }
+
+            result.Add(MapGroup(group, includeItems, items));
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 创建字典项。
+    /// </summary>
+    /// <param name="request">创建请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项 DTO。</returns>
+    public async Task<DictionaryItemDto> CreateItemAsync(CreateDictionaryItemRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 校验分组与权限
+        var group = await RequireGroupAsync(request.GroupId, cancellationToken);
+        EnsureScopePermission(group.Scope);
+
+        // 2. 构建字典项
+        var item = new DictionaryItem
+        {
+            Id = 0,
+            TenantId = group.TenantId,
+            GroupId = group.Id,
+            Key = request.Key.Trim(),
+            Value = DictionaryValueConverter.Serialize(request.Value),
+            Description = request.Description?.Trim(),
+            SortOrder = request.SortOrder,
+            IsDefault = request.IsDefault,
+            IsEnabled = request.IsEnabled,
+            RowVersion = RandomNumberGenerator.GetBytes(16)
+        };
+
+        // 3. 持久化并失效缓存
+        await repository.AddItemAsync(item, cancellationToken);
+        await repository.SaveChangesAsync(cancellationToken);
+        await InvalidateCacheAsync(group, cancellationToken);
+        logger.LogInformation("新增字典项：{ItemId}", item.Id);
+        return MapItem(item);
+    }
+
+    /// <summary>
+    /// 更新字典项。
+    /// </summary>
+    /// <param name="itemId">字典项 ID。</param>
+    /// <param name="request">更新请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项 DTO。</returns>
+    public async Task<DictionaryItemDto> UpdateItemAsync(long itemId, UpdateDictionaryItemRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取字典项与分组并校验权限
+        var item = await RequireItemAsync(itemId, cancellationToken);
+        var group = await RequireGroupAsync(item.GroupId, cancellationToken);
+        EnsureScopePermission(group.Scope);
+
+        if (request.RowVersion == null || request.RowVersion.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "RowVersion 不能为空");
+        }
+
+        if (!request.RowVersion.SequenceEqual(item.RowVersion))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "字典项已被修改，请刷新后重试");
+        }
+
+        // 2. 更新字段
+        item.Key = request.Key.Trim();
+        item.Value = DictionaryValueConverter.Serialize(request.Value);
+        item.Description = request.Description?.Trim();
+        item.SortOrder = request.SortOrder;
+        item.IsDefault = request.IsDefault;
+        item.IsEnabled = request.IsEnabled;
+        item.RowVersion = RandomNumberGenerator.GetBytes(16);
+
+        // 3. 持久化并失效缓存
+        try
+        {
+            await repository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (IsConcurrencyException(exception))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "字典项已被修改，请刷新后重试");
+        }
+        await InvalidateCacheAsync(group, cancellationToken);
+        logger.LogInformation("更新字典项：{ItemId}", item.Id);
+        return MapItem(item);
+    }
+
+    /// <summary>
+    /// 删除字典项。
+    /// </summary>
+    /// <param name="itemId">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    public async Task DeleteItemAsync(long itemId, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取字典项与分组并校验权限
+        var item = await RequireItemAsync(itemId, cancellationToken);
+        var group = await RequireGroupAsync(item.GroupId, cancellationToken);
+        EnsureScopePermission(group.Scope);
+
+        // 2. 删除并失效缓存
+        await repository.RemoveItemAsync(item, cancellationToken);
+        await repository.SaveChangesAsync(cancellationToken);
+        await InvalidateCacheAsync(group, cancellationToken);
+        logger.LogInformation("删除字典项：{ItemId}", item.Id);
+    }
+
+    /// <summary>
+    /// 批量获取缓存中的字典项。
+    /// </summary>
+    /// <param name="request">批量查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>按编码分组的字典项集合。</returns>
+    public async Task<IReadOnlyDictionary<string, IReadOnlyList<DictionaryItemDto>>> GetCachedItemsAsync(DictionaryBatchQueryRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化编码
+        var normalizedCodes = request.Codes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(NormalizeCode)
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        if (normalizedCodes.Length == 0)
+        {
+            return new Dictionary<string, IReadOnlyList<DictionaryItemDto>>(StringComparer.OrdinalIgnoreCase);
+        }
+
+        // 2. 按租户合并系统与业务字典
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var result = new Dictionary<string, IReadOnlyList<DictionaryItemDto>>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var code in normalizedCodes)
+        {
+            var systemItems = await GetOrLoadCacheAsync(0, code, cancellationToken);
+            if (tenantId == 0)
+            {
+                result[code] = systemItems;
+                continue;
+            }
+
+            var tenantItems = await GetOrLoadCacheAsync(tenantId, code, cancellationToken);
+            result[code] = MergeItems(systemItems, tenantItems);
+        }
+
+        return result;
+    }
+
+    private async Task<DictionaryGroup> RequireGroupAsync(long groupId, CancellationToken cancellationToken)
+    {
+        // 1. 读取分组，找不到抛异常
+        var group = await repository.FindGroupByIdAsync(groupId, cancellationToken);
+        if (group == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "字典分组不存在");
+        }
+
+        return group;
+    }
+
+    private async Task<DictionaryItem> RequireItemAsync(long itemId, CancellationToken cancellationToken)
+    {
+        // 1. 读取字典项，找不到抛异常
+        var item = await repository.FindItemByIdAsync(itemId, cancellationToken);
+        if (item == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "字典项不存在");
+        }
+
+        return item;
+    }
+
+    private long ResolveTargetTenant(DictionaryScope scope)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        if (scope == DictionaryScope.System)
+        {
+            EnsureSystemTenant(tenantId);
+            return 0;
+        }
+
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "业务参数需指定租户");
+        }
+
+        return tenantId;
+    }
+
+    private static string NormalizeCode(string code) => code.Trim().ToLowerInvariant();
+
+    private static DictionaryScope ResolveScopeForQuery(DictionaryScope? requestedScope, long tenantId)
+    {
+        if (requestedScope.HasValue)
+        {
+            return requestedScope.Value;
+        }
+
+        return tenantId == 0 ? DictionaryScope.System : DictionaryScope.Business;
+    }
+
+    private void EnsureScopePermission(DictionaryScope scope)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 1. (空行后) 租户端不允许操作系统字典
+        if (scope == DictionaryScope.System && tenantId != 0)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "租户端不允许操作系统字典");
+        }
+    }
+
+    private void EnsureSystemTenant(long tenantId)
+    {
+        // 1. (空行后) 系统字典只能在系统租户（TenantId=0）上下文中操作
+        if (tenantId != 0)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "租户端不允许操作系统字典");
+        }
+    }
+
+    private async Task InvalidateCacheAsync(DictionaryGroup group, CancellationToken cancellationToken)
+    {
+        await cache.RemoveAsync(group.TenantId, group.Code, cancellationToken);
+        if (group.Scope == DictionaryScope.Business)
+        {
+            return;
+        }
+
+        // 系统参数更新需要逐租户重新合并，由调用方在下一次请求时重新加载
+    }
+
+    private async Task<IReadOnlyList<DictionaryItemDto>> GetOrLoadCacheAsync(long tenantId, string code, CancellationToken cancellationToken)
+    {
+        // 1. 先查缓存
+        var cached = await cache.GetAsync(tenantId, code, cancellationToken);
+        if (cached != null)
+        {
+            return cached;
+        }
+
+        // 2. 从仓储加载并写入缓存
+        var entities = await repository.GetItemsByCodesAsync(new[] { code }, tenantId, includeSystem: false, cancellationToken);
+        var items = entities
+            .Where(item => item.IsEnabled && (item.Group?.IsEnabled ?? true))
+            .Select(MapItem)
+            .OrderBy(item => item.SortOrder)
+            .ToList();
+
+        await cache.SetAsync(tenantId, code, items, cancellationToken);
+        return items;
+    }
+
+    private static IReadOnlyList<DictionaryItemDto> MergeItems(IReadOnlyList<DictionaryItemDto> systemItems, IReadOnlyList<DictionaryItemDto> tenantItems)
+    {
+        if (tenantItems.Count == 0)
+        {
+            return systemItems;
+        }
+
+        if (systemItems.Count == 0)
+        {
+            return tenantItems;
+        }
+
+        return systemItems.Concat(tenantItems)
+            .OrderBy(item => item.SortOrder)
+            .ToList();
+    }
+
+    private static DictionaryGroupDto MapGroup(DictionaryGroup group, bool includeItems, IReadOnlyList<DictionaryItemDto>? items = null)
+    {
+        return new DictionaryGroupDto
+        {
+            Id = group.Id,
+            Code = group.Code,
+            TenantId = group.TenantId,
+            Name = group.Name,
+            Scope = group.Scope,
+            Description = group.Description,
+            AllowOverride = group.AllowOverride,
+            IsEnabled = group.IsEnabled,
+            CreatedAt = group.CreatedAt,
+            UpdatedAt = group.UpdatedAt,
+            RowVersion = group.RowVersion,
+            Items = includeItems ? items ?? group.Items.Select(MapItem).ToList() : Array.Empty<DictionaryItemDto>()
+        };
+    }
+
+    private static DictionaryItemDto MapItem(DictionaryItem item)
+        => new()
+        {
+            Id = item.Id,
+            GroupId = item.GroupId,
+            Key = item.Key,
+            Value = DictionaryValueConverter.Deserialize(item.Value),
+            IsDefault = item.IsDefault,
+            IsEnabled = item.IsEnabled,
+            SortOrder = item.SortOrder,
+            Description = item.Description,
+            Source = item.TenantId == 0 ? "system" : "tenant",
+            RowVersion = item.RowVersion
+        };
+
+    private static bool IsConcurrencyException(Exception exception)
+        => string.Equals(exception.GetType().Name, "DbUpdateConcurrencyException", StringComparison.Ordinal);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryCacheKeys.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryCacheKeys.cs
new file mode 100644
index 0000000..9a45af5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryCacheKeys.cs
@@ -0,0 +1,44 @@
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典缓存键生成器。
+/// </summary>
+internal static class DictionaryCacheKeys
+{
+    internal const string DictionaryPrefix = "dict:";
+    internal const string GroupPrefix = "dict:groups:";
+    internal const string ItemPrefix = "dict:items:";
+
+    internal static string BuildDictionaryKey(long tenantId, DictionaryCode code)
+        => $"{DictionaryPrefix}{tenantId}:{code.Value}";
+
+    internal static string BuildGroupKey(
+        long tenantId,
+        DictionaryScope scope,
+        int page,
+        int pageSize,
+        string? keyword,
+        bool? isEnabled,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return $"{GroupPrefix}{tenantId}:{scope}:{page}:{pageSize}:{Normalize(keyword)}:{Normalize(isEnabled)}:{Normalize(sortBy)}:{(sortDescending ? "desc" : "asc")}";
+    }
+
+    internal static string BuildGroupPrefix(long tenantId)
+        => $"{GroupPrefix}{tenantId}:";
+
+    internal static string BuildItemKey(long groupId)
+        => $"{ItemPrefix}{groupId}";
+
+    private static string Normalize(string? value)
+        => string.IsNullOrWhiteSpace(value)
+            ? "all"
+            : value.Trim().ToLowerInvariant().Replace(":", "_", StringComparison.Ordinal);
+
+    private static string Normalize(bool? value)
+        => value.HasValue ? (value.Value ? "1" : "0") : "all";
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryCommandService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryCommandService.cs
new file mode 100644
index 0000000..c34a8db
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryCommandService.cs
@@ -0,0 +1,343 @@
+using System.Security.Cryptography;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Contracts;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典写操作服务。
+/// </summary>
+public sealed class DictionaryCommandService(
+    IDictionaryGroupRepository groupRepository,
+    IDictionaryItemRepository itemRepository,
+    IDictionaryHybridCache cache,
+    ITenantProvider tenantProvider,
+    ILogger<DictionaryCommandService> logger)
+{
+    /// <summary>
+    /// 创建字典分组。
+    /// </summary>
+    public async Task<DictionaryGroupDto> CreateGroupAsync(CreateDictionaryGroupRequest request, CancellationToken cancellationToken = default)
+    {
+        var targetTenantId = ResolveTargetTenant(request.Scope);
+        var code = new DictionaryCode(request.Code);
+
+        var existing = await groupRepository.GetByCodeAsync(targetTenantId, code, cancellationToken);
+        if (existing != null)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"字典分组编码 {code.Value} 已存在");
+        }
+
+        var group = new DictionaryGroup
+        {
+            TenantId = targetTenantId,
+            Code = code,
+            Name = request.Name.Trim(),
+            Scope = request.Scope,
+            AllowOverride = request.AllowOverride,
+            Description = request.Description?.Trim(),
+            IsEnabled = true,
+            RowVersion = RandomNumberGenerator.GetBytes(16)
+        };
+
+        await groupRepository.AddAsync(group, cancellationToken);
+        await groupRepository.SaveChangesAsync(cancellationToken);
+        await cache.InvalidateAsync(
+            DictionaryCacheKeys.BuildGroupPrefix(targetTenantId),
+            CacheInvalidationOperation.Create,
+            cancellationToken);
+
+        logger.LogInformation("创建字典分组 {GroupCode}", group.Code);
+        return DictionaryMapper.ToGroupDto(group);
+    }
+
+    /// <summary>
+    /// 更新字典分组。
+    /// </summary>
+    public async Task<DictionaryGroupDto> UpdateGroupAsync(long groupId, UpdateDictionaryGroupRequest request, CancellationToken cancellationToken = default)
+    {
+        var group = await RequireGroupAsync(groupId, cancellationToken);
+        EnsureGroupAccess(group);
+
+        EnsureRowVersion(request.RowVersion, group.RowVersion, "字典分组");
+
+        group.Name = request.Name.Trim();
+        group.Description = request.Description?.Trim();
+        group.IsEnabled = request.IsEnabled;
+        group.AllowOverride = request.AllowOverride;
+        group.RowVersion = RandomNumberGenerator.GetBytes(16);
+
+        try
+        {
+            await groupRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (IsConcurrencyException(exception))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "字典分组已被修改，请刷新后重试");
+        }
+
+        await InvalidateGroupCacheAsync(group, CacheInvalidationOperation.Update, cancellationToken);
+        logger.LogInformation("更新字典分组 {GroupId}", group.Id);
+        return DictionaryMapper.ToGroupDto(group);
+    }
+
+    /// <summary>
+    /// 删除字典分组。
+    /// </summary>
+    public async Task<bool> DeleteGroupAsync(long groupId, CancellationToken cancellationToken = default)
+    {
+        var group = await groupRepository.GetByIdAsync(groupId, cancellationToken);
+        if (group == null)
+        {
+            return false;
+        }
+
+        EnsureGroupAccess(group);
+
+        var items = await itemRepository.GetByGroupIdAsync(group.TenantId, group.Id, cancellationToken);
+        foreach (var item in items)
+        {
+            await itemRepository.RemoveAsync(item, cancellationToken);
+        }
+
+        await groupRepository.RemoveAsync(group, cancellationToken);
+        await groupRepository.SaveChangesAsync(cancellationToken);
+        await InvalidateGroupCacheAsync(group, CacheInvalidationOperation.Delete, cancellationToken);
+
+        logger.LogInformation("删除字典分组 {GroupId}", group.Id);
+        return true;
+    }
+
+    /// <summary>
+    /// 创建字典项。
+    /// </summary>
+    public async Task<DictionaryItemDto> CreateItemAsync(CreateDictionaryItemRequest request, CancellationToken cancellationToken = default)
+    {
+        var group = await RequireGroupAsync(request.GroupId, cancellationToken);
+        EnsureGroupAccess(group);
+
+        var items = await itemRepository.GetByGroupIdAsync(group.TenantId, group.Id, cancellationToken);
+        var normalizedKey = request.Key.Trim();
+        if (items.Any(item => string.Equals(item.Key, normalizedKey, StringComparison.OrdinalIgnoreCase)))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"字典项键 {normalizedKey} 已存在");
+        }
+
+        var sortOrder = request.SortOrder;
+        if (sortOrder <= 0)
+        {
+            sortOrder = items.Count == 0 ? 10 : items.Max(item => item.SortOrder) + 10;
+        }
+
+        var item = new DictionaryItem
+        {
+            TenantId = group.TenantId,
+            GroupId = group.Id,
+            Key = normalizedKey,
+            Value = DictionaryValueConverter.Serialize(request.Value),
+            Description = request.Description?.Trim(),
+            SortOrder = sortOrder,
+            IsDefault = request.IsDefault,
+            IsEnabled = request.IsEnabled,
+            RowVersion = RandomNumberGenerator.GetBytes(16)
+        };
+
+        await itemRepository.AddAsync(item, cancellationToken);
+        await groupRepository.SaveChangesAsync(cancellationToken);
+        await InvalidateItemCacheAsync(group, CacheInvalidationOperation.Create, cancellationToken);
+
+        logger.LogInformation("新增字典项 {ItemId}", item.Id);
+        return DictionaryMapper.ToItemDto(item);
+    }
+
+    /// <summary>
+    /// 更新字典项。
+    /// </summary>
+    public async Task<DictionaryItemDto> UpdateItemAsync(long itemId, UpdateDictionaryItemRequest request, CancellationToken cancellationToken = default)
+    {
+        var item = await RequireItemAsync(itemId, cancellationToken);
+        var group = await RequireGroupAsync(item.GroupId, cancellationToken);
+        EnsureGroupAccess(group);
+
+        EnsureRowVersion(request.RowVersion, item.RowVersion, "字典项");
+
+        var normalizedKey = request.Key.Trim();
+        if (!string.Equals(item.Key, normalizedKey, StringComparison.OrdinalIgnoreCase))
+        {
+            var items = await itemRepository.GetByGroupIdAsync(group.TenantId, group.Id, cancellationToken);
+            if (items.Any(existing => existing.Id != item.Id && string.Equals(existing.Key, normalizedKey, StringComparison.OrdinalIgnoreCase)))
+            {
+                throw new BusinessException(ErrorCodes.Conflict, $"字典项键 {normalizedKey} 已存在");
+            }
+        }
+
+        item.Key = normalizedKey;
+        item.Value = DictionaryValueConverter.Serialize(request.Value);
+        item.Description = request.Description?.Trim();
+        item.SortOrder = request.SortOrder;
+        item.IsDefault = request.IsDefault;
+        item.IsEnabled = request.IsEnabled;
+        item.RowVersion = RandomNumberGenerator.GetBytes(16);
+
+        try
+        {
+            await groupRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception) when (IsConcurrencyException(exception))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "字典项已被修改，请刷新后重试");
+        }
+
+        await InvalidateItemCacheAsync(group, CacheInvalidationOperation.Update, cancellationToken);
+        logger.LogInformation("更新字典项 {ItemId}", item.Id);
+        return DictionaryMapper.ToItemDto(item);
+    }
+
+    /// <summary>
+    /// 删除字典项。
+    /// </summary>
+    public async Task<bool> DeleteItemAsync(long itemId, CancellationToken cancellationToken = default)
+    {
+        var item = await itemRepository.GetByIdAsync(itemId, cancellationToken);
+        if (item == null)
+        {
+            return false;
+        }
+
+        var group = await RequireGroupAsync(item.GroupId, cancellationToken);
+        EnsureGroupAccess(group);
+
+        await itemRepository.RemoveAsync(item, cancellationToken);
+        await groupRepository.SaveChangesAsync(cancellationToken);
+        await InvalidateItemCacheAsync(group, CacheInvalidationOperation.Delete, cancellationToken);
+
+        logger.LogInformation("删除字典项 {ItemId}", item.Id);
+        return true;
+    }
+
+    private long ResolveTargetTenant(DictionaryScope scope)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        if (scope == DictionaryScope.System)
+        {
+            // 1. (空行后) 租户端禁止写入系统字典
+            if (tenantId != 0)
+            {
+                throw new BusinessException(ErrorCodes.Forbidden, "租户端不允许创建系统字典");
+            }
+
+            return 0;
+        }
+
+        // 2. (空行后) 业务字典必须在租户上下文中创建
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "业务字典必须在租户上下文中创建");
+        }
+
+        return tenantId;
+    }
+
+    private void EnsureGroupAccess(DictionaryGroup group)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 1. (空行后) 租户端不允许操作系统字典
+        if (group.Scope == DictionaryScope.System && tenantId != 0)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "租户端不允许操作系统字典");
+        }
+
+        // 2. (空行后) 业务字典必须属于当前租户
+        if (group.Scope == DictionaryScope.Business && tenantId != group.TenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权操作其他租户字典");
+        }
+    }
+
+    private static void EnsureRowVersion(byte[]? requestVersion, byte[] entityVersion, string resourceName)
+    {
+        if (requestVersion == null || requestVersion.Length == 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "RowVersion 不能为空");
+        }
+
+        if (!requestVersion.SequenceEqual(entityVersion))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"{resourceName}已被修改，请刷新后重试");
+        }
+    }
+
+    private async Task<DictionaryGroup> RequireGroupAsync(long groupId, CancellationToken cancellationToken)
+    {
+        var group = await groupRepository.GetByIdAsync(groupId, cancellationToken);
+        if (group == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "字典分组不存在");
+        }
+
+        return group;
+    }
+
+    private async Task<DictionaryItem> RequireItemAsync(long itemId, CancellationToken cancellationToken)
+    {
+        var item = await itemRepository.GetByIdAsync(itemId, cancellationToken);
+        if (item == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "字典项不存在");
+        }
+
+        return item;
+    }
+
+    private Task InvalidateGroupCacheAsync(
+        DictionaryGroup group,
+        CacheInvalidationOperation operation,
+        CancellationToken cancellationToken)
+    {
+        var tasks = new List<Task>
+        {
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildGroupPrefix(group.TenantId), operation, cancellationToken),
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildItemKey(group.Id), operation, cancellationToken),
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildDictionaryKey(group.TenantId, group.Code), operation, cancellationToken)
+        };
+
+        if (group.Scope == DictionaryScope.System)
+        {
+            tasks.Add(cache.InvalidateAsync(DictionaryCacheKeys.DictionaryPrefix, operation, cancellationToken));
+        }
+
+        return Task.WhenAll(tasks);
+    }
+
+    private Task InvalidateItemCacheAsync(
+        DictionaryGroup group,
+        CacheInvalidationOperation operation,
+        CancellationToken cancellationToken)
+    {
+        var tasks = new List<Task>
+        {
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildItemKey(group.Id), operation, cancellationToken),
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildDictionaryKey(group.TenantId, group.Code), operation, cancellationToken)
+        };
+
+        if (group.Scope == DictionaryScope.System)
+        {
+            tasks.Add(cache.InvalidateAsync(DictionaryCacheKeys.DictionaryPrefix, operation, cancellationToken));
+        }
+
+        return Task.WhenAll(tasks);
+    }
+
+    private static bool IsConcurrencyException(Exception exception)
+        => string.Equals(exception.GetType().Name, "DbUpdateConcurrencyException", StringComparison.Ordinal);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryImportExportService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryImportExportService.cs
new file mode 100644
index 0000000..9e085a7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryImportExportService.cs
@@ -0,0 +1,483 @@
+using System.Diagnostics;
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.Json;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Contracts;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+using Microsoft.Extensions.Logging;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典导入导出服务。
+/// </summary>
+public sealed class DictionaryImportExportService(
+    ICsvDictionaryParser csvParser,
+    IJsonDictionaryParser jsonParser,
+    IDictionaryGroupRepository groupRepository,
+    IDictionaryItemRepository itemRepository,
+    IDictionaryImportLogRepository importLogRepository,
+    IDictionaryHybridCache cache,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUser,
+    ILogger<DictionaryImportExportService> logger)
+{
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
+
+    /// <summary>
+    /// 导出 CSV。
+    /// </summary>
+    public async Task ExportToCsvAsync(long groupId, Stream output, CancellationToken cancellationToken = default)
+    {
+        var group = await RequireGroupAsync(groupId, cancellationToken);
+        EnsureGroupReadable(group);
+
+        var items = await ResolveExportItemsAsync(group, cancellationToken);
+        await WriteCsvAsync(group, items, output, cancellationToken);
+    }
+
+    /// <summary>
+    /// 导出 JSON。
+    /// </summary>
+    public async Task ExportToJsonAsync(long groupId, Stream output, CancellationToken cancellationToken = default)
+    {
+        var group = await RequireGroupAsync(groupId, cancellationToken);
+        EnsureGroupReadable(group);
+
+        var items = await ResolveExportItemsAsync(group, cancellationToken);
+        var payload = items.Select(item => new DictionaryExportRow
+        {
+            Code = group.Code.Value,
+            Key = item.Key,
+            Value = item.Value,
+            SortOrder = item.SortOrder,
+            IsEnabled = item.IsEnabled,
+            Description = item.Description,
+            Source = item.Source
+        });
+
+        await JsonSerializer.SerializeAsync(output, payload, JsonOptions, cancellationToken);
+    }
+
+    /// <summary>
+    /// 导入 CSV。
+    /// </summary>
+    public async Task<DictionaryImportResultDto> ImportFromCsvAsync(DictionaryImportRequest request, CancellationToken cancellationToken = default)
+    {
+        var rows = await csvParser.ParseAsync(request.FileStream, cancellationToken);
+        return await ImportAsync(request, rows, "CSV", cancellationToken);
+    }
+
+    /// <summary>
+    /// 导入 JSON。
+    /// </summary>
+    public async Task<DictionaryImportResultDto> ImportFromJsonAsync(DictionaryImportRequest request, CancellationToken cancellationToken = default)
+    {
+        var rows = await jsonParser.ParseAsync(request.FileStream, cancellationToken);
+        return await ImportAsync(request, rows, "JSON", cancellationToken);
+    }
+
+    private async Task<DictionaryImportResultDto> ImportAsync(
+        DictionaryImportRequest request,
+        IReadOnlyList<DictionaryImportRow> rows,
+        string format,
+        CancellationToken cancellationToken)
+    {
+        var stopwatch = Stopwatch.StartNew();
+        var group = await RequireGroupAsync(request.GroupId, cancellationToken);
+        EnsureGroupWritable(group);
+
+        var errors = new List<DictionaryImportResultDto.ImportError>();
+        var validRows = new List<NormalizedRow>(rows.Count);
+        var hasFatalErrors = false;
+
+        foreach (var row in rows)
+        {
+            if (!TryNormalizeRow(group, row, errors, out var normalized))
+            {
+                hasFatalErrors = true;
+                continue;
+            }
+
+            validRows.Add(normalized);
+        }
+
+        if (hasFatalErrors)
+        {
+            var failed = BuildResult(0, 0, errors, stopwatch.Elapsed);
+            await RecordImportLogAsync(request, group, format, failed, stopwatch.Elapsed, cancellationToken);
+            return failed;
+        }
+
+        var existingItems = await itemRepository.GetByGroupIdAsync(group.TenantId, group.Id, cancellationToken);
+        var existingMap = existingItems.ToDictionary(item => item.Key, StringComparer.OrdinalIgnoreCase);
+        var seenKeys = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
+        var successCount = 0;
+        var skipCount = 0;
+        var nextSortOrder = existingItems.Count == 0 ? 0 : existingItems.Max(item => item.SortOrder);
+
+        foreach (var row in validRows)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            if (!seenKeys.Add(row.Key))
+            {
+                skipCount++;
+                errors.Add(CreateError(row.RowNumber, "key", $"字典项键 {row.Key} 在导入文件中重复"));
+                continue;
+            }
+
+            if (existingMap.TryGetValue(row.Key, out var existing))
+            {
+                if (request.ConflictMode != ConflictResolutionMode.Overwrite)
+                {
+                    skipCount++;
+                    errors.Add(CreateError(row.RowNumber, "key", $"字典项键 {row.Key} 已存在"));
+                    continue;
+                }
+
+                ApplyUpdate(existing, row, existing.SortOrder, overwriteSort: row.SortOrder.HasValue);
+                await itemRepository.UpdateAsync(existing, cancellationToken);
+                successCount++;
+                continue;
+            }
+
+            var sortOrder = row.SortOrder ?? 0;
+            if (!row.SortOrder.HasValue)
+            {
+                nextSortOrder = nextSortOrder == 0 ? 10 : nextSortOrder + 10;
+                sortOrder = nextSortOrder;
+            }
+
+            var item = new DictionaryItem
+            {
+                TenantId = group.TenantId,
+                GroupId = group.Id,
+                Key = row.Key,
+                Value = row.ValueJson,
+                SortOrder = sortOrder,
+                IsEnabled = row.IsEnabled ?? true,
+                IsDefault = false,
+                Description = row.Description,
+                RowVersion = RandomNumberGenerator.GetBytes(16)
+            };
+
+            await itemRepository.AddAsync(item, cancellationToken);
+            existingMap[item.Key] = item;
+            successCount++;
+        }
+
+        await itemRepository.SaveChangesAsync(cancellationToken);
+        await InvalidateGroupCacheAsync(group, cancellationToken);
+
+        var result = BuildResult(successCount, skipCount, errors, stopwatch.Elapsed);
+        await RecordImportLogAsync(request, group, format, result, stopwatch.Elapsed, cancellationToken);
+        return result;
+    }
+
+    private static void ApplyUpdate(DictionaryItem item, NormalizedRow row, int defaultSortOrder, bool overwriteSort)
+    {
+        item.Key = row.Key;
+        item.Value = row.ValueJson;
+        if (overwriteSort)
+        {
+            item.SortOrder = row.SortOrder ?? defaultSortOrder;
+        }
+
+        if (row.IsEnabled.HasValue)
+        {
+            item.IsEnabled = row.IsEnabled.Value;
+        }
+
+        if (!string.IsNullOrWhiteSpace(row.Description))
+        {
+            item.Description = row.Description;
+        }
+
+    }
+
+    private async Task<IReadOnlyList<DictionaryItemDto>> ResolveExportItemsAsync(DictionaryGroup group, CancellationToken cancellationToken)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        if (group.Scope == DictionaryScope.System && tenantId != 0)
+        {
+            var mergedItems = await itemRepository.GetMergedItemsAsync(tenantId, group.Id, includeOverrides: true, cancellationToken);
+            return mergedItems.Select(DictionaryMapper.ToItemDto).ToList();
+        }
+
+        var items = await itemRepository.GetByGroupIdAsync(group.TenantId, group.Id, cancellationToken);
+        return items.Select(DictionaryMapper.ToItemDto).ToList();
+    }
+
+    private static async Task WriteCsvAsync(
+        DictionaryGroup group,
+        IReadOnlyList<DictionaryItemDto> items,
+        Stream output,
+        CancellationToken cancellationToken)
+    {
+        await using var writer = new StreamWriter(output, new UTF8Encoding(encoderShouldEmitUTF8Identifier: true), leaveOpen: true);
+
+        await writer.WriteLineAsync("code,key,value,sortOrder,isEnabled,description,source");
+        foreach (var item in items)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var valueJson = JsonSerializer.Serialize(item.Value, JsonOptions);
+            var row = new[]
+            {
+                group.Code.Value,
+                item.Key,
+                valueJson,
+                item.SortOrder.ToString(),
+                item.IsEnabled ? "true" : "false",
+                item.Description ?? string.Empty,
+                item.Source
+            };
+
+            await writer.WriteLineAsync(ToCsvRow(row));
+        }
+
+        await writer.FlushAsync(cancellationToken);
+    }
+
+    private static string ToCsvRow(IEnumerable<string> fields)
+        => string.Join(",", fields.Select(EscapeCsvField));
+
+    private static string EscapeCsvField(string value)
+    {
+        if (value.Contains('"', StringComparison.Ordinal))
+        {
+            value = value.Replace("\"", "\"\"");
+        }
+
+        if (value.Contains(',', StringComparison.Ordinal) ||
+            value.Contains('\n', StringComparison.Ordinal) ||
+            value.Contains('\r', StringComparison.Ordinal) ||
+            value.Contains('"', StringComparison.Ordinal))
+        {
+            return $"\"{value}\"";
+        }
+
+        return value;
+    }
+
+    private bool TryNormalizeRow(
+        DictionaryGroup group,
+        DictionaryImportRow row,
+        ICollection<DictionaryImportResultDto.ImportError> errors,
+        out NormalizedRow normalized)
+    {
+        normalized = default;
+
+        if (!string.IsNullOrWhiteSpace(row.Code) &&
+            !string.Equals(row.Code.Trim(), group.Code.Value, StringComparison.OrdinalIgnoreCase))
+        {
+            errors.Add(CreateError(row.RowNumber, "code", "字典分组编码不匹配"));
+            return false;
+        }
+
+        if (string.IsNullOrWhiteSpace(row.Key))
+        {
+            errors.Add(CreateError(row.RowNumber, "key", "字典项键不能为空"));
+            return false;
+        }
+
+        var key = row.Key.Trim();
+        if (key.Length > 128)
+        {
+            errors.Add(CreateError(row.RowNumber, "key", "字典项键长度不能超过 128"));
+            return false;
+        }
+
+        if (string.IsNullOrWhiteSpace(row.Value))
+        {
+            errors.Add(CreateError(row.RowNumber, "value", "字典项值不能为空"));
+            return false;
+        }
+
+        string valueJson;
+        try
+        {
+            var i18n = I18nValue.FromJson(row.Value);
+            valueJson = i18n.ToJson();
+        }
+        catch (ArgumentException)
+        {
+            errors.Add(CreateError(row.RowNumber, "value", "字典项值必须为合法的多语言 JSON"));
+            return false;
+        }
+        catch (JsonException)
+        {
+            errors.Add(CreateError(row.RowNumber, "value", "字典项值必须为合法的多语言 JSON"));
+            return false;
+        }
+
+        if (row.SortOrder.HasValue && row.SortOrder.Value < 0)
+        {
+            errors.Add(CreateError(row.RowNumber, "sortOrder", "排序值不能小于 0"));
+            return false;
+        }
+
+        normalized = new NormalizedRow
+        {
+            RowNumber = row.RowNumber,
+            Key = key,
+            ValueJson = valueJson,
+            SortOrder = row.SortOrder,
+            IsEnabled = row.IsEnabled,
+            Description = row.Description?.Trim()
+        };
+
+        return true;
+    }
+
+    private static DictionaryImportResultDto BuildResult(
+        int successCount,
+        int skipCount,
+        IReadOnlyList<DictionaryImportResultDto.ImportError> errors,
+        TimeSpan duration)
+    {
+        return new DictionaryImportResultDto
+        {
+            SuccessCount = successCount,
+            SkipCount = skipCount,
+            ErrorCount = errors.Count,
+            Errors = errors.ToArray(),
+            Duration = duration
+        };
+    }
+
+    private async Task RecordImportLogAsync(
+        DictionaryImportRequest request,
+        DictionaryGroup group,
+        string format,
+        DictionaryImportResultDto result,
+        TimeSpan duration,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            var log = new DictionaryImportLog
+            {
+                TenantId = group.TenantId,
+                OperatorId = currentUser.UserId,
+                DictionaryGroupCode = group.Code.Value,
+                FileName = request.FileName,
+                FileSize = request.FileSize,
+                Format = format,
+                ConflictMode = request.ConflictMode,
+                SuccessCount = result.SuccessCount,
+                SkipCount = result.SkipCount,
+                ErrorDetails = result.Errors.Count == 0 ? null : JsonSerializer.Serialize(result.Errors, JsonOptions),
+                ProcessedAt = DateTime.UtcNow,
+                Duration = duration
+            };
+
+            await importLogRepository.AddAsync(log, cancellationToken);
+            await importLogRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception exception)
+        {
+            logger.LogWarning(exception, "记录字典导入日志失败");
+        }
+    }
+
+    private async Task InvalidateGroupCacheAsync(DictionaryGroup group, CancellationToken cancellationToken)
+    {
+        var tasks = new List<Task>
+        {
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildGroupPrefix(group.TenantId), CacheInvalidationOperation.Update, cancellationToken),
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildItemKey(group.Id), CacheInvalidationOperation.Update, cancellationToken),
+            cache.InvalidateAsync(DictionaryCacheKeys.BuildDictionaryKey(group.TenantId, group.Code), CacheInvalidationOperation.Update, cancellationToken)
+        };
+
+        if (group.Scope == DictionaryScope.System)
+        {
+            tasks.Add(cache.InvalidateAsync(DictionaryCacheKeys.DictionaryPrefix, CacheInvalidationOperation.Update, cancellationToken));
+        }
+
+        await Task.WhenAll(tasks);
+    }
+
+    private async Task<DictionaryGroup> RequireGroupAsync(long groupId, CancellationToken cancellationToken)
+    {
+        var group = await groupRepository.GetByIdAsync(groupId, cancellationToken);
+        if (group == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "字典分组不存在");
+        }
+
+        return group;
+    }
+
+    private void EnsureGroupAccess(DictionaryGroup group)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 1. (空行后) 租户端不允许操作系统字典
+        if (group.Scope == DictionaryScope.System && tenantId != 0)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "租户端不允许操作系统字典");
+        }
+
+        // 2. (空行后) 业务字典必须属于当前租户
+        if (group.Scope == DictionaryScope.Business && tenantId != group.TenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权操作其他租户字典");
+        }
+    }
+
+    private void EnsureGroupReadable(DictionaryGroup group)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        if (tenantId != 0 && group.Scope == DictionaryScope.Business && group.TenantId != tenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权访问其他租户字典");
+        }
+    }
+
+    private void EnsureGroupWritable(DictionaryGroup group)
+    {
+        EnsureGroupAccess(group);
+    }
+
+    private static DictionaryImportResultDto.ImportError CreateError(int rowNumber, string field, string message)
+        => new()
+        {
+            RowNumber = rowNumber,
+            Field = field,
+            Message = message
+        };
+
+    private sealed class DictionaryExportRow
+    {
+        public string Code { get; init; } = string.Empty;
+        public string Key { get; init; } = string.Empty;
+        public Dictionary<string, string> Value { get; init; } = new(StringComparer.OrdinalIgnoreCase);
+        public int SortOrder { get; init; }
+        public bool IsEnabled { get; init; }
+        public string? Description { get; init; }
+        public string Source { get; init; } = "system";
+    }
+
+    private readonly struct NormalizedRow
+    {
+        public int RowNumber { get; init; }
+        public string Key { get; init; }
+        public string ValueJson { get; init; }
+        public int? SortOrder { get; init; }
+        public bool? IsEnabled { get; init; }
+        public string? Description { get; init; }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryLabelOverrideService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryLabelOverrideService.cs
new file mode 100644
index 0000000..8d3346c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryLabelOverrideService.cs
@@ -0,0 +1,180 @@
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典标签覆盖服务。
+/// </summary>
+public sealed class DictionaryLabelOverrideService(
+    IDictionaryLabelOverrideRepository overrideRepository,
+    IDictionaryItemRepository itemRepository)
+{
+    /// <summary>
+    /// 获取租户的所有标签覆盖。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="overrideType">可选的覆盖类型过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    public async Task<IReadOnlyList<LabelOverrideDto>> GetOverridesAsync(
+        long tenantId,
+        OverrideType? overrideType = null,
+        CancellationToken cancellationToken = default)
+    {
+        var overrides = await overrideRepository.ListByTenantAsync(tenantId, overrideType, cancellationToken);
+        return overrides.Select(MapToDto).ToList();
+    }
+
+    /// <summary>
+    /// 获取指定字典项的覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="dictionaryItemId">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    public async Task<LabelOverrideDto?> GetOverrideByItemIdAsync(
+        long tenantId,
+        long dictionaryItemId,
+        CancellationToken cancellationToken = default)
+    {
+        var entity = await overrideRepository.GetByItemIdAsync(tenantId, dictionaryItemId, cancellationToken);
+        return entity == null ? null : MapToDto(entity);
+    }
+
+    /// <summary>
+    /// 创建或更新租户对系统字典的标签覆盖（租户定制）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="request">覆盖请求。</param>
+    /// <param name="operatorId">操作人 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    public async Task<LabelOverrideDto> UpsertTenantOverrideAsync(
+        long tenantId,
+        UpsertLabelOverrideRequest request,
+        long operatorId,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 验证字典项存在且为系统字典
+        var item = await itemRepository.GetByIdAsync(request.DictionaryItemId, cancellationToken);
+        if (item == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "字典项不存在");
+        }
+
+        if (item.TenantId != 0)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "租户只能覆盖系统字典项");
+        }
+
+        // 2. 查找现有覆盖或创建新记录
+        var existing = await overrideRepository.GetByItemIdAsync(tenantId, request.DictionaryItemId, cancellationToken);
+        var now = DateTime.UtcNow;
+        // 2.1 更新现有覆盖或创建新记录
+        if (existing != null)
+        {
+            // 2.2 仅允许租户定制类型被租户修改，其他类型视为系统保留数据
+            if (existing.OverrideType != OverrideType.TenantCustomization)
+            {
+                throw new BusinessException(ErrorCodes.Forbidden, "该覆盖记录不允许由租户修改");
+            }
+
+            existing.OverrideValue = DictionaryValueConverter.Serialize(request.OverrideValue);
+            existing.Reason = request.Reason;
+            existing.UpdatedAt = now;
+            existing.UpdatedBy = operatorId;
+            await overrideRepository.UpdateAsync(existing, cancellationToken);
+        }
+        else
+        {
+            existing = new DictionaryLabelOverride
+            {
+                TenantId = tenantId,
+                DictionaryItemId = request.DictionaryItemId,
+                OriginalValue = item.Value,
+                OverrideValue = DictionaryValueConverter.Serialize(request.OverrideValue),
+                OverrideType = OverrideType.TenantCustomization,
+                Reason = request.Reason,
+                CreatedAt = now,
+                CreatedBy = operatorId
+            };
+            await overrideRepository.AddAsync(existing, cancellationToken);
+        }
+
+        await overrideRepository.SaveChangesAsync(cancellationToken);
+
+        // 重新加载以获取完整信息
+        existing.DictionaryItem = item;
+        return MapToDto(existing);
+    }
+
+    /// <summary>
+    /// 删除覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="dictionaryItemId">字典项 ID。</param>
+    /// <param name="operatorId">操作人 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    public async Task<bool> DeleteOverrideAsync(
+        long tenantId,
+        long dictionaryItemId,
+        long operatorId,
+        CancellationToken cancellationToken = default)
+    {
+        var existing = await overrideRepository.GetByItemIdAsync(tenantId, dictionaryItemId, cancellationToken);
+        if (existing == null)
+        {
+            return false;
+        }
+
+        // 1. (空行后) 仅允许删除租户定制类型，其他类型视为系统保留数据
+        if (existing.OverrideType != OverrideType.TenantCustomization)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "该覆盖记录不允许由租户删除");
+        }
+
+        existing.DeletedBy = operatorId;
+        await overrideRepository.DeleteAsync(existing, cancellationToken);
+        await overrideRepository.SaveChangesAsync(cancellationToken);
+        return true;
+    }
+
+    /// <summary>
+    /// 批量获取字典项的覆盖值映射。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="dictionaryItemIds">字典项 ID 列表。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项 ID 到覆盖值的映射。</returns>
+    public async Task<Dictionary<long, Dictionary<string, string>>> GetOverrideValuesMapAsync(
+        long tenantId,
+        IEnumerable<long> dictionaryItemIds,
+        CancellationToken cancellationToken = default)
+    {
+        var overrides = await overrideRepository.GetByItemIdsAsync(tenantId, dictionaryItemIds, cancellationToken);
+        return overrides.ToDictionary(
+            x => x.DictionaryItemId,
+            x => DictionaryValueConverter.Deserialize(x.OverrideValue));
+    }
+
+    private static LabelOverrideDto MapToDto(DictionaryLabelOverride entity)
+    {
+        return new LabelOverrideDto
+        {
+            Id = entity.Id,
+            TenantId = entity.TenantId,
+            DictionaryItemId = entity.DictionaryItemId,
+            DictionaryItemKey = entity.DictionaryItem?.Key ?? string.Empty,
+            OriginalValue = DictionaryValueConverter.Deserialize(entity.OriginalValue),
+            OverrideValue = DictionaryValueConverter.Deserialize(entity.OverrideValue),
+            OverrideType = entity.OverrideType,
+            Reason = entity.Reason,
+            CreatedAt = entity.CreatedAt,
+            UpdatedAt = entity.UpdatedAt,
+            CreatedBy = entity.CreatedBy,
+            UpdatedBy = entity.UpdatedBy
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryMapper.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryMapper.cs
new file mode 100644
index 0000000..06ea7fc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryMapper.cs
@@ -0,0 +1,46 @@
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典实体映射辅助。
+/// </summary>
+internal static class DictionaryMapper
+{
+    internal static DictionaryGroupDto ToGroupDto(DictionaryGroup group, IReadOnlyList<DictionaryItemDto>? items = null)
+    {
+        return new DictionaryGroupDto
+        {
+            Id = group.Id,
+            TenantId = group.TenantId,
+            Code = group.Code,
+            Name = group.Name,
+            Scope = group.Scope,
+            AllowOverride = group.AllowOverride,
+            Description = group.Description,
+            IsEnabled = group.IsEnabled,
+            CreatedAt = group.CreatedAt,
+            UpdatedAt = group.UpdatedAt,
+            RowVersion = group.RowVersion,
+            Items = items ?? Array.Empty<DictionaryItemDto>()
+        };
+    }
+
+    internal static DictionaryItemDto ToItemDto(DictionaryItem item)
+    {
+        return new DictionaryItemDto
+        {
+            Id = item.Id,
+            GroupId = item.GroupId,
+            Key = item.Key,
+            Value = DictionaryValueConverter.Deserialize(item.Value),
+            IsDefault = item.IsDefault,
+            IsEnabled = item.IsEnabled,
+            SortOrder = item.SortOrder,
+            Description = item.Description,
+            Source = item.TenantId == 0 ? "system" : "tenant",
+            RowVersion = item.RowVersion
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryMergeService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryMergeService.cs
new file mode 100644
index 0000000..61e4642
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryMergeService.cs
@@ -0,0 +1,84 @@
+using System.Text.Json;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典覆盖合并服务。
+/// </summary>
+public sealed class DictionaryMergeService(
+    IDictionaryGroupRepository groupRepository,
+    IDictionaryItemRepository itemRepository,
+    ITenantDictionaryOverrideRepository overrideRepository)
+{
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
+
+    /// <summary>
+    /// 合并系统字典项与租户字典项。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryItemDto>> MergeItemsAsync(
+        long tenantId,
+        long systemGroupId,
+        CancellationToken cancellationToken = default)
+    {
+        var systemGroup = await groupRepository.GetByIdAsync(systemGroupId, cancellationToken);
+        if (systemGroup == null || systemGroup.Scope != DictionaryScope.System || !systemGroup.IsEnabled)
+        {
+            return Array.Empty<DictionaryItemDto>();
+        }
+
+        var systemItems = await itemRepository.GetByGroupIdAsync(0, systemGroupId, cancellationToken);
+        var activeSystem = systemItems.Where(item => item.IsEnabled).ToList();
+
+        if (tenantId == 0)
+        {
+            return activeSystem.Select(DictionaryMapper.ToItemDto).ToList();
+        }
+
+        var overrideConfig = await overrideRepository.GetAsync(tenantId, systemGroupId, cancellationToken);
+        if (overrideConfig == null || !overrideConfig.OverrideEnabled)
+        {
+            return activeSystem.Select(DictionaryMapper.ToItemDto).ToList();
+        }
+
+        var tenantGroup = await groupRepository.GetByCodeAsync(tenantId, systemGroup.Code, cancellationToken);
+        var tenantItems = tenantGroup != null && tenantGroup.IsEnabled
+            ? await itemRepository.GetByGroupIdAsync(tenantId, tenantGroup.Id, cancellationToken)
+            : Array.Empty<DictionaryItem>();
+
+        var activeTenant = tenantItems.Where(item => item.IsEnabled).ToList();
+        var hiddenSet = new HashSet<long>(overrideConfig.HiddenSystemItemIds);
+        var merged = activeSystem
+            .Where(item => !hiddenSet.Contains(item.Id))
+            .Concat(activeTenant)
+            .Select(DictionaryMapper.ToItemDto)
+            .ToList();
+
+        var sortOrder = ParseSortOrder(overrideConfig.CustomSortOrder);
+        return merged
+            .OrderBy(item => sortOrder.TryGetValue(item.Id, out var custom) ? custom : item.SortOrder)
+            .ThenBy(item => item.SortOrder)
+            .ThenBy(item => item.Id)
+            .ToList();
+    }
+
+    private static Dictionary<long, int> ParseSortOrder(string? json)
+    {
+        if (string.IsNullOrWhiteSpace(json))
+        {
+            return new Dictionary<long, int>();
+        }
+
+        try
+        {
+            return JsonSerializer.Deserialize<Dictionary<long, int>>(json, JsonOptions) ?? new Dictionary<long, int>();
+        }
+        catch (JsonException)
+        {
+            return new Dictionary<long, int>();
+        }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryOverrideService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryOverrideService.cs
new file mode 100644
index 0000000..325500a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryOverrideService.cs
@@ -0,0 +1,322 @@
+using System.Text.Json;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 租户字典覆盖配置服务。
+/// </summary>
+public sealed class DictionaryOverrideService(
+    IDictionaryGroupRepository groupRepository,
+    IDictionaryItemRepository itemRepository,
+    ITenantDictionaryOverrideRepository overrideRepository,
+    IDictionaryHybridCache cache)
+{
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
+
+    /// <summary>
+    /// 获取租户覆盖配置列表。
+    /// </summary>
+    public async Task<IReadOnlyList<OverrideConfigDto>> GetOverridesAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户上下文缺失");
+        }
+
+        var configs = await overrideRepository.ListAsync(tenantId, cancellationToken);
+        if (configs.Count == 0)
+        {
+            return Array.Empty<OverrideConfigDto>();
+        }
+
+        var groupIds = configs.Select(config => config.SystemDictionaryGroupId).Distinct().ToArray();
+        var groups = await groupRepository.GetByIdsAsync(groupIds, cancellationToken);
+        var codeMap = groups
+            .Where(group => group.Scope == DictionaryScope.System)
+            .ToDictionary(group => group.Id, group => group.Code);
+
+        var result = new List<OverrideConfigDto>(configs.Count);
+        foreach (var config in configs)
+        {
+            if (codeMap.TryGetValue(config.SystemDictionaryGroupId, out var code))
+            {
+                result.Add(MapOverrideDto(config, code));
+            }
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 获取租户指定分组的覆盖配置。
+    /// </summary>
+    public async Task<OverrideConfigDto?> GetOverrideAsync(long tenantId, string systemGroupCode, CancellationToken cancellationToken = default)
+    {
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户上下文缺失");
+        }
+
+        var systemGroup = await RequireSystemGroupAsync(systemGroupCode, cancellationToken);
+        var config = await overrideRepository.GetAsync(tenantId, systemGroup.Id, cancellationToken);
+        return config == null ? null : MapOverrideDto(config, systemGroup.Code);
+    }
+
+    /// <summary>
+    /// 启用覆盖配置。
+    /// </summary>
+    public async Task<OverrideConfigDto> EnableOverrideAsync(long tenantId, string systemGroupCode, CancellationToken cancellationToken = default)
+    {
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户上下文缺失");
+        }
+
+        var systemGroup = await RequireSystemGroupAsync(systemGroupCode, cancellationToken);
+        if (!systemGroup.AllowOverride)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "该系统字典不允许租户覆盖");
+        }
+
+        var config = await overrideRepository.GetAsync(tenantId, systemGroup.Id, cancellationToken);
+        if (config == null)
+        {
+            config = new TenantDictionaryOverride
+            {
+                TenantId = tenantId,
+                SystemDictionaryGroupId = systemGroup.Id,
+                OverrideEnabled = true,
+                HiddenSystemItemIds = Array.Empty<long>(),
+                CustomSortOrder = "{}"
+            };
+            await overrideRepository.AddAsync(config, cancellationToken);
+        }
+        else
+        {
+            config.OverrideEnabled = true;
+            await overrideRepository.UpdateAsync(config, cancellationToken);
+        }
+
+        await overrideRepository.SaveChangesAsync(cancellationToken);
+        await cache.InvalidateAsync(
+            DictionaryCacheKeys.BuildDictionaryKey(tenantId, systemGroup.Code),
+            CacheInvalidationOperation.Update,
+            cancellationToken);
+
+        return MapOverrideDto(config, systemGroup.Code);
+    }
+
+    /// <summary>
+    /// 关闭覆盖配置。
+    /// </summary>
+    public async Task<bool> DisableOverrideAsync(long tenantId, string systemGroupCode, CancellationToken cancellationToken = default)
+    {
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户上下文缺失");
+        }
+
+        var systemGroup = await RequireSystemGroupAsync(systemGroupCode, cancellationToken);
+        var config = await overrideRepository.GetAsync(tenantId, systemGroup.Id, cancellationToken);
+        if (config == null)
+        {
+            return false;
+        }
+
+        config.OverrideEnabled = false;
+        await overrideRepository.UpdateAsync(config, cancellationToken);
+        await overrideRepository.SaveChangesAsync(cancellationToken);
+        await cache.InvalidateAsync(
+            DictionaryCacheKeys.BuildDictionaryKey(tenantId, systemGroup.Code),
+            CacheInvalidationOperation.Update,
+            cancellationToken);
+
+        return true;
+    }
+
+    /// <summary>
+    /// 更新隐藏系统字典项。
+    /// </summary>
+    public async Task<OverrideConfigDto> UpdateHiddenItemsAsync(
+        long tenantId,
+        string systemGroupCode,
+        long[] hiddenIds,
+        CancellationToken cancellationToken = default)
+    {
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户上下文缺失");
+        }
+
+        var systemGroup = await RequireSystemGroupAsync(systemGroupCode, cancellationToken);
+        if (!systemGroup.AllowOverride)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "该系统字典不允许租户覆盖");
+        }
+
+        var systemItems = await itemRepository.GetByGroupIdAsync(0, systemGroup.Id, cancellationToken);
+        var validIds = systemItems.Select(item => item.Id).ToHashSet();
+        var normalized = hiddenIds?.Distinct().ToArray() ?? Array.Empty<long>();
+
+        if (normalized.Any(id => !validIds.Contains(id)))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "隐藏项包含无效的系统字典项");
+        }
+
+        var config = await overrideRepository.GetAsync(tenantId, systemGroup.Id, cancellationToken);
+        if (config == null)
+        {
+            config = new TenantDictionaryOverride
+            {
+                TenantId = tenantId,
+                SystemDictionaryGroupId = systemGroup.Id,
+                OverrideEnabled = true,
+                HiddenSystemItemIds = normalized,
+                CustomSortOrder = "{}"
+            };
+            await overrideRepository.AddAsync(config, cancellationToken);
+        }
+        else
+        {
+            config.HiddenSystemItemIds = normalized;
+            await overrideRepository.UpdateAsync(config, cancellationToken);
+        }
+
+        await overrideRepository.SaveChangesAsync(cancellationToken);
+        await cache.InvalidateAsync(
+            DictionaryCacheKeys.BuildDictionaryKey(tenantId, systemGroup.Code),
+            CacheInvalidationOperation.Update,
+            cancellationToken);
+
+        return MapOverrideDto(config, systemGroup.Code);
+    }
+
+    /// <summary>
+    /// 更新自定义排序配置。
+    /// </summary>
+    public async Task<OverrideConfigDto> UpdateCustomSortOrderAsync(
+        long tenantId,
+        string systemGroupCode,
+        Dictionary<long, int> sortOrderMap,
+        CancellationToken cancellationToken = default)
+    {
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户上下文缺失");
+        }
+
+        var systemGroup = await RequireSystemGroupAsync(systemGroupCode, cancellationToken);
+        if (!systemGroup.AllowOverride)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "该系统字典不允许租户覆盖");
+        }
+
+        var validIds = await CollectValidItemIdsAsync(tenantId, systemGroup, cancellationToken);
+        if (sortOrderMap.Keys.Any(id => !validIds.Contains(id)))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "排序配置包含无效的字典项");
+        }
+
+        var config = await overrideRepository.GetAsync(tenantId, systemGroup.Id, cancellationToken);
+        if (config == null)
+        {
+            config = new TenantDictionaryOverride
+            {
+                TenantId = tenantId,
+                SystemDictionaryGroupId = systemGroup.Id,
+                OverrideEnabled = true,
+                HiddenSystemItemIds = Array.Empty<long>(),
+                CustomSortOrder = SerializeSortOrder(sortOrderMap)
+            };
+            await overrideRepository.AddAsync(config, cancellationToken);
+        }
+        else
+        {
+            config.CustomSortOrder = SerializeSortOrder(sortOrderMap);
+            await overrideRepository.UpdateAsync(config, cancellationToken);
+        }
+
+        await overrideRepository.SaveChangesAsync(cancellationToken);
+        await cache.InvalidateAsync(
+            DictionaryCacheKeys.BuildDictionaryKey(tenantId, systemGroup.Code),
+            CacheInvalidationOperation.Update,
+            cancellationToken);
+
+        return MapOverrideDto(config, systemGroup.Code);
+    }
+
+    private async Task<HashSet<long>> CollectValidItemIdsAsync(long tenantId, DictionaryGroup systemGroup, CancellationToken cancellationToken)
+    {
+        var validIds = (await itemRepository.GetByGroupIdAsync(0, systemGroup.Id, cancellationToken))
+            .Select(item => item.Id)
+            .ToHashSet();
+
+        var tenantGroup = await groupRepository.GetByCodeAsync(tenantId, systemGroup.Code, cancellationToken);
+        if (tenantGroup != null)
+        {
+            foreach (var item in await itemRepository.GetByGroupIdAsync(tenantId, tenantGroup.Id, cancellationToken))
+            {
+                validIds.Add(item.Id);
+            }
+        }
+
+        return validIds;
+    }
+
+    private async Task<DictionaryGroup> RequireSystemGroupAsync(string code, CancellationToken cancellationToken)
+    {
+        var normalized = new DictionaryCode(code);
+        var group = await groupRepository.GetByCodeAsync(0, normalized, cancellationToken);
+        if (group == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "系统字典分组不存在");
+        }
+
+        if (group.Scope != DictionaryScope.System)
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "仅支持系统字典覆盖配置");
+        }
+
+        return group;
+    }
+
+    private static OverrideConfigDto MapOverrideDto(TenantDictionaryOverride config, DictionaryCode systemCode)
+    {
+        return new OverrideConfigDto
+        {
+            TenantId = config.TenantId,
+            SystemDictionaryGroupCode = systemCode.Value,
+            OverrideEnabled = config.OverrideEnabled,
+            HiddenSystemItemIds = config.HiddenSystemItemIds,
+            CustomSortOrder = ParseSortOrder(config.CustomSortOrder)
+        };
+    }
+
+    private static Dictionary<long, int> ParseSortOrder(string? json)
+    {
+        if (string.IsNullOrWhiteSpace(json))
+        {
+            return new Dictionary<long, int>();
+        }
+
+        try
+        {
+            return JsonSerializer.Deserialize<Dictionary<long, int>>(json, JsonOptions) ?? new Dictionary<long, int>();
+        }
+        catch (JsonException)
+        {
+            return new Dictionary<long, int>();
+        }
+    }
+
+    private static string SerializeSortOrder(Dictionary<long, int> map)
+        => JsonSerializer.Serialize(map ?? new Dictionary<long, int>(), JsonOptions);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryQueryService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryQueryService.cs
new file mode 100644
index 0000000..3d33d0d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryQueryService.cs
@@ -0,0 +1,246 @@
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Contracts;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典查询服务。
+/// </summary>
+public sealed class DictionaryQueryService(
+    IDictionaryGroupRepository groupRepository,
+    IDictionaryItemRepository itemRepository,
+    DictionaryMergeService mergeService,
+    IDictionaryHybridCache cache,
+    ITenantProvider tenantProvider)
+{
+    private static readonly TimeSpan CacheTtl = TimeSpan.FromMinutes(30);
+
+    /// <summary>
+    /// 获取字典分组分页数据。
+    /// </summary>
+    public async Task<PagedResult<DictionaryGroupDto>> GetGroupsAsync(
+        DictionaryGroupQuery query,
+        CancellationToken cancellationToken = default)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var scope = query.Scope ?? (tenantId == 0 ? DictionaryScope.System : DictionaryScope.Business);
+        var sortDescending = string.Equals(query.SortOrder, "desc", StringComparison.OrdinalIgnoreCase);
+        var targetTenant = scope == DictionaryScope.System ? 0 : tenantId;
+
+        var cacheKey = DictionaryCacheKeys.BuildGroupKey(
+            targetTenant,
+            scope,
+            query.Page,
+            query.PageSize,
+            query.Keyword,
+            query.IsEnabled,
+            query.SortBy,
+            sortDescending);
+
+        var cached = await cache.GetOrCreateAsync<DictionaryGroupPage>(
+            cacheKey,
+            CacheTtl,
+            async token =>
+            {
+                var groups = await groupRepository.GetPagedAsync(
+                    targetTenant,
+                    scope,
+                    query.Keyword,
+                    query.IsEnabled,
+                    query.Page,
+                    query.PageSize,
+                    query.SortBy,
+                    sortDescending,
+                    token);
+
+                var total = await groupRepository.CountAsync(
+                    targetTenant,
+                    scope,
+                    query.Keyword,
+                    query.IsEnabled,
+                    token);
+
+                var items = new List<DictionaryGroupDto>(groups.Count);
+                foreach (var group in groups)
+                {
+                    IReadOnlyList<DictionaryItemDto>? groupItems = null;
+                    if (query.IncludeItems)
+                    {
+                        var groupItemEntities = await itemRepository.GetByGroupIdAsync(group.TenantId, group.Id, token);
+                        groupItems = groupItemEntities
+                            .Where(item => item.IsEnabled)
+                            .OrderBy(item => item.SortOrder)
+                            .Select(DictionaryMapper.ToItemDto)
+                            .ToList();
+                    }
+
+                    items.Add(DictionaryMapper.ToGroupDto(group, groupItems));
+                }
+
+                return new DictionaryGroupPage
+                {
+                    Items = items,
+                    Page = query.Page,
+                    PageSize = query.PageSize,
+                    TotalCount = total
+                };
+            },
+            cancellationToken);
+
+        var page = cached ?? new DictionaryGroupPage
+        {
+            Items = Array.Empty<DictionaryGroupDto>(),
+            Page = query.Page,
+            PageSize = query.PageSize,
+            TotalCount = 0
+        };
+
+        return new PagedResult<DictionaryGroupDto>(page.Items, page.Page, page.PageSize, page.TotalCount);
+    }
+
+    /// <summary>
+    /// 获取字典分组详情。
+    /// </summary>
+    public async Task<DictionaryGroupDto?> GetGroupByIdAsync(long groupId, CancellationToken cancellationToken = default)
+    {
+        var group = await groupRepository.GetByIdAsync(groupId, cancellationToken);
+        if (group == null)
+        {
+            return null;
+        }
+
+        EnsureGroupReadable(group);
+        return DictionaryMapper.ToGroupDto(group);
+    }
+
+    /// <summary>
+    /// 获取分组下字典项列表。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryItemDto>> GetItemsByGroupIdAsync(long groupId, CancellationToken cancellationToken = default)
+    {
+        var cacheKey = DictionaryCacheKeys.BuildItemKey(groupId);
+        var cached = await cache.GetOrCreateAsync<IReadOnlyList<DictionaryItemDto>>(
+            cacheKey,
+            CacheTtl,
+            async token =>
+            {
+                var group = await groupRepository.GetByIdAsync(groupId, token);
+                if (group == null)
+                {
+                    throw new BusinessException(ErrorCodes.NotFound, "字典分组不存在");
+                }
+
+                EnsureGroupReadable(group);
+                var items = await itemRepository.GetByGroupIdAsync(group.TenantId, groupId, token);
+                return items
+                    .Where(item => item.IsEnabled)
+                    .OrderBy(item => item.SortOrder)
+                    .Select(DictionaryMapper.ToItemDto)
+                    .ToList();
+            },
+            cancellationToken);
+
+        return cached ?? Array.Empty<DictionaryItemDto>();
+    }
+
+    /// <summary>
+    /// 获取合并后的字典项列表。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryItemDto>> GetMergedDictionaryAsync(string code, CancellationToken cancellationToken = default)
+    {
+        if (!DictionaryCode.IsValid(code))
+        {
+            throw new BusinessException(ErrorCodes.ValidationFailed, "字典编码格式不正确");
+        }
+
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var normalized = new DictionaryCode(code);
+        var cacheKey = DictionaryCacheKeys.BuildDictionaryKey(tenantId, normalized);
+
+        var cached = await cache.GetOrCreateAsync<IReadOnlyList<DictionaryItemDto>>(
+            cacheKey,
+            CacheTtl,
+            async token =>
+            {
+                var systemGroup = await groupRepository.GetByCodeAsync(0, normalized, token);
+                if (systemGroup == null || !systemGroup.IsEnabled)
+                {
+                    return Array.Empty<DictionaryItemDto>();
+                }
+
+                if (tenantId == 0)
+                {
+                    var systemItems = await itemRepository.GetByGroupIdAsync(0, systemGroup.Id, token);
+                    return systemItems
+                        .Where(item => item.IsEnabled)
+                        .OrderBy(item => item.SortOrder)
+                        .Select(DictionaryMapper.ToItemDto)
+                        .ToList();
+                }
+
+                return await mergeService.MergeItemsAsync(tenantId, systemGroup.Id, token);
+            },
+            cancellationToken);
+
+        return cached ?? Array.Empty<DictionaryItemDto>();
+    }
+
+    /// <summary>
+    /// 批量获取字典项。
+    /// </summary>
+    public async Task<IReadOnlyDictionary<string, IReadOnlyList<DictionaryItemDto>>> BatchGetDictionariesAsync(
+        IEnumerable<string> codes,
+        CancellationToken cancellationToken = default)
+    {
+        var normalizedCodes = codes
+            .Where(DictionaryCode.IsValid)
+            .Select(code => new DictionaryCode(code).Value)
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        var result = new Dictionary<string, IReadOnlyList<DictionaryItemDto>>(StringComparer.OrdinalIgnoreCase);
+        if (normalizedCodes.Length == 0)
+        {
+            return result;
+        }
+
+        var tasks = normalizedCodes.Select(async code =>
+        {
+            var items = await GetMergedDictionaryAsync(code, cancellationToken);
+            return (code, items);
+        });
+
+        foreach (var pair in await Task.WhenAll(tasks))
+        {
+            result[pair.code] = pair.items;
+        }
+
+        return result;
+    }
+
+    private void EnsureGroupReadable(DictionaryGroup group)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        if (tenantId != 0 && group.Scope == DictionaryScope.Business && group.TenantId != tenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "无权访问其他租户字典");
+        }
+    }
+
+    private sealed class DictionaryGroupPage
+    {
+        public IReadOnlyList<DictionaryGroupDto> Items { get; init; } = Array.Empty<DictionaryGroupDto>();
+        public int Page { get; init; }
+        public int PageSize { get; init; }
+        public int TotalCount { get; init; }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryValueConverter.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryValueConverter.cs
new file mode 100644
index 0000000..7fe46a2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryValueConverter.cs
@@ -0,0 +1,46 @@
+using System.Text.Json;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+
+namespace TakeoutSaaS.Application.Dictionary.Services;
+
+/// <summary>
+/// 字典值序列化与反序列化辅助。
+/// </summary>
+internal static class DictionaryValueConverter
+{
+    /// <summary>
+    /// 将多语言字典序列化为 JSON。
+    /// </summary>
+    public static string Serialize(Dictionary<string, string> values)
+    {
+        var i18n = new I18nValue(values);
+        return i18n.ToJson();
+    }
+
+    /// <summary>
+    /// 将 JSON 解析为多语言字典。
+    /// </summary>
+    public static Dictionary<string, string> Deserialize(string? json)
+    {
+        if (string.IsNullOrWhiteSpace(json))
+        {
+            return new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        }
+
+        try
+        {
+            return I18nValue.FromJson(json).ToDictionary();
+        }
+        catch (JsonException)
+        {
+            return new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+            {
+                ["zh-CN"] = json.Trim()
+            };
+        }
+        catch (ArgumentException)
+        {
+            return new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Validators/CreateDictionaryGroupValidator.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Validators/CreateDictionaryGroupValidator.cs
new file mode 100644
index 0000000..024e6ca
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Validators/CreateDictionaryGroupValidator.cs
@@ -0,0 +1,25 @@
+using FluentValidation;
+using TakeoutSaaS.Application.Dictionary.Contracts;
+
+namespace TakeoutSaaS.Application.Dictionary.Validators;
+
+/// <summary>
+/// 创建字典分组请求验证器。
+/// </summary>
+public sealed class CreateDictionaryGroupValidator : AbstractValidator<CreateDictionaryGroupRequest>
+{
+    public CreateDictionaryGroupValidator()
+    {
+        RuleFor(x => x.Code)
+            .NotEmpty()
+            .Length(2, 64)
+            .Matches("^[a-zA-Z0-9_]+$");
+
+        RuleFor(x => x.Name)
+            .NotEmpty()
+            .MaximumLength(128);
+
+        RuleFor(x => x.Scope)
+            .IsInEnum();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Validators/I18nValueValidator.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Validators/I18nValueValidator.cs
new file mode 100644
index 0000000..2fdb6ef
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Validators/I18nValueValidator.cs
@@ -0,0 +1,32 @@
+using FluentValidation;
+
+namespace TakeoutSaaS.Application.Dictionary.Validators;
+
+/// <summary>
+/// 多语言值校验器。
+/// </summary>
+public sealed class I18nValueValidator : AbstractValidator<Dictionary<string, string>>
+{
+    public I18nValueValidator()
+    {
+        RuleFor(x => x)
+            .NotNull()
+            .Must(HasAtLeastOneValue)
+            .WithMessage("至少需要提供一种语言的值。");
+
+        RuleForEach(x => x.Keys)
+            .NotEmpty()
+            .Matches("^[a-zA-Z]{2,5}(-[a-zA-Z]{2,5})?$")
+            .WithMessage("语言代码格式不正确。");
+    }
+
+    private static bool HasAtLeastOneValue(Dictionary<string, string>? values)
+    {
+        if (values == null || values.Count == 0)
+        {
+            return false;
+        }
+
+        return values.Any(pair => !string.IsNullOrWhiteSpace(pair.Value));
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Validators/UpdateDictionaryItemValidator.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Validators/UpdateDictionaryItemValidator.cs
new file mode 100644
index 0000000..4de9c23
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Validators/UpdateDictionaryItemValidator.cs
@@ -0,0 +1,23 @@
+using FluentValidation;
+using TakeoutSaaS.Application.Dictionary.Contracts;
+
+namespace TakeoutSaaS.Application.Dictionary.Validators;
+
+/// <summary>
+/// 更新字典项请求验证器。
+/// </summary>
+public sealed class UpdateDictionaryItemValidator : AbstractValidator<UpdateDictionaryItemRequest>
+{
+    public UpdateDictionaryItemValidator()
+    {
+        RuleFor(x => x.Key)
+            .NotEmpty()
+            .MaximumLength(128);
+
+        RuleFor(x => x.Value)
+            .SetValidator(new I18nValueValidator());
+
+        RuleFor(x => x.SortOrder)
+            .GreaterThanOrEqualTo(0);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminPasswordResetTokenStore.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminPasswordResetTokenStore.cs
new file mode 100644
index 0000000..c83e6fc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminPasswordResetTokenStore.cs
@@ -0,0 +1,25 @@
+namespace TakeoutSaaS.Application.Identity.Abstractions;
+
+/// <summary>
+/// 管理后台“重置密码链接”令牌存储。
+/// </summary>
+public interface IAdminPasswordResetTokenStore
+{
+    /// <summary>
+    /// 签发一次性重置令牌。
+    /// </summary>
+    /// <param name="userId">目标用户 ID。</param>
+    /// <param name="expiresAt">过期时间（UTC）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>令牌值。</returns>
+    Task<string> IssueAsync(long userId, DateTime expiresAt, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 消费一次性重置令牌（成功后即删除）。
+    /// </summary>
+    /// <param name="token">令牌值。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>令牌绑定的用户 ID；不存在/过期返回 null。</returns>
+    Task<long?> ConsumeAsync(string token, CancellationToken cancellationToken = default);
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IIdentityOperationLogPublisher.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IIdentityOperationLogPublisher.cs
new file mode 100644
index 0000000..2b0add6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IIdentityOperationLogPublisher.cs
@@ -0,0 +1,17 @@
+using TakeoutSaaS.Application.Identity.Events;
+
+namespace TakeoutSaaS.Application.Identity.Abstractions;
+
+/// <summary>
+/// 身份模块操作日志发布器。
+/// </summary>
+public interface IIdentityOperationLogPublisher
+{
+    /// <summary>
+    /// 发布身份模块操作日志消息。
+    /// </summary>
+    /// <param name="message">操作日志消息。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task PublishAsync(IdentityUserOperationLogMessage message, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs
new file mode 100644
index 0000000..66f91a9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs
@@ -0,0 +1,10 @@
+namespace TakeoutSaaS.Application.Identity.Abstractions;
+
+/// <summary>
+/// 登录限流器。
+/// </summary>
+public interface ILoginRateLimiter
+{
+    Task EnsureAllowedAsync(string key, CancellationToken cancellationToken = default);
+    Task ResetAsync(string key, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs
new file mode 100644
index 0000000..8c5250a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs
@@ -0,0 +1,13 @@
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Abstractions;
+
+/// <summary>
+/// 小程序认证服务。
+/// </summary>
+public interface IMiniAuthService
+{
+    Task<TokenResponse> LoginWithWeChatAsync(WeChatLoginRequest request, CancellationToken cancellationToken = default);
+    Task<TokenResponse> RefreshTokenAsync(RefreshTokenRequest request, CancellationToken cancellationToken = default);
+    Task<CurrentUserProfile> GetProfileAsync(long userId, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs
new file mode 100644
index 0000000..d3465ef
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs
@@ -0,0 +1,36 @@
+namespace TakeoutSaaS.Application.Identity.Abstractions;
+
+/// <summary>
+/// 微信 code2Session 服务契约。
+/// </summary>
+public interface IWeChatAuthService
+{
+    /// <summary>
+    /// 调用微信接口完成 code2Session 交换。
+    /// </summary>
+    /// <param name="code">临时登录凭证 code。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>会话信息。</returns>
+    Task<WeChatSessionInfo> Code2SessionAsync(string code, CancellationToken cancellationToken = default);
+}
+
+/// <summary>
+/// 微信会话信息。
+/// </summary>
+public sealed class WeChatSessionInfo
+{
+    /// <summary>
+    /// OpenId。
+    /// </summary>
+    public string OpenId { get; init; } = string.Empty;
+
+    /// <summary>
+    /// UnionId。
+    /// </summary>
+    public string? UnionId { get; init; }
+
+    /// <summary>
+    /// 会话密钥。
+    /// </summary>
+    public string SessionKey { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/AssignUserRolesCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/AssignUserRolesCommand.cs
new file mode 100644
index 0000000..c52bbff
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/AssignUserRolesCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 为用户分配角色（覆盖式）。
+/// </summary>
+public sealed record AssignUserRolesCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 角色 ID 集合。
+    /// </summary>
+    public long[] RoleIds { get; init; } = Array.Empty<long>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/BatchIdentityUserOperationCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/BatchIdentityUserOperationCommand.cs
new file mode 100644
index 0000000..827e1ed
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/BatchIdentityUserOperationCommand.cs
@@ -0,0 +1,26 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Models;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 批量用户操作命令。
+/// </summary>
+public sealed record BatchIdentityUserOperationCommand : IRequest<BatchIdentityUserOperationResult>
+{
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 操作类型。
+    /// </summary>
+    public IdentityUserBatchOperation Operation { get; init; }
+
+    /// <summary>
+    /// 用户 ID 列表（字符串）。
+    /// </summary>
+    public string[] UserIds { get; init; } = Array.Empty<string>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/BindRolePermissionsCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/BindRolePermissionsCommand.cs
new file mode 100644
index 0000000..51eb4bf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/BindRolePermissionsCommand.cs
@@ -0,0 +1,24 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 绑定角色权限（覆盖式）。
+/// </summary>
+public sealed record BindRolePermissionsCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 角色 ID。
+    /// </summary>
+    public long RoleId { get; init; }
+
+    /// <summary>
+    /// 租户 ID（可选，空则取当前上下文）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 权限 ID 集合。
+    /// </summary>
+    public long[] PermissionIds { get; init; } = Array.Empty<long>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/ChangeIdentityUserStatusCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/ChangeIdentityUserStatusCommand.cs
new file mode 100644
index 0000000..1e6dd30
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/ChangeIdentityUserStatusCommand.cs
@@ -0,0 +1,25 @@
+using MediatR;
+using TakeoutSaaS.Domain.Identity.Enums;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 更新用户状态命令。
+/// </summary>
+public sealed record ChangeIdentityUserStatusCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 目标状态。
+    /// </summary>
+    public IdentityUserStatus Status { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CloneRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CloneRoleTemplateCommand.cs
new file mode 100644
index 0000000..bf60e8a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CloneRoleTemplateCommand.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 克隆角色模板。
+/// </summary>
+public sealed record CloneRoleTemplateCommand : IRequest<RoleTemplateDto>
+{
+    /// <summary>
+    /// 源模板编码。
+    /// </summary>
+    public string SourceTemplateCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 新模板编码。
+    /// </summary>
+    public string NewTemplateCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 新模板名称（为空则沿用源模板）。
+    /// </summary>
+    public string? Name { get; init; }
+
+    /// <summary>
+    /// 新模板描述（为空则沿用源模板）。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 是否启用（为空则沿用源模板）。
+    /// </summary>
+    public bool? IsActive { get; init; }
+
+    /// <summary>
+    /// 权限编码集合（为空则沿用源模板权限）。
+    /// </summary>
+    public IReadOnlyCollection<string>? PermissionCodes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CopyRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CopyRoleTemplateCommand.cs
new file mode 100644
index 0000000..efaa1a3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CopyRoleTemplateCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 从预置模板复制角色并绑定权限。
+/// </summary>
+public sealed record CopyRoleTemplateCommand : IRequest<RoleDto>
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 复制后角色名称（为空则使用模板名称）。
+    /// </summary>
+    public string? RoleName { get; init; }
+
+    /// <summary>
+    /// 复制后角色编码（为空则使用模板编码）。
+    /// </summary>
+    public string? RoleCode { get; init; }
+
+    /// <summary>
+    /// 角色描述（为空则沿用模板描述）。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateIdentityUserCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateIdentityUserCommand.cs
new file mode 100644
index 0000000..e528df1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateIdentityUserCommand.cs
@@ -0,0 +1,66 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Enums;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 创建用户命令。
+/// </summary>
+public sealed record CreateIdentityUserCommand : IRequest<UserDetailDto>
+{
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 登录账号。
+    /// </summary>
+    [Required]
+    [StringLength(64)]
+    public string Account { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 展示名称。
+    /// </summary>
+    [Required]
+    [StringLength(64)]
+    public string DisplayName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 初始密码。
+    /// </summary>
+    [Required]
+    [StringLength(32, MinimumLength = 6)]
+    public string Password { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 手机号。
+    /// </summary>
+    [StringLength(32)]
+    public string? Phone { get; init; }
+
+    /// <summary>
+    /// 邮箱。
+    /// </summary>
+    [StringLength(128)]
+    public string? Email { get; init; }
+
+    /// <summary>
+    /// 头像地址。
+    /// </summary>
+    [StringLength(512)]
+    public string? Avatar { get; init; }
+
+    /// <summary>
+    /// 角色 ID 列表（字符串）。
+    /// </summary>
+    public string[] RoleIds { get; init; } = Array.Empty<string>();
+
+    /// <summary>
+    /// 初始状态。
+    /// </summary>
+    public IdentityUserStatus? Status { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateMenuCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateMenuCommand.cs
new file mode 100644
index 0000000..8366de2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateMenuCommand.cs
@@ -0,0 +1,81 @@
+using MediatR;
+using System.Collections.Generic;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 创建菜单命令。
+/// </summary>
+public sealed record CreateMenuCommand : IRequest<MenuDefinitionDto>
+{
+    /// <summary>
+    /// 父级菜单 ID。
+    /// </summary>
+    public long ParentId { get; init; }
+
+    /// <summary>
+    /// 菜单名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 路由路径。
+    /// </summary>
+    public string Path { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 前端组件路径。
+    /// </summary>
+    public string Component { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 显示标题。
+    /// </summary>
+    public string Title { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 图标。
+    /// </summary>
+    public string? Icon { get; init; }
+
+    /// <summary>
+    /// 是否外链。
+    /// </summary>
+    public bool IsIframe { get; init; }
+
+    /// <summary>
+    /// 外链地址。
+    /// </summary>
+    public string? Link { get; init; }
+
+    /// <summary>
+    /// 是否缓存。
+    /// </summary>
+    public bool KeepAlive { get; init; }
+
+    /// <summary>
+    /// 排序序号。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 访问所需权限。
+    /// </summary>
+    public IReadOnlyCollection<string> RequiredPermissions { get; init; } = [];
+
+    /// <summary>
+    /// 元信息权限。
+    /// </summary>
+    public IReadOnlyCollection<string> MetaPermissions { get; init; } = [];
+
+    /// <summary>
+    /// 元信息角色。
+    /// </summary>
+    public IReadOnlyCollection<string> MetaRoles { get; init; } = [];
+
+    /// <summary>
+    /// 按钮权限集合。
+    /// </summary>
+    public IReadOnlyCollection<MenuAuthItemDto> AuthList { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreatePermissionCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreatePermissionCommand.cs
new file mode 100644
index 0000000..80d1587
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreatePermissionCommand.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 创建权限。
+/// </summary>
+public sealed record CreatePermissionCommand : IRequest<PermissionDto>
+{
+    /// <summary>
+    /// 父级权限 ID。
+    /// </summary>
+    public long ParentId { get; init; } = 0;
+
+    /// <summary>
+    /// 排序序号。
+    /// </summary>
+    public int SortOrder { get; init; } = 0;
+
+    /// <summary>
+    /// 权限类型（group/leaf）。
+    /// </summary>
+    public string Type { get; init; } = "leaf";
+
+    /// <summary>
+    /// 权限名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 权限编码。
+    /// </summary>
+    public string Code { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleCommand.cs
new file mode 100644
index 0000000..d6318c5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 创建角色。
+/// </summary>
+public sealed record CreateRoleCommand : IRequest<RoleDto>
+{
+    /// <summary>
+    /// 租户 ID（空则取当前上下文）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 角色名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 角色编码。
+    /// </summary>
+    public string Code { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs
new file mode 100644
index 0000000..de2bd4c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 创建角色模板命令。
+/// </summary>
+public sealed record CreateRoleTemplateCommand : IRequest<RoleTemplateDto>
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 模板名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 模板描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsActive { get; init; } = true;
+
+    /// <summary>
+    /// 权限编码集合。
+    /// </summary>
+    public IReadOnlyCollection<string> PermissionCodes { get; init; } = Array.Empty<string>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteIdentityUserCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteIdentityUserCommand.cs
new file mode 100644
index 0000000..bf056f6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteIdentityUserCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 删除用户命令。
+/// </summary>
+public sealed record DeleteIdentityUserCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteMenuCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteMenuCommand.cs
new file mode 100644
index 0000000..3b3baca
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteMenuCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 删除菜单命令。
+/// </summary>
+public sealed record DeleteMenuCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 菜单 ID。
+    /// </summary>
+    public long Id { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/DeletePermissionCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeletePermissionCommand.cs
new file mode 100644
index 0000000..172d79c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeletePermissionCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 删除权限。
+/// </summary>
+public sealed record DeletePermissionCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 权限 ID。
+    /// </summary>
+    public long PermissionId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteRoleCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteRoleCommand.cs
new file mode 100644
index 0000000..d23a216
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteRoleCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 删除角色。
+/// </summary>
+public sealed record DeleteRoleCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 角色 ID。
+    /// </summary>
+    public long RoleId { get; init; }
+
+    /// <summary>
+    /// 租户 ID（空则取当前上下文）。
+    /// </summary>
+    public long? TenantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteRoleTemplateCommand.cs
new file mode 100644
index 0000000..7f29db6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/DeleteRoleTemplateCommand.cs
@@ -0,0 +1,14 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 删除角色模板命令。
+/// </summary>
+public sealed record DeleteRoleTemplateCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs
new file mode 100644
index 0000000..7eb39f9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 批量为当前租户初始化角色模板。
+/// </summary>
+public sealed record InitializeRoleTemplatesCommand : IRequest<IReadOnlyList<RoleDto>>
+{
+    /// <summary>
+    /// 需要初始化的模板编码列表（为空则全部）。
+    /// </summary>
+    public IReadOnlyCollection<string>? TemplateCodes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/ResetAdminPasswordByTokenCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/ResetAdminPasswordByTokenCommand.cs
new file mode 100644
index 0000000..52bdb13
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/ResetAdminPasswordByTokenCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 通过重置链接令牌重置管理员密码命令。
+/// </summary>
+public sealed record ResetAdminPasswordByTokenCommand : IRequest
+{
+    /// <summary>
+    /// 一次性重置令牌。
+    /// </summary>
+    public required string Token { get; init; }
+
+    /// <summary>
+    /// 新密码（明文，仅用于服务端哈希）。
+    /// </summary>
+    public required string NewPassword { get; init; }
+}
+
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/ResetIdentityUserPasswordCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/ResetIdentityUserPasswordCommand.cs
new file mode 100644
index 0000000..9cda914
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/ResetIdentityUserPasswordCommand.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 生成用户重置密码链接命令。
+/// </summary>
+public sealed record ResetIdentityUserPasswordCommand : IRequest<ResetIdentityUserPasswordResult>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/RestoreIdentityUserCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/RestoreIdentityUserCommand.cs
new file mode 100644
index 0000000..c28ae28
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/RestoreIdentityUserCommand.cs
@@ -0,0 +1,19 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 恢复用户命令。
+/// </summary>
+public sealed record RestoreIdentityUserCommand : IRequest<bool>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateIdentityUserCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateIdentityUserCommand.cs
new file mode 100644
index 0000000..1aeb098
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateIdentityUserCommand.cs
@@ -0,0 +1,56 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 更新用户命令。
+/// </summary>
+public sealed record UpdateIdentityUserCommand : IRequest<UserDetailDto?>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 目标租户 ID（可选，默认当前登录租户；禁止跨租户操作）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 展示名称。
+    /// </summary>
+    [Required]
+    [StringLength(64)]
+    public string DisplayName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 手机号。
+    /// </summary>
+    [StringLength(32)]
+    public string? Phone { get; init; }
+
+    /// <summary>
+    /// 邮箱。
+    /// </summary>
+    [StringLength(128)]
+    public string? Email { get; init; }
+
+    /// <summary>
+    /// 头像地址。
+    /// </summary>
+    [StringLength(512)]
+    public string? Avatar { get; init; }
+
+    /// <summary>
+    /// 角色 ID 列表（字符串）。
+    /// </summary>
+    public string[]? RoleIds { get; init; }
+
+    /// <summary>
+    /// 并发控制版本（兼容字段，当前由数据库 xmin 托管）。
+    /// </summary>
+    public byte[]? RowVersion { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateMenuCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateMenuCommand.cs
new file mode 100644
index 0000000..dd28eea
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateMenuCommand.cs
@@ -0,0 +1,86 @@
+using MediatR;
+using System.Collections.Generic;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 更新菜单命令。
+/// </summary>
+public sealed record UpdateMenuCommand : IRequest<MenuDefinitionDto?>
+{
+    /// <summary>
+    /// 菜单 ID。
+    /// </summary>
+    public long Id { get; init; }
+
+    /// <summary>
+    /// 父级菜单 ID。
+    /// </summary>
+    public long ParentId { get; init; }
+
+    /// <summary>
+    /// 菜单名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 路由路径。
+    /// </summary>
+    public string Path { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 前端组件路径。
+    /// </summary>
+    public string Component { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 显示标题。
+    /// </summary>
+    public string Title { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 图标。
+    /// </summary>
+    public string? Icon { get; init; }
+
+    /// <summary>
+    /// 是否外链。
+    /// </summary>
+    public bool IsIframe { get; init; }
+
+    /// <summary>
+    /// 外链地址。
+    /// </summary>
+    public string? Link { get; init; }
+
+    /// <summary>
+    /// 是否缓存。
+    /// </summary>
+    public bool KeepAlive { get; init; }
+
+    /// <summary>
+    /// 排序序号。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 访问所需权限。
+    /// </summary>
+    public IReadOnlyCollection<string> RequiredPermissions { get; init; } = [];
+
+    /// <summary>
+    /// 元信息权限。
+    /// </summary>
+    public IReadOnlyCollection<string> MetaPermissions { get; init; } = [];
+
+    /// <summary>
+    /// 元信息角色。
+    /// </summary>
+    public IReadOnlyCollection<string> MetaRoles { get; init; } = [];
+
+    /// <summary>
+    /// 按钮权限集合。
+    /// </summary>
+    public IReadOnlyCollection<MenuAuthItemDto> AuthList { get; init; } = [];
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdatePermissionCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdatePermissionCommand.cs
new file mode 100644
index 0000000..0f85127
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdatePermissionCommand.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 更新权限。
+/// </summary>
+public sealed record UpdatePermissionCommand : IRequest<PermissionDto?>
+{
+    /// <summary>
+    /// 权限 ID。
+    /// </summary>
+    public long PermissionId { get; init; }
+
+    /// <summary>
+    /// 父级权限 ID。
+    /// </summary>
+    public long ParentId { get; init; }
+
+    /// <summary>
+    /// 排序序号。
+    /// </summary>
+    public int SortOrder { get; init; }
+
+    /// <summary>
+    /// 权限类型（group/leaf）。
+    /// </summary>
+    public string Type { get; init; } = "leaf";
+
+    /// <summary>
+    /// 权限名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleCommand.cs
new file mode 100644
index 0000000..caa5d0d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleCommand.cs
@@ -0,0 +1,30 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 更新角色。
+/// </summary>
+public sealed record UpdateRoleCommand : IRequest<RoleDto?>
+{
+    /// <summary>
+    /// 角色 ID。
+    /// </summary>
+    public long RoleId { get; init; }
+
+    /// <summary>
+    /// 租户 ID（空则取当前上下文）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 角色名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 角色描述。
+    /// </summary>
+    public string? Description { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs
new file mode 100644
index 0000000..ee6d5bf
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Commands;
+
+/// <summary>
+/// 更新角色模板命令。
+/// </summary>
+public sealed record UpdateRoleTemplateCommand : IRequest<RoleTemplateDto?>
+{
+    /// <summary>
+    /// 模板编码（路径参数）。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 模板名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 模板描述。
+    /// </summary>
+    public string? Description { get; init; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsActive { get; init; } = true;
+
+    /// <summary>
+    /// 权限编码集合。
+    /// </summary>
+    public IReadOnlyCollection<string> PermissionCodes { get; init; } = Array.Empty<string>();
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Events/IdentityUserOperationLogMessage.cs b/src/Application/TakeoutSaaS.Application/Identity/Events/IdentityUserOperationLogMessage.cs
new file mode 100644
index 0000000..611a3b9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Events/IdentityUserOperationLogMessage.cs
@@ -0,0 +1,47 @@
+namespace TakeoutSaaS.Application.Identity.Events;
+
+/// <summary>
+/// 身份用户操作日志消息。
+/// </summary>
+public sealed record IdentityUserOperationLogMessage
+{
+    /// <summary>
+    /// 操作类型。
+    /// </summary>
+    public string OperationType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 目标类型。
+    /// </summary>
+    public string TargetType { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 目标 ID 列表（JSON）。
+    /// </summary>
+    public string? TargetIds { get; init; }
+
+    /// <summary>
+    /// 操作人 ID。
+    /// </summary>
+    public string? OperatorId { get; init; }
+
+    /// <summary>
+    /// 操作人名称。
+    /// </summary>
+    public string? OperatorName { get; init; }
+
+    /// <summary>
+    /// 操作参数（JSON）。
+    /// </summary>
+    public string? Parameters { get; init; }
+
+    /// <summary>
+    /// 操作结果（JSON）。
+    /// </summary>
+    public string? Result { get; init; }
+
+    /// <summary>
+    /// 是否成功。
+    /// </summary>
+    public bool Success { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Extensions/IdentityServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/Identity/Extensions/IdentityServiceCollectionExtensions.cs
new file mode 100644
index 0000000..c5df667
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Extensions/IdentityServiceCollectionExtensions.cs
@@ -0,0 +1,28 @@
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Services;
+
+namespace TakeoutSaaS.Application.Identity.Extensions;
+
+/// <summary>
+/// 应用层身份认证服务注入
+/// </summary>
+public static class IdentityServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册身份认证相关应用服务
+    /// </summary>
+    /// <param name="services">服务集合</param>
+    /// <param name="enableMiniSupport">是否注册小程序认证服务</param>
+    public static IServiceCollection AddIdentityApplication(this IServiceCollection services, bool enableMiniSupport = false)
+    {
+        services.AddScoped<IAdminAuthService, AdminAuthService>();
+
+        if (enableMiniSupport)
+        {
+            services.AddScoped<IMiniAuthService, MiniAuthService>();
+        }
+
+        return services;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/AssignUserRolesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/AssignUserRolesCommandHandler.cs
new file mode 100644
index 0000000..df00a53
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/AssignUserRolesCommandHandler.cs
@@ -0,0 +1,34 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 用户角色分配处理器。
+/// </summary>
+public sealed class AssignUserRolesCommandHandler(
+    IUserRoleRepository userRoleRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<AssignUserRolesCommand, bool>
+{
+    /// <summary>
+    /// 处理用户角色分配请求。
+    /// </summary>
+    /// <param name="request">分配命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(AssignUserRolesCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 覆盖式绑定角色
+        await userRoleRepository.ReplaceUserRolesAsync(tenantId, request.UserId, request.RoleIds, cancellationToken);
+        await userRoleRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/BatchIdentityUserOperationCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/BatchIdentityUserOperationCommandHandler.cs
new file mode 100644
index 0000000..1d88f67
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/BatchIdentityUserOperationCommandHandler.cs
@@ -0,0 +1,314 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Application.Identity.Models;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 批量用户操作处理器。
+/// </summary>
+public sealed class BatchIdentityUserOperationCommandHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher)
+    : IRequestHandler<BatchIdentityUserOperationCommand, BatchIdentityUserOperationResult>
+{
+    /// <inheritdoc />
+    public async Task<BatchIdentityUserOperationResult> Handle(BatchIdentityUserOperationCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户批量操作用户");
+        }
+
+        // 3. 解析用户 ID 列表
+        var tenantId = currentTenantId;
+        var userIds = ParseIds(request.UserIds, "用户");
+        if (userIds.Length == 0)
+        {
+            return new BatchIdentityUserOperationResult
+            {
+                SuccessCount = 0,
+                FailureCount = 0,
+                Failures = Array.Empty<BatchIdentityUserFailureItem>(),
+                ExportItems = Array.Empty<UserListItemDto>()
+            };
+        }
+
+        // 4. 查询目标用户集合
+        var includeDeleted = request.Operation == IdentityUserBatchOperation.Restore;
+        var users = await identityUserRepository.GetForUpdateByIdsAsync(tenantId, userIds, includeDeleted, cancellationToken);
+        var usersById = users.ToDictionary(user => user.Id, user => user, EqualityComparer<long>.Default);
+
+        // 5. 预计算租户管理员约束
+        var tenantAdminRole = await roleRepository.FindByCodeAsync("tenant-admin", tenantId, cancellationToken);
+        var tenantAdminUserIds = tenantAdminRole == null
+            ? Array.Empty<long>()
+            : (await userRoleRepository.GetByUserIdsAsync(tenantId, usersById.Keys, cancellationToken))
+                .Where(x => x.RoleId == tenantAdminRole.Id)
+                .Select(x => x.UserId)
+                .Distinct()
+                .ToArray();
+        var activeAdminCount = tenantAdminRole == null
+            ? 0
+            : (await identityUserRepository.SearchPagedAsync(new IdentityUserSearchFilter
+            {
+                TenantId = tenantId,
+                RoleId = tenantAdminRole.Id,
+                Status = IdentityUserStatus.Active,
+                IncludeDeleted = false,
+                Page = 1,
+                PageSize = 1
+            }, cancellationToken)).Total;
+        var remainingActiveAdmins = activeAdminCount;
+
+        // 6. 执行批量操作
+        var failures = new List<BatchIdentityUserFailureItem>();
+        var successCount = 0;
+        var exportItems = new List<UserListItemDto>();
+        foreach (var userId in userIds)
+        {
+            if (!usersById.TryGetValue(userId, out var user))
+            {
+                failures.Add(new BatchIdentityUserFailureItem
+                {
+                    UserId = userId,
+                    Reason = "用户不存在"
+                });
+                continue;
+            }
+
+            try
+            {
+                switch (request.Operation)
+                {
+                    case IdentityUserBatchOperation.Enable:
+                        user.Status = IdentityUserStatus.Active;
+                        user.LockedUntil = null;
+                        user.FailedLoginCount = 0;
+                        await identityUserRepository.SaveChangesAsync(cancellationToken);
+                        successCount++;
+                        break;
+                    case IdentityUserBatchOperation.Disable:
+                        if (user.Status == IdentityUserStatus.Active
+                            && tenantAdminUserIds.Contains(user.Id)
+                            && remainingActiveAdmins <= 1)
+                        {
+                            throw new BusinessException(ErrorCodes.Conflict, "至少保留一个管理员");
+                        }
+
+                        if (user.Status == IdentityUserStatus.Active && tenantAdminUserIds.Contains(user.Id))
+                        {
+                            remainingActiveAdmins--;
+                        }
+
+                        user.Status = IdentityUserStatus.Disabled;
+                        user.LockedUntil = null;
+                        await identityUserRepository.SaveChangesAsync(cancellationToken);
+                        successCount++;
+                        break;
+                    case IdentityUserBatchOperation.Delete:
+                        if (user.Status == IdentityUserStatus.Active
+                            && tenantAdminUserIds.Contains(user.Id)
+                            && remainingActiveAdmins <= 1)
+                        {
+                            throw new BusinessException(ErrorCodes.Conflict, "至少保留一个管理员");
+                        }
+
+                        if (user.Status == IdentityUserStatus.Active && tenantAdminUserIds.Contains(user.Id))
+                        {
+                            remainingActiveAdmins--;
+                        }
+
+                        await identityUserRepository.RemoveAsync(user, cancellationToken);
+                        await identityUserRepository.SaveChangesAsync(cancellationToken);
+                        successCount++;
+                        break;
+                    case IdentityUserBatchOperation.Restore:
+                        if (!user.DeletedAt.HasValue)
+                        {
+                            throw new BusinessException(ErrorCodes.BadRequest, "用户未删除");
+                        }
+
+                        user.DeletedAt = null;
+                        user.DeletedBy = null;
+                        await identityUserRepository.SaveChangesAsync(cancellationToken);
+                        successCount++;
+                        break;
+                    case IdentityUserBatchOperation.Export:
+                        successCount++;
+                        break;
+                    default:
+                        throw new BusinessException(ErrorCodes.BadRequest, "无效的批量操作类型");
+                }
+            }
+            catch (Exception ex) when (IsConcurrencyException(ex))
+            {
+                failures.Add(new BatchIdentityUserFailureItem
+                {
+                    UserId = userId,
+                    Reason = "用户数据已被修改，请刷新后重试"
+                });
+            }
+            catch (BusinessException ex)
+            {
+                failures.Add(new BatchIdentityUserFailureItem
+                {
+                    UserId = userId,
+                    Reason = ex.Message
+                });
+            }
+        }
+        // 6.1 处理导出数据
+        if (request.Operation == IdentityUserBatchOperation.Export)
+        {
+            var roleCodesLookup = await ResolveRoleCodesAsync(users, userRoleRepository, roleRepository, cancellationToken);
+            var now = DateTime.UtcNow;
+            exportItems.AddRange(users.Select(user => new UserListItemDto
+            {
+                UserId = user.Id,
+                TenantId = user.TenantId,
+                Account = user.Account,
+                DisplayName = user.DisplayName,
+                Avatar = user.Avatar,
+                Phone = user.Phone,
+                Email = user.Email,
+                Status = user.Status,
+                IsLocked = user.Status == IdentityUserStatus.Locked || (user.LockedUntil.HasValue && user.LockedUntil.Value > now),
+                IsDeleted = user.DeletedAt.HasValue,
+                Roles = roleCodesLookup.TryGetValue(user.Id, out var codes) ? codes : Array.Empty<string>(),
+                CreatedAt = user.CreatedAt,
+                LastLoginAt = user.LastLoginAt
+            }));
+        }
+
+        // 7. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:batch",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(userIds),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new { tenantId, operation = request.Operation.ToString() }),
+            Result = JsonSerializer.Serialize(new { successCount, failureCount = failures.Count }),
+            Success = failures.Count == 0
+        };
+
+        // 8. 写入 Outbox 并保存变更
+        await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+        return new BatchIdentityUserOperationResult
+        {
+            SuccessCount = successCount,
+            FailureCount = failures.Count,
+            Failures = failures,
+            ExportItems = exportItems
+        };
+    }
+
+    private static long[] ParseIds(string[] values, string name)
+    {
+        // 1. 空数组直接返回
+        if (values.Length == 0)
+        {
+            return Array.Empty<long>();
+        }
+
+        // 2. 解析并去重
+        var ids = new List<long>(values.Length);
+        foreach (var value in values)
+        {
+            if (!long.TryParse(value, out var id) || id <= 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, $"{name} ID 无效");
+            }
+
+            ids.Add(id);
+        }
+
+        // 3. 返回去重结果
+        return ids.Distinct().ToArray();
+    }
+
+    private static async Task<Dictionary<long, string[]>> ResolveRoleCodesAsync(
+        IReadOnlyList<IdentityUser> users,
+        IUserRoleRepository userRoleRepository,
+        IRoleRepository roleRepository,
+        CancellationToken cancellationToken)
+    {
+        // 1. 预分配字典容量
+        var result = new Dictionary<long, string[]>(users.Count);
+
+        // 2. 按租户分组，降低角色查询次数
+        foreach (var group in users.GroupBy(user => user.TenantId))
+        {
+            var tenantId = group.Key;
+            var userIds = group.Select(user => user.Id).Distinct().ToArray();
+            if (userIds.Length == 0)
+            {
+                continue;
+            }
+
+            // 3. 查询用户角色映射
+            var relations = await userRoleRepository.GetByUserIdsAsync(tenantId, userIds, cancellationToken);
+            if (relations.Count == 0)
+            {
+                continue;
+            }
+
+            // 4. 查询角色并构建映射
+            var roleIds = relations.Select(x => x.RoleId).Distinct().ToArray();
+            var roles = roleIds.Length == 0
+                ? Array.Empty<Role>()
+                : await roleRepository.GetByIdsAsync(tenantId, roleIds, cancellationToken);
+            var roleCodeMap = roles.ToDictionary(role => role.Id, role => role.Code, EqualityComparer<long>.Default);
+
+            // 5. 组装用户角色编码列表
+            foreach (var relationGroup in relations.GroupBy(x => x.UserId))
+            {
+                var codes = relationGroup
+                    .Select(x => roleCodeMap.TryGetValue(x.RoleId, out var code) ? code : null)
+                    .OfType<string>()
+                    .Where(code => !string.IsNullOrWhiteSpace(code))
+                    .Distinct(StringComparer.OrdinalIgnoreCase)
+                    .ToArray();
+                result[relationGroup.Key] = codes.Length == 0 ? Array.Empty<string>() : codes;
+            }
+        }
+
+        return result;
+    }
+
+    private static bool IsConcurrencyException(Exception exception)
+        => string.Equals(exception.GetType().Name, "DbUpdateConcurrencyException", StringComparison.Ordinal);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/BindRolePermissionsCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/BindRolePermissionsCommandHandler.cs
new file mode 100644
index 0000000..4928a72
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/BindRolePermissionsCommandHandler.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 绑定角色权限处理器。
+/// </summary>
+public sealed class BindRolePermissionsCommandHandler(
+    IRolePermissionRepository rolePermissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<BindRolePermissionsCommand, bool>
+{
+    /// <summary>
+    /// 处理角色权限绑定请求。
+    /// </summary>
+    /// <param name="request">绑定命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(BindRolePermissionsCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户操作
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户操作角色权限");
+        }
+
+        // 3. (空行后) 覆盖式绑定权限
+        var tenantId = currentTenantId;
+
+        var distinctPermissionIds = request.PermissionIds
+            .Where(id => id > 0)
+            .Distinct()
+            .ToArray();
+
+        await rolePermissionRepository.ReplaceRolePermissionsAsync(tenantId, request.RoleId, distinctPermissionIds, cancellationToken);
+        await rolePermissionRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. (空行后) 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ChangeIdentityUserStatusCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ChangeIdentityUserStatusCommandHandler.cs
new file mode 100644
index 0000000..4028bb6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ChangeIdentityUserStatusCommandHandler.cs
@@ -0,0 +1,146 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 更新用户状态处理器。
+/// </summary>
+public sealed class ChangeIdentityUserStatusCommandHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher)
+    : IRequestHandler<ChangeIdentityUserStatusCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(ChangeIdentityUserStatusCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户修改用户状态");
+        }
+
+        // 3. 查询用户实体
+        var user = await identityUserRepository.GetForUpdateAsync(request.UserId, cancellationToken);
+        if (user == null)
+        {
+            return false;
+        }
+
+        if (user.TenantId != currentTenantId)
+        {
+            return false;
+        }
+
+        // 4. 校验租户管理员保留规则
+        if (request.Status == IdentityUserStatus.Disabled && user.Status == IdentityUserStatus.Active)
+        {
+            await EnsureNotLastActiveTenantAdminAsync(user.TenantId, user.Id, cancellationToken);
+        }
+
+        // 5. 更新状态
+        var previousStatus = user.Status;
+        switch (request.Status)
+        {
+            case IdentityUserStatus.Active:
+                user.Status = IdentityUserStatus.Active;
+                user.LockedUntil = null;
+                user.FailedLoginCount = 0;
+                break;
+            case IdentityUserStatus.Disabled:
+                user.Status = IdentityUserStatus.Disabled;
+                user.LockedUntil = null;
+                break;
+            case IdentityUserStatus.Locked:
+                user.Status = IdentityUserStatus.Locked;
+                user.LockedUntil = null;
+                break;
+            default:
+                throw new BusinessException(ErrorCodes.BadRequest, "无效的用户状态");
+        }
+
+        // 6. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:status-change",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(new[] { user.Id }),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new
+            {
+                userId = user.Id,
+                tenantId = user.TenantId,
+                previousStatus = previousStatus.ToString(),
+                currentStatus = user.Status.ToString()
+            }),
+            Result = JsonSerializer.Serialize(new { userId = user.Id }),
+            Success = true
+        };
+
+        // 7. 写入 Outbox 并保存变更
+        await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+        return true;
+    }
+
+    private async Task EnsureNotLastActiveTenantAdminAsync(long tenantId, long userId, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户管理员角色
+        var tenantAdminRole = await roleRepository.FindByCodeAsync("tenant-admin", tenantId, cancellationToken);
+        if (tenantAdminRole == null)
+        {
+            return;
+        }
+
+        // 2. 判断用户是否为租户管理员
+        var relations = await userRoleRepository.GetByUserIdAsync(tenantId, userId, cancellationToken);
+        if (!relations.Any(x => x.RoleId == tenantAdminRole.Id))
+        {
+            return;
+        }
+
+        // 3. 统计活跃管理员数量
+        var filter = new IdentityUserSearchFilter
+        {
+            TenantId = tenantId,
+            RoleId = tenantAdminRole.Id,
+            Status = IdentityUserStatus.Active,
+            IncludeDeleted = false,
+            Page = 1,
+            PageSize = 1
+        };
+        var result = await identityUserRepository.SearchPagedAsync(filter, cancellationToken);
+        if (result.Total <= 1)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "至少保留一个管理员");
+        }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CloneRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CloneRoleTemplateCommandHandler.cs
new file mode 100644
index 0000000..b4bde94
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CloneRoleTemplateCommandHandler.cs
@@ -0,0 +1,73 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色模板克隆处理器。
+/// </summary>
+public sealed class CloneRoleTemplateCommandHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<CloneRoleTemplateCommand, RoleTemplateDto>
+{
+    /// <inheritdoc />
+    public async Task<RoleTemplateDto> Handle(CloneRoleTemplateCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验源模板是否存在
+        var source = await roleTemplateRepository.FindByCodeAsync(request.SourceTemplateCode, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, $"角色模板 {request.SourceTemplateCode} 不存在");
+
+        // 2. 校验新模板编码是否冲突
+        var exists = await roleTemplateRepository.FindByCodeAsync(request.NewTemplateCode, cancellationToken);
+        if (exists is not null)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"角色模板编码 {request.NewTemplateCode} 已存在");
+        }
+
+        // 3. 获取源模板权限
+        var sourcePermissions = await roleTemplateRepository.GetPermissionsAsync(source.Id, cancellationToken);
+        var permissionCodes = request.PermissionCodes is not null && request.PermissionCodes.Count > 0
+            ? request.PermissionCodes.Distinct(StringComparer.OrdinalIgnoreCase).ToArray()
+            : sourcePermissions
+                .Select(x => x.PermissionCode)
+                .Where(code => !string.IsNullOrWhiteSpace(code))
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .ToArray();
+
+        // 4. 构造新模板实体
+        var target = new RoleTemplate
+        {
+            TemplateCode = request.NewTemplateCode.Trim(),
+            Name = string.IsNullOrWhiteSpace(request.Name) ? source.Name : request.Name.Trim(),
+            Description = request.Description ?? source.Description,
+            IsActive = request.IsActive ?? source.IsActive
+        };
+
+        // 5. 持久化新模板与权限
+        await roleTemplateRepository.AddAsync(target, permissionCodes, cancellationToken);
+        await roleTemplateRepository.SaveChangesAsync(cancellationToken);
+
+        // 6. 映射返回 DTO
+        var permissionDtos = permissionCodes
+            .Select(code => new PermissionTemplateDto
+            {
+                Code = code,
+                Name = code,
+                Description = code
+            })
+            .ToList();
+
+        return new RoleTemplateDto
+        {
+            TemplateCode = target.TemplateCode,
+            Name = target.Name,
+            Description = target.Description,
+            IsActive = target.IsActive,
+            Permissions = permissionDtos
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs
new file mode 100644
index 0000000..cc840af
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs
@@ -0,0 +1,129 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色模板复制处理器。
+/// </summary>
+public sealed class CopyRoleTemplateCommandHandler(
+    IRoleTemplateRepository roleTemplateRepository,
+    IRoleRepository roleRepository,
+    IPermissionRepository permissionRepository,
+    IRolePermissionRepository rolePermissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<CopyRoleTemplateCommand, RoleDto>
+{
+    /// <inheritdoc />
+    public async Task<RoleDto> Handle(CopyRoleTemplateCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询模板与模板权限
+        var template = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, $"角色模板 {request.TemplateCode} 不存在");
+
+        var templatePermissions = await roleTemplateRepository.GetPermissionsAsync(template.Id, cancellationToken);
+        var permissionCodes = templatePermissions
+            .Select(x => x.PermissionCode)
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        // 2. 计算角色名称/编码与描述
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var roleCode = string.IsNullOrWhiteSpace(request.RoleCode) ? template.TemplateCode : request.RoleCode.Trim();
+        var roleName = string.IsNullOrWhiteSpace(request.RoleName) ? template.Name : request.RoleName.Trim();
+        var roleDescription = request.Description ?? template.Description;
+
+        // 1. 准备或更新角色主体（幂等创建）。
+        var role = await roleRepository.FindByCodeAsync(roleCode, tenantId, cancellationToken);
+        if (role is null)
+        {
+            role = new Role
+            {
+                TenantId = tenantId,
+                Name = roleName,
+                Code = roleCode,
+                Description = roleDescription
+            };
+            await roleRepository.AddAsync(role, cancellationToken);
+        }
+        else
+        {
+            if (!string.IsNullOrWhiteSpace(request.RoleName))
+            {
+                role.Name = roleName;
+            }
+
+            if (request.Description is not null)
+            {
+                role.Description = roleDescription;
+            }
+
+            await roleRepository.UpdateAsync(role, cancellationToken);
+        }
+
+        // 3. 确保模板权限全部存在，不存在则按模板定义创建。
+        var existingPermissions = await permissionRepository.GetByCodesAsync(tenantId, permissionCodes, cancellationToken);
+        var permissionMap = existingPermissions.ToDictionary(x => x.Code, StringComparer.OrdinalIgnoreCase);
+
+        foreach (var code in permissionCodes)
+        {
+            if (permissionMap.ContainsKey(code))
+            {
+                continue;
+            }
+
+            var permission = new Permission
+            {
+                Name = code,
+                Code = code,
+                Description = code
+            };
+
+            await permissionRepository.AddAsync(permission, cancellationToken);
+            permissionMap[code] = permission;
+        }
+
+        await roleRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 绑定缺失的权限，保留租户自定义的已有授权。
+        var rolePermissions = await rolePermissionRepository.GetByRoleIdsAsync(tenantId, new[] { role.Id }, cancellationToken);
+        var existingPermissionIds = rolePermissions
+            .Select(x => x.PermissionId)
+            .ToHashSet();
+
+        var targetPermissionIds = permissionCodes
+            .Select(code => permissionMap[code].Id)
+            .ToHashSet();
+
+        var toAdd = targetPermissionIds.Except(existingPermissionIds).ToArray();
+        if (toAdd.Length > 0)
+        {
+            var relations = toAdd.Select(permissionId => new RolePermission
+            {
+                TenantId = tenantId,
+                RoleId = role.Id,
+                PermissionId = permissionId
+            });
+
+            await rolePermissionRepository.AddRangeAsync(relations, cancellationToken);
+        }
+
+        await rolePermissionRepository.SaveChangesAsync(cancellationToken);
+
+        return new RoleDto
+        {
+            Id = role.Id,
+            TenantId = role.TenantId,
+            Name = role.Name,
+            Code = role.Code,
+            Description = role.Description
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateIdentityUserCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateIdentityUserCommandHandler.cs
new file mode 100644
index 0000000..b031905
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateIdentityUserCommandHandler.cs
@@ -0,0 +1,190 @@
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 创建用户处理器。
+/// </summary>
+public sealed class CreateIdentityUserCommandHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    IPasswordHasher<IdentityUser> passwordHasher,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher,
+    IIdGenerator idGenerator,
+    IMediator mediator)
+    : IRequestHandler<CreateIdentityUserCommand, UserDetailDto>
+{
+    /// <inheritdoc />
+    public async Task<UserDetailDto> Handle(CreateIdentityUserCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户创建用户");
+        }
+
+        // 3. 规范化输入并准备校验
+        var tenantId = currentTenantId;
+        var account = request.Account.Trim();
+        var displayName = request.DisplayName.Trim();
+        var phone = string.IsNullOrWhiteSpace(request.Phone) ? null : request.Phone.Trim();
+        var email = string.IsNullOrWhiteSpace(request.Email) ? null : request.Email.Trim();
+        var roleIds = ParseIds(request.RoleIds, "角色");
+
+        // 4. 唯一性校验
+        if (await identityUserRepository.ExistsByAccountAsync(tenantId, account, null, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "账号已存在");
+        }
+
+        if (!string.IsNullOrWhiteSpace(phone)
+            && await identityUserRepository.ExistsByPhoneAsync(tenantId, phone, null, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "手机号已存在");
+        }
+
+        if (!string.IsNullOrWhiteSpace(email)
+            && await identityUserRepository.ExistsByEmailAsync(tenantId, email, null, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "邮箱已存在");
+        }
+
+        // 5. 校验角色合法性
+        if (roleIds.Length > 0)
+        {
+            var roles = await roleRepository.GetByIdsAsync(tenantId, roleIds, cancellationToken);
+            if (roles.Count != roleIds.Length)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "角色列表包含无效项");
+            }
+        }
+
+        // 6. 创建用户实体
+        var user = new IdentityUser
+        {
+            Id = idGenerator.NextId(),
+            TenantId = tenantId,
+            Account = account,
+            DisplayName = displayName,
+            Phone = phone,
+            Email = email,
+            Avatar = string.IsNullOrWhiteSpace(request.Avatar) ? null : request.Avatar.Trim(),
+            Status = request.Status ?? IdentityUserStatus.Active,
+            FailedLoginCount = 0,
+            LockedUntil = null,
+            LastLoginAt = null,
+            MustChangePassword = false,
+            PasswordHash = string.Empty
+        };
+        user.PasswordHash = passwordHasher.HashPassword(user, request.Password);
+
+        // 7. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:create",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(new[] { user.Id }),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new
+            {
+                tenantId,
+                account,
+                displayName,
+                phone,
+                email,
+                roleIds
+            }),
+            Result = JsonSerializer.Serialize(new { userId = user.Id }),
+            Success = true
+        };
+
+        // 8. 持久化用户并写入 Outbox
+        await identityUserRepository.AddAsync(user, cancellationToken);
+        await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+        // 9. 绑定角色
+        if (roleIds.Length > 0)
+        {
+            await userRoleRepository.ReplaceUserRolesAsync(tenantId, user.Id, roleIds, cancellationToken);
+        }
+
+        // 10. 返回用户详情
+        var detail = await mediator.Send(new GetIdentityUserDetailQuery { UserId = user.Id }, cancellationToken);
+        return detail ?? new UserDetailDto
+        {
+            UserId = user.Id,
+            TenantId = user.TenantId,
+            MerchantId = user.MerchantId,
+            Account = user.Account,
+            DisplayName = user.DisplayName,
+            Phone = user.Phone,
+            Email = user.Email,
+            Status = user.Status,
+            IsLocked = false,
+            Roles = Array.Empty<string>(),
+            RoleIds = Array.Empty<string>(),
+            Permissions = Array.Empty<string>(),
+            CreatedAt = user.CreatedAt,
+            LastLoginAt = user.LastLoginAt,
+            Avatar = user.Avatar,
+            RowVersion = user.RowVersion
+        };
+    }
+
+    private static long[] ParseIds(string[] values, string name)
+    {
+        // 1. 空数组直接返回
+        if (values.Length == 0)
+        {
+            return Array.Empty<long>();
+        }
+
+        // 2. 解析并去重
+        var ids = new List<long>(values.Length);
+        foreach (var value in values)
+        {
+            if (!long.TryParse(value, out var id) || id <= 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, $"{name} ID 无效");
+            }
+
+            ids.Add(id);
+        }
+
+        // 3. 返回去重结果
+        return ids.Distinct().ToArray();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateMenuCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateMenuCommandHandler.cs
new file mode 100644
index 0000000..9ae4bc3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateMenuCommandHandler.cs
@@ -0,0 +1,57 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 创建菜单处理器。
+/// </summary>
+public sealed class CreateMenuCommandHandler(IMenuRepository menuRepository)
+    : IRequestHandler<CreateMenuCommand, MenuDefinitionDto>
+{
+    /// <inheritdoc />
+    public async Task<MenuDefinitionDto> Handle(CreateMenuCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 菜单固定时禁止新增
+        if (!MenuPolicy.CanMaintainMenus)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "菜单已固定，禁止新增");
+        }
+
+        // 2. 构造实体
+        var entity = new MenuDefinition
+        {
+            Portal = PortalType.Tenant,
+            ParentId = request.ParentId,
+            Name = request.Name.Trim(),
+            Path = request.Path.Trim(),
+            Component = request.Component.Trim(),
+            Title = request.Title.Trim(),
+            Icon = request.Icon?.Trim(),
+            IsIframe = request.IsIframe,
+            Link = string.IsNullOrWhiteSpace(request.Link) ? null : request.Link.Trim(),
+            KeepAlive = request.KeepAlive,
+            SortOrder = request.SortOrder,
+            RequiredPermissions = MenuMapper.JoinCodes(request.RequiredPermissions),
+            MetaPermissions = MenuMapper.JoinCodes(request.MetaPermissions),
+            MetaRoles = MenuMapper.JoinCodes(request.MetaRoles),
+            AuthListJson = request.AuthList.Count == 0
+                ? null
+                : System.Text.Json.JsonSerializer.Serialize(request.AuthList)
+        };
+
+        // 3. 持久化
+        await menuRepository.AddAsync(entity, cancellationToken);
+        await menuRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回 DTO
+        return MenuMapper.ToDto(entity);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreatePermissionCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreatePermissionCommandHandler.cs
new file mode 100644
index 0000000..cc7cfee
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreatePermissionCommandHandler.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 创建权限处理器。
+/// </summary>
+public sealed class CreatePermissionCommandHandler(
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<CreatePermissionCommand, PermissionDto>
+{
+    /// <summary>
+    /// 处理创建权限请求。
+    /// </summary>
+    /// <param name="request">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建后的权限 DTO。</returns>
+    public async Task<PermissionDto> Handle(CreatePermissionCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 权限固定时禁止新增
+        if (!PermissionPolicy.CanMaintainPermissions)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "权限已固定，禁止新增");
+        }
+
+        // 2. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 3. 构建权限实体
+        var normalizedType = string.IsNullOrWhiteSpace(request.Type)
+            ? "leaf"
+            : request.Type.Trim().ToLowerInvariant();
+        normalizedType = normalizedType is "group" or "leaf" ? normalizedType : "leaf";
+        var parentId = request.ParentId > 0 ? request.ParentId : 0;
+        var sortOrder = request.SortOrder < 0 ? 0 : request.SortOrder;
+        var permission = new Permission
+        {
+            ParentId = parentId,
+            SortOrder = sortOrder,
+            Type = normalizedType,
+            Name = request.Name,
+            Code = request.Code,
+            Description = request.Description
+        };
+
+        // 4. 持久化
+        await permissionRepository.AddAsync(permission, cancellationToken);
+        await permissionRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回 DTO
+        return new PermissionDto
+        {
+            Id = permission.Id,
+            ParentId = permission.ParentId,
+            SortOrder = permission.SortOrder,
+            Type = permission.Type,
+            Name = permission.Name,
+            Code = permission.Code,
+            Description = permission.Description
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleCommandHandler.cs
new file mode 100644
index 0000000..1008782
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleCommandHandler.cs
@@ -0,0 +1,81 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 创建角色处理器。
+/// </summary>
+public sealed class CreateRoleCommandHandler(
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<CreateRoleCommand, RoleDto>
+{
+    /// <summary>
+    /// 处理创建角色请求。
+    /// </summary>
+    /// <param name="request">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建后的角色 DTO。</returns>
+    public async Task<RoleDto> Handle(CreateRoleCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并校验跨租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户创建
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户创建角色");
+        }
+
+        // 3. (空行后) 使用当前租户创建角色
+        var tenantId = currentTenantId;
+
+        // 4. (空行后) 归一化输入并校验唯一
+        var name = request.Name?.Trim() ?? string.Empty;
+        var code = request.Code?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(name) || string.IsNullOrWhiteSpace(code))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "角色名称与编码不能为空");
+        }
+
+        var exists = await roleRepository.FindByCodeAsync(code, tenantId, cancellationToken);
+        if (exists is not null)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "角色编码已存在");
+        }
+
+        // 5. (空行后) 构建角色实体
+        var role = new Role
+        {
+            TenantId = tenantId,
+            Name = name,
+            Code = code,
+            Description = request.Description
+        };
+
+        // 6. (空行后) 持久化
+        await roleRepository.AddAsync(role, cancellationToken);
+        await roleRepository.SaveChangesAsync(cancellationToken);
+
+        // 7. (空行后) 返回 DTO
+        return new RoleDto
+        {
+            Id = role.Id,
+            TenantId = role.TenantId,
+            Name = role.Name,
+            Code = role.Code,
+            Description = role.Description
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs
new file mode 100644
index 0000000..2bec7ea
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 创建角色模板处理器。
+/// </summary>
+public sealed class CreateRoleTemplateCommandHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<CreateRoleTemplateCommand, RoleTemplateDto>
+{
+    /// <inheritdoc />
+    public async Task<RoleTemplateDto> Handle(CreateRoleTemplateCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验必填
+        if (string.IsNullOrWhiteSpace(request.TemplateCode) || string.IsNullOrWhiteSpace(request.Name))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "模板编码与名称不能为空");
+        }
+
+        // 2. 检查编码唯一
+        var existing = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken);
+        if (existing != null)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, $"模板编码 {request.TemplateCode} 已存在");
+        }
+
+        // 3. 构建模板实体
+        var template = new RoleTemplate
+        {
+            TemplateCode = request.TemplateCode.Trim(),
+            Name = request.Name.Trim(),
+            Description = request.Description,
+            IsActive = request.IsActive
+        };
+
+        // 4. 清洗权限编码
+        var permissions = request.PermissionCodes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        // 5. 持久化并返回 DTO
+        await roleTemplateRepository.AddAsync(template, permissions, cancellationToken);
+        await roleTemplateRepository.SaveChangesAsync(cancellationToken);
+
+        return TemplateMapper.ToDto(template, permissions);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteIdentityUserCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteIdentityUserCommandHandler.cs
new file mode 100644
index 0000000..644ecee
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteIdentityUserCommandHandler.cs
@@ -0,0 +1,120 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 删除用户处理器。
+/// </summary>
+public sealed class DeleteIdentityUserCommandHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher)
+    : IRequestHandler<DeleteIdentityUserCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteIdentityUserCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户删除用户");
+        }
+
+        // 3. 查询用户实体
+        var user = await identityUserRepository.GetForUpdateAsync(request.UserId, cancellationToken);
+        if (user == null)
+        {
+            return false;
+        }
+
+        if (user.TenantId != currentTenantId)
+        {
+            return false;
+        }
+
+        // 4. 校验租户管理员保留规则
+        if (user.Status == IdentityUserStatus.Active)
+        {
+            await EnsureNotLastActiveTenantAdminAsync(user.TenantId, user.Id, cancellationToken);
+        }
+
+        // 5. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:delete",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(new[] { user.Id }),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new { userId = user.Id, tenantId = user.TenantId }),
+            Result = JsonSerializer.Serialize(new { userId = user.Id }),
+            Success = true
+        };
+
+        // 6. 软删除用户并写入 Outbox
+        await identityUserRepository.RemoveAsync(user, cancellationToken);
+        await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+        return true;
+    }
+
+    private async Task EnsureNotLastActiveTenantAdminAsync(long tenantId, long userId, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户管理员角色
+        var tenantAdminRole = await roleRepository.FindByCodeAsync("tenant-admin", tenantId, cancellationToken);
+        if (tenantAdminRole == null)
+        {
+            return;
+        }
+
+        // 2. 判断用户是否为租户管理员
+        var relations = await userRoleRepository.GetByUserIdAsync(tenantId, userId, cancellationToken);
+        if (!relations.Any(x => x.RoleId == tenantAdminRole.Id))
+        {
+            return;
+        }
+
+        // 3. 统计活跃管理员数量
+        var filter = new IdentityUserSearchFilter
+        {
+            TenantId = tenantId,
+            RoleId = tenantAdminRole.Id,
+            Status = IdentityUserStatus.Active,
+            IncludeDeleted = false,
+            Page = 1,
+            PageSize = 1
+        };
+        var result = await identityUserRepository.SearchPagedAsync(filter, cancellationToken);
+        if (result.Total <= 1)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "至少保留一个管理员");
+        }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteMenuCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteMenuCommandHandler.cs
new file mode 100644
index 0000000..545729f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteMenuCommandHandler.cs
@@ -0,0 +1,34 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 删除菜单处理器。
+/// </summary>
+public sealed class DeleteMenuCommandHandler(IMenuRepository menuRepository)
+    : IRequestHandler<DeleteMenuCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(DeleteMenuCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 菜单固定时禁止删除
+        if (!MenuPolicy.CanMaintainMenus)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "菜单已固定，禁止删除");
+        }
+
+        // 2. 删除目标
+        await menuRepository.DeleteAsync(request.Id, cancellationToken);
+
+        // 3. 持久化
+        await menuRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeletePermissionCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeletePermissionCommandHandler.cs
new file mode 100644
index 0000000..fb31f03
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeletePermissionCommandHandler.cs
@@ -0,0 +1,42 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 删除权限处理器。
+/// </summary>
+public sealed class DeletePermissionCommandHandler(
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<DeletePermissionCommand, bool>
+{
+    /// <summary>
+    /// 处理删除权限请求。
+    /// </summary>
+    /// <param name="request">删除命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(DeletePermissionCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 权限固定时禁止删除
+        if (!PermissionPolicy.CanMaintainPermissions)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "权限已固定，禁止删除");
+        }
+
+        // 2. 获取租户上下文
+        var tenantId = tenantProvider.GetCurrentTenantId();
+
+        // 3. 删除权限
+        await permissionRepository.DeleteAsync(request.PermissionId, tenantId, cancellationToken);
+        await permissionRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteRoleCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteRoleCommandHandler.cs
new file mode 100644
index 0000000..592df9a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteRoleCommandHandler.cs
@@ -0,0 +1,48 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 删除角色处理器。
+/// </summary>
+public sealed class DeleteRoleCommandHandler(
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<DeleteRoleCommand, bool>
+{
+    /// <summary>
+    /// 处理删除角色请求。
+    /// </summary>
+    /// <param name="request">删除命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(DeleteRoleCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户操作
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户操作角色");
+        }
+
+        // 3. (空行后) 删除角色
+        var tenantId = currentTenantId;
+
+        await roleRepository.DeleteAsync(request.RoleId, tenantId, cancellationToken);
+        await roleRepository.SaveChangesAsync(cancellationToken);
+
+        // 4. (空行后) 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteRoleTemplateCommandHandler.cs
new file mode 100644
index 0000000..c021564
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/DeleteRoleTemplateCommandHandler.cs
@@ -0,0 +1,35 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 删除角色模板处理器。
+/// </summary>
+public sealed class DeleteRoleTemplateCommandHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<DeleteRoleTemplateCommand, bool>
+{
+    /// <summary>
+    /// 处理删除角色模板请求。
+    /// </summary>
+    /// <param name="request">删除命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
+    public async Task<bool> Handle(DeleteRoleTemplateCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 查询模板
+        var template = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken);
+        if (template == null)
+        {
+            return false;
+        }
+
+        // 2. 删除并保存
+        await roleTemplateRepository.DeleteAsync(template.Id, cancellationToken);
+        await roleTemplateRepository.SaveChangesAsync(cancellationToken);
+
+        // 3. 返回执行结果
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetIdentityUserDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetIdentityUserDetailQueryHandler.cs
new file mode 100644
index 0000000..07ec79f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetIdentityUserDetailQueryHandler.cs
@@ -0,0 +1,96 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 获取用户详情处理器。
+/// </summary>
+public sealed class GetIdentityUserDetailQueryHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    IRolePermissionRepository rolePermissionRepository,
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetIdentityUserDetailQuery, UserDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<UserDetailDto?> Handle(GetIdentityUserDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 查询用户实体
+        IdentityUser? user;
+        if (request.IncludeDeleted)
+        {
+            user = await identityUserRepository.GetForUpdateIncludingDeletedAsync(currentTenantId, request.UserId, cancellationToken);
+        }
+        else
+        {
+            user = await identityUserRepository.GetForUpdateAsync(request.UserId, cancellationToken);
+        }
+
+        if (user == null)
+        {
+            return null;
+        }
+
+        if (user.TenantId != currentTenantId)
+        {
+            return null;
+        }
+
+        // 3. 加载角色与权限
+        var roleRelations = await userRoleRepository.GetByUserIdAsync(user.TenantId, user.Id, cancellationToken);
+        var roleIds = roleRelations.Select(x => x.RoleId).Distinct().ToArray();
+        var roles = roleIds.Length == 0
+            ? Array.Empty<Role>()
+            : await roleRepository.GetByIdsAsync(user.TenantId, roleIds, cancellationToken);
+        var roleCodes = roles.Select(x => x.Code)
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+        var permissionIds = roleIds.Length == 0
+            ? Array.Empty<long>()
+            : (await rolePermissionRepository.GetByRoleIdsAsync(user.TenantId, roleIds, cancellationToken))
+                .Select(x => x.PermissionId)
+                .Distinct()
+                .ToArray();
+        var permissions = permissionIds.Length == 0
+            ? Array.Empty<string>()
+            : (await permissionRepository.GetByIdsAsync(user.TenantId, permissionIds, cancellationToken))
+                .Select(x => x.Code)
+                .Where(code => !string.IsNullOrWhiteSpace(code))
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .ToArray();
+
+        // 4. 组装详情 DTO
+        var now = DateTime.UtcNow;
+        return new UserDetailDto
+        {
+            UserId = user.Id,
+            TenantId = user.TenantId,
+            MerchantId = user.MerchantId,
+            Account = user.Account,
+            DisplayName = user.DisplayName,
+            Phone = user.Phone,
+            Email = user.Email,
+            Status = user.Status,
+            IsLocked = user.Status == IdentityUserStatus.Locked || (user.LockedUntil.HasValue && user.LockedUntil.Value > now),
+            Roles = roleCodes,
+            RoleIds = roleIds.Select(id => id.ToString()).ToArray(),
+            Permissions = permissions,
+            CreatedAt = user.CreatedAt,
+            LastLoginAt = user.LastLoginAt,
+            Avatar = user.Avatar,
+            RowVersion = user.RowVersion
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs
new file mode 100644
index 0000000..be16a6e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs
@@ -0,0 +1,31 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色模板详情查询处理器。
+/// </summary>
+public sealed class GetRoleTemplateQueryHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<GetRoleTemplateQuery, RoleTemplateDto?>
+{
+    /// <inheritdoc />
+    public async Task<RoleTemplateDto?> Handle(GetRoleTemplateQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询模板
+        var template = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken);
+        if (template == null)
+        {
+            return null;
+        }
+
+        // 2. 查询模板权限
+        var permissions = await roleTemplateRepository.GetPermissionsAsync(template.Id, cancellationToken);
+        var codes = permissions.Select(x => x.PermissionCode).ToArray();
+
+        // 3. 返回 DTO
+        return TemplateMapper.ToDto(template, codes);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs
new file mode 100644
index 0000000..915f386
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs
@@ -0,0 +1,87 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 按用户 ID 获取权限概览处理器。
+/// </summary>
+public sealed class GetUserPermissionsQueryHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    IPermissionRepository permissionRepository,
+    IRolePermissionRepository rolePermissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<GetUserPermissionsQuery, UserPermissionDto?>
+{
+    /// <inheritdoc />
+    public async Task<UserPermissionDto?> Handle(GetUserPermissionsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户并查询用户
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var user = await identityUserRepository.FindByIdAsync(request.UserId, cancellationToken);
+        if (user == null || user.TenantId != tenantId)
+        {
+            return null;
+        }
+
+        // 2. 解析角色与权限
+        var roleCodes = await ResolveUserRolesAsync(tenantId, user.Id, cancellationToken);
+        var permissionCodes = await ResolveUserPermissionsAsync(tenantId, user.Id, cancellationToken);
+
+        // 3. 返回用户权限概览
+        return new UserPermissionDto
+        {
+            UserId = user.Id,
+            TenantId = user.TenantId,
+            MerchantId = user.MerchantId,
+            Account = user.Account,
+            DisplayName = user.DisplayName,
+            Roles = roleCodes,
+            Permissions = permissionCodes,
+            CreatedAt = user.CreatedAt
+        };
+    }
+
+    private async Task<string[]> ResolveUserRolesAsync(long tenantId, long userId, CancellationToken cancellationToken)
+    {
+        // 1. 查询用户角色关系
+        var relations = await userRoleRepository.GetByUserIdAsync(tenantId, userId, cancellationToken);
+        var roleIds = relations.Select(x => x.RoleId).Distinct().ToArray();
+        if (roleIds.Length == 0)
+        {
+            return Array.Empty<string>();
+        }
+
+        // 2. 查询角色编码
+        var roles = await roleRepository.GetByIdsAsync(tenantId, roleIds, cancellationToken);
+        return roles.Select(x => x.Code).Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
+    }
+
+    private async Task<string[]> ResolveUserPermissionsAsync(long tenantId, long userId, CancellationToken cancellationToken)
+    {
+        // 1. 查询用户角色关系
+        var relations = await userRoleRepository.GetByUserIdAsync(tenantId, userId, cancellationToken);
+        var roleIds = relations.Select(x => x.RoleId).Distinct().ToArray();
+        if (roleIds.Length == 0)
+        {
+            return Array.Empty<string>();
+        }
+
+        // 2. 查询角色-权限关系
+        var rolePermissions = await rolePermissionRepository.GetByRoleIdsAsync(tenantId, roleIds, cancellationToken);
+        var permissionIds = rolePermissions.Select(x => x.PermissionId).Distinct().ToArray();
+        if (permissionIds.Length == 0)
+        {
+            return Array.Empty<string>();
+        }
+
+        // 3. 查询权限编码
+        var permissions = await permissionRepository.GetByIdsAsync(tenantId, permissionIds, cancellationToken);
+        return permissions.Select(x => x.Code).Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs
new file mode 100644
index 0000000..7ec7a0e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs
@@ -0,0 +1,62 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 租户角色模板批量初始化处理器。
+/// </summary>
+public sealed class InitializeRoleTemplatesCommandHandler(
+    IRoleTemplateRepository roleTemplateRepository,
+    IMediator mediator)
+    : IRequestHandler<InitializeRoleTemplatesCommand, IReadOnlyList<RoleDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<RoleDto>> Handle(InitializeRoleTemplatesCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 解析需要初始化的模板编码，默认取全部模板。
+        var requestedCodes = request.TemplateCodes?
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        var availableTemplates = await roleTemplateRepository.GetAllAsync(true, cancellationToken);
+        var availableCodes = availableTemplates.Select(t => t.TemplateCode).ToHashSet(StringComparer.OrdinalIgnoreCase);
+
+        var targetCodes = requestedCodes?.Length > 0
+            ? requestedCodes
+            : availableTemplates.Select(template => template.TemplateCode).ToArray();
+
+        if (targetCodes.Length == 0)
+        {
+            return Array.Empty<RoleDto>();
+        }
+
+        foreach (var code in targetCodes)
+        {
+            if (!availableCodes.Contains(code))
+            {
+                throw new BusinessException(ErrorCodes.NotFound, $"角色模板 {code} 不存在或未启用");
+            }
+        }
+
+        // 2. 逐个复制模板，幂等写入角色与权限。
+        var roles = new List<RoleDto>(targetCodes.Length);
+        foreach (var templateCode in targetCodes)
+        {
+            var role = await mediator.Send(new CopyRoleTemplateCommand
+            {
+                TemplateCode = templateCode
+            }, cancellationToken);
+
+            roles.Add(role);
+        }
+
+        return roles;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListMenusQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListMenusQueryHandler.cs
new file mode 100644
index 0000000..c224928
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListMenusQueryHandler.cs
@@ -0,0 +1,27 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 菜单列表查询处理器。
+/// </summary>
+public sealed class ListMenusQueryHandler(IMenuRepository menuRepository)
+    : IRequestHandler<ListMenusQuery, IReadOnlyList<MenuDefinitionDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MenuDefinitionDto>> Handle(ListMenusQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询租户端菜单
+        var entities = await menuRepository.GetByPortalAsync(PortalType.Tenant, cancellationToken);
+
+        // 2. 映射 DTO
+        var items = entities.Select(MenuMapper.ToDto).ToList();
+
+        // 3. 返回结果
+        return items;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs
new file mode 100644
index 0000000..e99254b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色模板列表查询处理器。
+/// </summary>
+public sealed class ListRoleTemplatesQueryHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<ListRoleTemplatesQuery, IReadOnlyList<RoleTemplateDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<RoleTemplateDto>> Handle(ListRoleTemplatesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询模板与权限映射
+        var templates = await roleTemplateRepository.GetAllAsync(request.IsActive, cancellationToken);
+        var permissionsMap = await roleTemplateRepository.GetPermissionsAsync(templates.Select(t => t.Id), cancellationToken);
+
+        // 2. 排序并映射 DTO
+        var dtos = templates
+            .OrderBy(template => template.TemplateCode, StringComparer.OrdinalIgnoreCase)
+            .Select(template =>
+            {
+                var codes = permissionsMap.TryGetValue(template.Id, out var perms)
+                    ? (IReadOnlyCollection<string>)perms.Select(p => p.PermissionCode).ToArray()
+                    : Array.Empty<string>();
+                return TemplateMapper.ToDto(template, codes);
+            })
+            .ToArray();
+
+        // 3. 返回结果
+        return dtos;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/MenuDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/MenuDetailQueryHandler.cs
new file mode 100644
index 0000000..5e89430
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/MenuDetailQueryHandler.cs
@@ -0,0 +1,27 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 菜单详情查询处理器。
+/// </summary>
+public sealed class MenuDetailQueryHandler(IMenuRepository menuRepository)
+    : IRequestHandler<MenuDetailQuery, MenuDefinitionDto?>
+{
+    /// <inheritdoc />
+    public async Task<MenuDefinitionDto?> Handle(MenuDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 查询实体
+        var entity = await menuRepository.FindByIdAsync(request.Id, cancellationToken);
+        if (entity is null)
+        {
+            return null;
+        }
+
+        // 2. 映射并返回
+        return MenuMapper.ToDto(entity);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/MenuMapper.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/MenuMapper.cs
new file mode 100644
index 0000000..22c39f3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/MenuMapper.cs
@@ -0,0 +1,129 @@
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 菜单映射辅助。
+/// </summary>
+internal static class MenuMapper
+{
+    /// <summary>
+    /// 将菜单实体映射为 DTO。
+    /// </summary>
+    /// <param name="entity">菜单实体。</param>
+    /// <returns>菜单定义 DTO。</returns>
+    public static MenuDefinitionDto ToDto(MenuDefinition entity)
+    {
+        // 1. 解析权限字段
+        var requiredPermissions = SplitCodes(entity.RequiredPermissions);
+        var metaPermissions = SplitCodes(entity.MetaPermissions);
+        var metaRoles = SplitCodes(entity.MetaRoles);
+
+        // 2. 解析按钮权限
+        var authList = string.IsNullOrWhiteSpace(entity.AuthListJson)
+            ? []
+            : JsonSerializer.Deserialize<List<MenuAuthItemDto>>(entity.AuthListJson) ?? [];
+
+        // 3. 输出 DTO
+        return new MenuDefinitionDto
+        {
+            Id = entity.Id,
+            ParentId = entity.ParentId,
+            Name = entity.Name,
+            Path = entity.Path,
+            Component = entity.Component,
+            Title = entity.Title,
+            Icon = entity.Icon,
+            IsIframe = entity.IsIframe,
+            Link = entity.Link,
+            KeepAlive = entity.KeepAlive,
+            SortOrder = entity.SortOrder,
+            RequiredPermissions = requiredPermissions,
+            MetaPermissions = metaPermissions,
+            MetaRoles = metaRoles,
+            AuthList = authList
+        };
+    }
+
+    /// <summary>
+    /// 将 DTO 字段填充到实体。
+    /// </summary>
+    /// <param name="entity">菜单实体。</param>
+    /// <param name="dto">菜单 DTO。</param>
+    public static void FillEntity(MenuDefinition entity, MenuDefinitionDto dto)
+    {
+        // 1. 赋值基础字段
+        entity.ParentId = dto.ParentId;
+        entity.Name = dto.Name;
+        entity.Path = dto.Path;
+        entity.Component = dto.Component;
+        entity.Title = dto.Title;
+        entity.Icon = dto.Icon;
+        entity.IsIframe = dto.IsIframe;
+        entity.Link = dto.Link;
+        entity.KeepAlive = dto.KeepAlive;
+        entity.SortOrder = dto.SortOrder;
+
+        // 2. 权限与按钮
+        entity.RequiredPermissions = JoinCodes(dto.RequiredPermissions);
+        entity.MetaPermissions = JoinCodes(dto.MetaPermissions);
+        entity.MetaRoles = JoinCodes(dto.MetaRoles);
+        entity.AuthListJson = dto.AuthList.Count == 0
+            ? null
+            : JsonSerializer.Serialize(dto.AuthList);
+    }
+
+    /// <summary>
+    /// 构建或更新菜单实体并返回 DTO。
+    /// </summary>
+    /// <param name="existing">已存在的菜单实体。</param>
+    /// <param name="portal">门户类型。</param>
+    /// <param name="payload">菜单 DTO 载荷。</param>
+    /// <returns>菜单定义 DTO。</returns>
+    public static MenuDefinitionDto FromCommand(MenuDefinition? existing, PortalType portal, MenuDefinitionDto payload)
+    {
+        // 1. 构造实体
+        var entity = existing ?? new MenuDefinition
+        {
+            Portal = portal,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        // 2. 填充字段
+        FillEntity(entity, payload);
+
+        // 3. 返回 DTO 映射
+        return ToDto(entity);
+    }
+
+    /// <summary>
+    /// 将权限/角色集合合并为存储字符串。
+    /// </summary>
+    /// <param name="codes">编码集合。</param>
+    /// <returns>逗号分隔字符串。</returns>
+    public static string JoinCodes(IEnumerable<string> codes)
+    {
+        return string.Join(',', codes.Where(x => !string.IsNullOrWhiteSpace(x)).Select(x => x.Trim()).Distinct(StringComparer.OrdinalIgnoreCase));
+    }
+
+    /// <summary>
+    /// 将逗号分隔编码拆分为集合。
+    /// </summary>
+    /// <param name="codes">编码字符串。</param>
+    /// <returns>编码数组。</returns>
+    public static string[] SplitCodes(string? codes)
+    {
+        if (string.IsNullOrWhiteSpace(codes))
+        {
+            return Array.Empty<string>();
+        }
+
+        return codes
+            .Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/PermissionTreeQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/PermissionTreeQueryHandler.cs
new file mode 100644
index 0000000..64ef3e3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/PermissionTreeQueryHandler.cs
@@ -0,0 +1,74 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 权限树查询处理器。
+/// </summary>
+public sealed class PermissionTreeQueryHandler(
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<PermissionTreeQuery, IReadOnlyList<PermissionTreeDto>>
+{
+    /// <summary>
+    /// 构建权限树。
+    /// </summary>
+    /// <param name="request">查询参数。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限树列表。</returns>
+    public async Task<IReadOnlyList<PermissionTreeDto>> Handle(PermissionTreeQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并查询权限
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var permissions = await permissionRepository.SearchAsync(tenantId, request.Keyword, cancellationToken);
+
+        // 2. 构建节点映射与父子分组
+        var nodeMap = permissions.ToDictionary(
+            x => x.Id,
+            x => new PermissionTreeDto
+            {
+                Id = x.Id,
+                ParentId = x.ParentId,
+                SortOrder = x.SortOrder,
+                Type = x.Type,
+                Name = x.Name,
+                Code = x.Code,
+                Description = x.Description,
+                Children = Array.Empty<PermissionTreeDto>()
+            });
+        var childrenLookup = permissions
+            .GroupBy(x => x.ParentId)
+            .ToDictionary(g => g.Key, g => g.OrderBy(c => c.SortOrder).ThenBy(c => c.Id).Select(c => c.Id).ToList());
+
+        // 3. 递归组装树，确保子节点引用最新
+        List<PermissionTreeDto> Build(long parentId)
+        {
+            if (!childrenLookup.TryGetValue(parentId, out var childIds))
+            {
+                return [];
+            }
+
+            var result = new List<PermissionTreeDto>(childIds.Count);
+            foreach (var childId in childIds)
+            {
+                if (!nodeMap.TryGetValue(childId, out var child))
+                {
+                    continue;
+                }
+
+                var withChildren = child with { Children = Build(child.Id) };
+                result.Add(withChildren);
+            }
+
+            return result;
+        }
+
+        // 4. 返回根节点集合
+        var roots = Build(0);
+        return roots;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ResetAdminPasswordByTokenCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ResetAdminPasswordByTokenCommandHandler.cs
new file mode 100644
index 0000000..cd7a0a5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ResetAdminPasswordByTokenCommandHandler.cs
@@ -0,0 +1,64 @@
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 通过重置链接令牌重置管理员密码处理器。
+/// </summary>
+public sealed class ResetAdminPasswordByTokenCommandHandler(
+    IAdminPasswordResetTokenStore tokenStore,
+    IIdentityUserRepository userRepository,
+    IPasswordHasher<IdentityUser> passwordHasher)
+    : IRequestHandler<ResetAdminPasswordByTokenCommand>
+{
+    /// <inheritdoc />
+    public async Task Handle(ResetAdminPasswordByTokenCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 参数校验
+        var token = request.Token?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(token))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "重置令牌不能为空");
+        }
+
+        var password = request.NewPassword?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(password))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "新密码不能为空");
+        }
+
+        if (password.Length is < 6 or > 32)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "新密码长度需为 6~32 位");
+        }
+
+        // 2. 校验并消费令牌
+        var userId = await tokenStore.ConsumeAsync(token, cancellationToken);
+        if (!userId.HasValue || userId.Value == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "重置链接无效或已过期");
+        }
+
+        // 3. 获取用户（可更新，强制租户隔离）并写入新密码哈希
+        var user = await userRepository.GetForUpdateAsync(userId.Value, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "用户不存在");
+
+        user.PasswordHash = passwordHasher.HashPassword(user, password);
+        user.MustChangePassword = false;
+        user.FailedLoginCount = 0;
+        user.LockedUntil = null;
+        if (user.Status == IdentityUserStatus.Locked)
+        {
+            user.Status = IdentityUserStatus.Active;
+        }
+        await userRepository.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ResetIdentityUserPasswordCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ResetIdentityUserPasswordCommandHandler.cs
new file mode 100644
index 0000000..d1a7eed
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ResetIdentityUserPasswordCommandHandler.cs
@@ -0,0 +1,97 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 生成用户重置密码链接处理器。
+/// </summary>
+public sealed class ResetIdentityUserPasswordCommandHandler(
+    IAdminPasswordResetTokenStore tokenStore,
+    IIdentityUserRepository identityUserRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher)
+    : IRequestHandler<ResetIdentityUserPasswordCommand, ResetIdentityUserPasswordResult>
+{
+    /// <inheritdoc />
+    public async Task<ResetIdentityUserPasswordResult> Handle(ResetIdentityUserPasswordCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户重置密码");
+        }
+
+        // 3. 查询用户实体
+        var user = await identityUserRepository.GetForUpdateAsync(request.UserId, cancellationToken);
+        if (user == null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "用户不存在");
+        }
+
+        if (user.TenantId != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户重置密码");
+        }
+
+        // 4. 签发重置令牌（1 小时有效）
+        var expiresAt = DateTime.UtcNow.AddHours(1);
+        var token = await tokenStore.IssueAsync(user.Id, expiresAt, cancellationToken);
+
+        // 5. 标记用户需重置密码
+        user.MustChangePassword = true;
+        user.FailedLoginCount = 0;
+        user.LockedUntil = null;
+        if (user.Status == IdentityUserStatus.Locked)
+        {
+            user.Status = IdentityUserStatus.Active;
+        }
+
+        // 6. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:password-reset",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(new[] { user.Id }),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new { userId = user.Id, tenantId = user.TenantId }),
+            Result = JsonSerializer.Serialize(new { userId = user.Id, expiresAt }),
+            Success = true
+        };
+
+        // 7. 写入 Outbox 并保存变更
+        await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+        return new ResetIdentityUserPasswordResult
+        {
+            Token = token,
+            ExpiresAt = expiresAt
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/RestoreIdentityUserCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/RestoreIdentityUserCommandHandler.cs
new file mode 100644
index 0000000..54daabb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/RestoreIdentityUserCommandHandler.cs
@@ -0,0 +1,84 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 恢复用户处理器。
+/// </summary>
+public sealed class RestoreIdentityUserCommandHandler(
+    IIdentityUserRepository identityUserRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher)
+    : IRequestHandler<RestoreIdentityUserCommand, bool>
+{
+    /// <inheritdoc />
+    public async Task<bool> Handle(RestoreIdentityUserCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户恢复用户");
+        }
+
+        // 3. 查询用户实体（包含已删除）
+        var user = await identityUserRepository.GetForUpdateIncludingDeletedAsync(currentTenantId, request.UserId, cancellationToken);
+        if (user == null)
+        {
+            return false;
+        }
+
+        if (user.TenantId != currentTenantId)
+        {
+            return false;
+        }
+
+        if (!user.DeletedAt.HasValue)
+        {
+            return false;
+        }
+
+        // 4. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:restore",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(new[] { user.Id }),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new { userId = user.Id, tenantId = user.TenantId }),
+            Result = JsonSerializer.Serialize(new { userId = user.Id }),
+            Success = true
+        };
+
+        // 5. 恢复软删除状态并写入 Outbox
+        user.DeletedAt = null;
+        user.DeletedBy = null;
+        await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+
+        return true;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/RoleDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/RoleDetailQueryHandler.cs
new file mode 100644
index 0000000..daf567b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/RoleDetailQueryHandler.cs
@@ -0,0 +1,78 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色详情查询处理器。
+/// </summary>
+public sealed class RoleDetailQueryHandler(
+    IRoleRepository roleRepository,
+    IRolePermissionRepository rolePermissionRepository,
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<RoleDetailQuery, RoleDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<RoleDetailDto?> Handle(RoleDetailQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并校验跨租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户查询
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户查询角色详情");
+        }
+
+        // 3. (空行后) 查询角色
+        var tenantId = currentTenantId;
+        var role = await roleRepository.FindByIdAsync(request.RoleId, tenantId, cancellationToken);
+        if (role is null)
+        {
+            return null;
+        }
+
+        // 4. (空行后) 查询角色权限关系
+        var relations = await rolePermissionRepository.GetByRoleIdsAsync(tenantId, new[] { role.Id }, cancellationToken);
+        var permissionIds = relations.Select(x => x.PermissionId).ToArray();
+
+        // 5. (空行后) 拉取权限实体
+        var permissions = permissionIds.Length == 0
+            ? Array.Empty<Domain.Identity.Entities.Permission>()
+            : await permissionRepository.GetByIdsAsync(tenantId, permissionIds, cancellationToken);
+
+        // 6. (空行后) 映射 DTO
+        var permissionDtos = permissions
+            .Select(x => new PermissionDto
+            {
+                Id = x.Id,
+                ParentId = x.ParentId,
+                SortOrder = x.SortOrder,
+                Type = x.Type,
+                Code = x.Code,
+                Name = x.Name,
+                Description = x.Description
+            })
+            .ToList();
+
+        return new RoleDetailDto
+        {
+            Id = role.Id,
+            TenantId = role.TenantId,
+            Name = role.Name,
+            Code = role.Code,
+            Description = role.Description,
+            Permissions = permissionDtos
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/RoleTemplatePermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/RoleTemplatePermissionsQueryHandler.cs
new file mode 100644
index 0000000..0c5df21
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/RoleTemplatePermissionsQueryHandler.cs
@@ -0,0 +1,40 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色模板权限查询处理器。
+/// </summary>
+public sealed class RoleTemplatePermissionsQueryHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<RoleTemplatePermissionsQuery, IReadOnlyList<PermissionTemplateDto>>
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<PermissionTemplateDto>> Handle(RoleTemplatePermissionsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 校验模板存在
+        var template = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, $"角色模板 {request.TemplateCode} 不存在");
+
+        // 2. 查询模板权限
+        var permissions = await roleTemplateRepository.GetPermissionsAsync(template.Id, cancellationToken);
+
+        // 3. 映射 DTO
+        var dto = permissions
+            .Where(x => !string.IsNullOrWhiteSpace(x.PermissionCode))
+            .Select(x => new PermissionTemplateDto
+            {
+                Code = x.PermissionCode,
+                Name = x.PermissionCode,
+                Description = x.PermissionCode
+            })
+            .ToList();
+
+        // 4. 返回权限列表
+        return dto;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchIdentityUsersQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchIdentityUsersQueryHandler.cs
new file mode 100644
index 0000000..0ce96c6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchIdentityUsersQueryHandler.cs
@@ -0,0 +1,139 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 用户分页查询处理器。
+/// </summary>
+public sealed class SearchIdentityUsersQueryHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchIdentityUsersQuery, PagedResult<UserListItemDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<UserListItemDto>> Handle(SearchIdentityUsersQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户查询用户");
+        }
+
+        // 3. 组装查询过滤条件
+        var filter = new IdentityUserSearchFilter
+        {
+            TenantId = currentTenantId,
+            Keyword = request.Keyword,
+            Status = request.Status,
+            RoleId = request.RoleId,
+            CreatedAtFrom = request.CreatedAtFrom,
+            CreatedAtTo = request.CreatedAtTo,
+            LastLoginFrom = request.LastLoginFrom,
+            LastLoginTo = request.LastLoginTo,
+            IncludeDeleted = request.IncludeDeleted,
+            Page = request.Page,
+            PageSize = request.PageSize,
+            SortBy = request.SortBy,
+            SortDescending = request.SortDescending
+        };
+
+        // 4. 执行分页查询
+        var (items, total) = await identityUserRepository.SearchPagedAsync(filter, cancellationToken);
+        if (items.Count == 0)
+        {
+            return new PagedResult<UserListItemDto>(Array.Empty<UserListItemDto>(), request.Page, request.PageSize, total);
+        }
+
+        // 5. 加载角色编码映射
+        var roleCodesLookup = await ResolveRoleCodesAsync(items, userRoleRepository, roleRepository, cancellationToken);
+
+        // 6. 组装 DTO
+        var now = DateTime.UtcNow;
+        var dtos = items.Select(user => new UserListItemDto
+        {
+            UserId = user.Id,
+            TenantId = user.TenantId,
+            Account = user.Account,
+            DisplayName = user.DisplayName,
+            Avatar = user.Avatar,
+            Phone = user.Phone,
+            Email = user.Email,
+            Status = user.Status,
+            IsLocked = IsLocked(user, now),
+            IsDeleted = user.DeletedAt.HasValue,
+            Roles = roleCodesLookup.TryGetValue(user.Id, out var codes) ? codes : Array.Empty<string>(),
+            CreatedAt = user.CreatedAt,
+            LastLoginAt = user.LastLoginAt
+        }).ToList();
+
+        // 7. 返回分页结果
+        return new PagedResult<UserListItemDto>(dtos, request.Page, request.PageSize, total);
+    }
+
+    private static bool IsLocked(IdentityUser user, DateTime now)
+        => user.Status == IdentityUserStatus.Locked
+           || (user.LockedUntil.HasValue && user.LockedUntil.Value > now);
+
+    private static async Task<Dictionary<long, string[]>> ResolveRoleCodesAsync(
+        IReadOnlyList<IdentityUser> users,
+        IUserRoleRepository userRoleRepository,
+        IRoleRepository roleRepository,
+        CancellationToken cancellationToken)
+    {
+        // 1. 预分配字典容量
+        var result = new Dictionary<long, string[]>(users.Count);
+
+        // 2. 按租户分组，降低角色查询次数
+        foreach (var group in users.GroupBy(user => user.TenantId))
+        {
+            var tenantId = group.Key;
+            var userIds = group.Select(user => user.Id).Distinct().ToArray();
+            if (userIds.Length == 0)
+            {
+                continue;
+            }
+
+            // 3. 查询用户角色映射
+            var relations = await userRoleRepository.GetByUserIdsAsync(tenantId, userIds, cancellationToken);
+            if (relations.Count == 0)
+            {
+                continue;
+            }
+
+            // 4. 查询角色并构建映射
+            var roleIds = relations.Select(x => x.RoleId).Distinct().ToArray();
+            var roles = roleIds.Length == 0
+                ? Array.Empty<Role>()
+                : await roleRepository.GetByIdsAsync(tenantId, roleIds, cancellationToken);
+            var roleCodeMap = roles.ToDictionary(role => role.Id, role => role.Code, EqualityComparer<long>.Default);
+
+            // 5. 组装用户角色编码列表
+            foreach (var relationGroup in relations.GroupBy(x => x.UserId))
+            {
+                var codes = relationGroup
+                    .Select(x => roleCodeMap.TryGetValue(x.RoleId, out var code) ? code : null)
+                    .OfType<string>()
+                    .Where(code => !string.IsNullOrWhiteSpace(code))
+                    .Distinct(StringComparer.OrdinalIgnoreCase)
+                    .ToArray();
+                result[relationGroup.Key] = codes.Length == 0 ? Array.Empty<string>() : codes;
+            }
+        }
+
+        return result;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs
new file mode 100644
index 0000000..d31a9ea
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs
@@ -0,0 +1,74 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 权限分页查询处理器。
+/// </summary>
+public sealed class SearchPermissionsQueryHandler(
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchPermissionsQuery, PagedResult<PermissionDto>>
+{
+    /// <summary>
+    /// 执行权限分页查询。
+    /// </summary>
+    /// <param name="request">查询参数。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<PagedResult<PermissionDto>> Handle(SearchPermissionsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并查询权限
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var permissions = await permissionRepository.SearchAsync(tenantId, request.Keyword, cancellationToken);
+
+        // 2. 排序
+        var sorted = request.SortBy?.ToLowerInvariant() switch
+        {
+            "name" => request.SortDescending
+                ? permissions.OrderByDescending(x => x.Name)
+                : permissions.OrderBy(x => x.Name),
+            "code" => request.SortDescending
+                ? permissions.OrderByDescending(x => x.Code)
+                : permissions.OrderBy(x => x.Code),
+            "parentid" => request.SortDescending
+                ? permissions.OrderByDescending(x => x.ParentId).ThenByDescending(x => x.SortOrder)
+                : permissions.OrderBy(x => x.ParentId).ThenBy(x => x.SortOrder),
+            "type" => request.SortDescending
+                ? permissions.OrderByDescending(x => x.Type).ThenByDescending(x => x.SortOrder)
+                : permissions.OrderBy(x => x.Type).ThenBy(x => x.SortOrder),
+            "sortorder" => request.SortDescending
+                ? permissions.OrderByDescending(x => x.SortOrder).ThenByDescending(x => x.CreatedAt)
+                : permissions.OrderBy(x => x.SortOrder).ThenBy(x => x.CreatedAt),
+            _ => request.SortDescending
+                ? permissions.OrderByDescending(x => x.SortOrder).ThenByDescending(x => x.CreatedAt)
+                : permissions.OrderBy(x => x.SortOrder).ThenBy(x => x.CreatedAt)
+        };
+
+        // 3. 分页
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        // 4. 映射 DTO
+        var items = paged.Select(permission => new PermissionDto
+        {
+            Id = permission.Id,
+            ParentId = permission.ParentId,
+            SortOrder = permission.SortOrder,
+            Type = permission.Type,
+            Name = permission.Name,
+            Code = permission.Code,
+            Description = permission.Description
+        }).ToList();
+
+        // 5. 返回分页结果
+        return new PagedResult<PermissionDto>(items, request.Page, request.PageSize, permissions.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs
new file mode 100644
index 0000000..0e0f575
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs
@@ -0,0 +1,75 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 角色分页查询处理器。
+/// </summary>
+public sealed class SearchRolesQueryHandler(
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchRolesQuery, PagedResult<RoleDto>>
+{
+    /// <summary>
+    /// 执行角色分页查询。
+    /// </summary>
+    /// <param name="request">查询参数。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<PagedResult<RoleDto>> Handle(SearchRolesQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并校验跨租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户查询
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户查询角色");
+        }
+
+        // 3. (空行后) 查询角色列表
+        var tenantId = currentTenantId;
+        var roles = await roleRepository.SearchAsync(tenantId, request.Keyword, cancellationToken);
+
+        // 4. (空行后) 排序
+        var sorted = request.SortBy?.ToLowerInvariant() switch
+        {
+            "name" => request.SortDescending
+                ? roles.OrderByDescending(x => x.Name)
+                : roles.OrderBy(x => x.Name),
+            _ => request.SortDescending
+                ? roles.OrderByDescending(x => x.CreatedAt)
+                : roles.OrderBy(x => x.CreatedAt)
+        };
+
+        // 5. (空行后) 分页
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        // 6. (空行后) 映射 DTO
+        var items = paged.Select(role => new RoleDto
+        {
+            Id = role.Id,
+            TenantId = role.TenantId,
+            Name = role.Name,
+            Code = role.Code,
+            Description = role.Description
+        }).ToList();
+
+        // 7. (空行后) 返回分页结果
+        return new PagedResult<RoleDto>(items, request.Page, request.PageSize, roles.Count);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs
new file mode 100644
index 0000000..4184be8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs
@@ -0,0 +1,129 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 租户用户权限分页查询处理器。
+/// </summary>
+public sealed class SearchUserPermissionsQueryHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    IPermissionRepository permissionRepository,
+    IRolePermissionRepository rolePermissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<SearchUserPermissionsQuery, PagedResult<UserPermissionDto>>
+{
+    /// <inheritdoc />
+    public async Task<PagedResult<UserPermissionDto>> Handle(SearchUserPermissionsQuery request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户并查询用户
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var users = await identityUserRepository.SearchAsync(tenantId, request.Keyword, cancellationToken);
+
+        // 2. 排序与分页
+        var sorted = SortUsers(users, request.SortBy, request.SortDescending);
+        var paged = sorted
+            .Skip((request.Page - 1) * request.PageSize)
+            .Take(request.PageSize)
+            .ToList();
+
+        // 3. 解析角色与权限
+        var resolved = await ResolveRolesAndPermissionsAsync(tenantId, paged, cancellationToken);
+        var items = paged.Select(user => new UserPermissionDto
+        {
+            UserId = user.Id,
+            TenantId = user.TenantId,
+            MerchantId = user.MerchantId,
+            Account = user.Account,
+            DisplayName = user.DisplayName,
+            Roles = resolved[user.Id].roles,
+            Permissions = resolved[user.Id].permissions,
+            CreatedAt = user.CreatedAt
+        }).ToList();
+
+        return new PagedResult<UserPermissionDto>(items, request.Page, request.PageSize, users.Count);
+    }
+
+    private static IOrderedEnumerable<Domain.Identity.Entities.IdentityUser> SortUsers(
+        IReadOnlyCollection<Domain.Identity.Entities.IdentityUser> users,
+        string? sortBy,
+        bool sortDescending)
+    {
+        return sortBy?.ToLowerInvariant() switch
+        {
+            "account" => sortDescending
+                ? users.OrderByDescending(x => x.Account)
+                : users.OrderBy(x => x.Account),
+            "displayname" => sortDescending
+                ? users.OrderByDescending(x => x.DisplayName)
+                : users.OrderBy(x => x.DisplayName),
+            _ => sortDescending
+                ? users.OrderByDescending(x => x.CreatedAt)
+                : users.OrderBy(x => x.CreatedAt)
+        };
+    }
+
+    private async Task<Dictionary<long, (string[] roles, string[] permissions)>> ResolveRolesAndPermissionsAsync(
+        long tenantId,
+        IReadOnlyCollection<Domain.Identity.Entities.IdentityUser> users,
+        CancellationToken cancellationToken)
+    {
+        // 1. 查询用户角色关系
+        var userIds = users.Select(x => x.Id).ToArray();
+        var userRoleRelations = await userRoleRepository.GetByUserIdsAsync(tenantId, userIds, cancellationToken);
+        var roleIds = userRoleRelations.Select(x => x.RoleId).Distinct().ToArray();
+
+        // 2. 查询角色信息
+        var roles = roleIds.Length == 0
+            ? Array.Empty<Domain.Identity.Entities.Role>()
+            : await roleRepository.GetByIdsAsync(tenantId, roleIds, cancellationToken);
+        var roleCodeMap = roles.ToDictionary(r => r.Id, r => r.Code, comparer: EqualityComparer<long>.Default);
+
+        // 3. 查询角色-权限关系
+        var rolePermissions = roleIds.Length == 0
+            ? Array.Empty<Domain.Identity.Entities.RolePermission>()
+            : await rolePermissionRepository.GetByRoleIdsAsync(tenantId, roleIds, cancellationToken);
+        var permissionIds = rolePermissions.Select(x => x.PermissionId).Distinct().ToArray();
+
+        // 4. 查询权限详情
+        var permissions = permissionIds.Length == 0
+            ? Array.Empty<Domain.Identity.Entities.Permission>()
+            : await permissionRepository.GetByIdsAsync(tenantId, permissionIds, cancellationToken);
+        var permissionCodeMap = permissions.ToDictionary(p => p.Id, p => p.Code, comparer: EqualityComparer<long>.Default);
+
+        var rolePermissionsLookup = rolePermissions
+            .GroupBy(rp => rp.RoleId)
+            .ToDictionary(g => g.Key, g => g.Select(rp => rp.PermissionId).ToArray(), comparer: EqualityComparer<long>.Default);
+
+        var result = new Dictionary<long, (string[] roles, string[] permissions)>();
+        foreach (var userId in userIds)
+        {
+            // 5. 聚合用户角色与权限编码
+            var rolesForUser = userRoleRelations.Where(ur => ur.UserId == userId).Select(ur => ur.RoleId).Distinct().ToArray();
+            var roleCodes = rolesForUser
+                .Select(rid => roleCodeMap.GetValueOrDefault(rid))
+                .Where(c => !string.IsNullOrWhiteSpace(c))
+                .Select(c => c!)
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .ToArray();
+
+            var permissionCodes = rolesForUser
+                .SelectMany(rid => rolePermissionsLookup.GetValueOrDefault(rid) ?? Array.Empty<long>())
+                .Select(pid => permissionCodeMap.GetValueOrDefault(pid))
+                .Where(code => !string.IsNullOrWhiteSpace(code))
+                .Select(code => code!)
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .ToArray();
+
+            result[userId] = (roleCodes, permissionCodes);
+        }
+
+        return result;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs
new file mode 100644
index 0000000..aaf6d71
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs
@@ -0,0 +1,35 @@
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 模板 DTO 映射工具。
+/// </summary>
+internal static class TemplateMapper
+{
+    /// <summary>
+    /// 将角色模板与权限编码集合映射为 DTO。
+    /// </summary>
+    /// <param name="template">角色模板实体。</param>
+    /// <param name="permissionCodes">权限编码集合。</param>
+    /// <returns>模板 DTO。</returns>
+    public static RoleTemplateDto ToDto(RoleTemplate template, IReadOnlyCollection<string> permissionCodes)
+    {
+        return new RoleTemplateDto
+        {
+            TemplateCode = template.TemplateCode,
+            Name = template.Name,
+            Description = template.Description,
+            IsActive = template.IsActive,
+            Permissions = permissionCodes
+                .Select(code => new PermissionTemplateDto
+                {
+                    Code = code,
+                    Name = code,
+                    Description = null
+                })
+                .ToArray()
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateIdentityUserCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateIdentityUserCommandHandler.cs
new file mode 100644
index 0000000..665ee40
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateIdentityUserCommandHandler.cs
@@ -0,0 +1,166 @@
+using MediatR;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 更新用户处理器。
+/// </summary>
+public sealed class UpdateIdentityUserCommandHandler(
+    IIdentityUserRepository identityUserRepository,
+    IUserRoleRepository userRoleRepository,
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    IAdminAuthService adminAuthService,
+    IIdentityOperationLogPublisher operationLogPublisher,
+    IMediator mediator)
+    : IRequestHandler<UpdateIdentityUserCommand, UserDetailDto?>
+{
+    /// <inheritdoc />
+    public async Task<UserDetailDto?> Handle(UpdateIdentityUserCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取当前租户与操作者档案
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        var operatorProfile = await adminAuthService.GetProfileAsync(currentUserAccessor.UserId, cancellationToken);
+
+        // 2. 校验跨租户访问
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户更新用户");
+        }
+
+        // 3. 获取用户实体
+        var user = await identityUserRepository.GetForUpdateAsync(request.UserId, cancellationToken);
+        if (user == null)
+        {
+            return null;
+        }
+
+        if (user.TenantId != currentTenantId)
+        {
+            return null;
+        }
+
+        // 4. 规范化输入并校验唯一性
+        var displayName = request.DisplayName.Trim();
+        var phone = string.IsNullOrWhiteSpace(request.Phone) ? null : request.Phone.Trim();
+        var email = string.IsNullOrWhiteSpace(request.Email) ? null : request.Email.Trim();
+        var roleIds = request.RoleIds == null ? null : ParseIds(request.RoleIds, "角色");
+
+        if (!string.IsNullOrWhiteSpace(phone)
+            && !string.Equals(phone, user.Phone, StringComparison.OrdinalIgnoreCase)
+            && await identityUserRepository.ExistsByPhoneAsync(user.TenantId, phone, user.Id, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "手机号已存在");
+        }
+
+        if (!string.IsNullOrWhiteSpace(email)
+            && !string.Equals(email, user.Email, StringComparison.OrdinalIgnoreCase)
+            && await identityUserRepository.ExistsByEmailAsync(user.TenantId, email, user.Id, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "邮箱已存在");
+        }
+
+        if (roleIds is { Length: > 0 })
+        {
+            var roles = await roleRepository.GetByIdsAsync(user.TenantId, roleIds, cancellationToken);
+            if (roles.Count != roleIds.Length)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "角色列表包含无效项");
+            }
+        }
+
+        // 5. 更新用户字段
+        user.DisplayName = displayName;
+        user.Phone = phone;
+        user.Email = email;
+        user.Avatar = string.IsNullOrWhiteSpace(request.Avatar) ? null : request.Avatar.Trim();
+
+        // 6. 构建操作日志消息
+        var operatorName = string.IsNullOrWhiteSpace(operatorProfile.DisplayName)
+            ? operatorProfile.Account
+            : operatorProfile.DisplayName;
+        if (string.IsNullOrWhiteSpace(operatorName))
+        {
+            operatorName = $"user:{currentUserAccessor.UserId}";
+        }
+
+        var logMessage = new IdentityUserOperationLogMessage
+        {
+            OperationType = "identity-user:update",
+            TargetType = "identity_user",
+            TargetIds = JsonSerializer.Serialize(new[] { user.Id }),
+            OperatorId = currentUserAccessor.UserId.ToString(),
+            OperatorName = operatorName,
+            Parameters = JsonSerializer.Serialize(new
+            {
+                userId = user.Id,
+                displayName,
+                phone,
+                email,
+                roleIds
+            }),
+            Result = JsonSerializer.Serialize(new { userId = user.Id }),
+            Success = true
+        };
+
+        // 7. 持久化用户更新并写入 Outbox
+        try
+        {
+            await operationLogPublisher.PublishAsync(logMessage, cancellationToken);
+            await identityUserRepository.SaveChangesAsync(cancellationToken);
+        }
+        catch (Exception ex) when (IsConcurrencyException(ex))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "用户数据已被修改，请刷新后重试");
+        }
+
+        // 8. 覆盖角色绑定（仅当显式传入时）
+        if (roleIds != null)
+        {
+            await userRoleRepository.ReplaceUserRolesAsync(user.TenantId, user.Id, roleIds, cancellationToken);
+        }
+
+        // 9. 返回用户详情
+        return await mediator.Send(new GetIdentityUserDetailQuery { UserId = user.Id }, cancellationToken);
+    }
+
+    private static long[] ParseIds(string[] values, string name)
+    {
+        // 1. 空数组直接返回
+        if (values.Length == 0)
+        {
+            return Array.Empty<long>();
+        }
+
+        // 2. 解析并去重
+        var ids = new List<long>(values.Length);
+        foreach (var value in values)
+        {
+            if (!long.TryParse(value, out var id) || id <= 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, $"{name} ID 无效");
+            }
+
+            ids.Add(id);
+        }
+
+        // 3. 返回去重结果
+        return ids.Distinct().ToArray();
+    }
+
+    private static bool IsConcurrencyException(Exception exception)
+        => string.Equals(exception.GetType().Name, "DbUpdateConcurrencyException", StringComparison.Ordinal);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateMenuCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateMenuCommandHandler.cs
new file mode 100644
index 0000000..37019b9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateMenuCommandHandler.cs
@@ -0,0 +1,55 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 更新菜单处理器。
+/// </summary>
+public sealed class UpdateMenuCommandHandler(IMenuRepository menuRepository)
+    : IRequestHandler<UpdateMenuCommand, MenuDefinitionDto?>
+{
+    /// <inheritdoc />
+    public async Task<MenuDefinitionDto?> Handle(UpdateMenuCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 菜单固定时禁止修改
+        if (!MenuPolicy.CanMaintainMenus)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "菜单已固定，禁止修改");
+        }
+
+        // 2. 校验存在
+        var entity = await menuRepository.FindByIdAsync(request.Id, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "菜单不存在");
+
+        // 3. 更新字段
+        entity.ParentId = request.ParentId;
+        entity.Name = request.Name.Trim();
+        entity.Path = request.Path.Trim();
+        entity.Component = request.Component.Trim();
+        entity.Title = request.Title.Trim();
+        entity.Icon = request.Icon?.Trim();
+        entity.IsIframe = request.IsIframe;
+        entity.Link = string.IsNullOrWhiteSpace(request.Link) ? null : request.Link.Trim();
+        entity.KeepAlive = request.KeepAlive;
+        entity.SortOrder = request.SortOrder;
+        entity.RequiredPermissions = MenuMapper.JoinCodes(request.RequiredPermissions);
+        entity.MetaPermissions = MenuMapper.JoinCodes(request.MetaPermissions);
+        entity.MetaRoles = MenuMapper.JoinCodes(request.MetaRoles);
+        entity.AuthListJson = request.AuthList.Count == 0
+            ? null
+            : System.Text.Json.JsonSerializer.Serialize(request.AuthList);
+
+        // 4. 持久化
+        await menuRepository.UpdateAsync(entity, cancellationToken);
+        await menuRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回 DTO
+        return MenuMapper.ToDto(entity);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdatePermissionCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdatePermissionCommandHandler.cs
new file mode 100644
index 0000000..d108dde
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdatePermissionCommandHandler.cs
@@ -0,0 +1,72 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 更新权限处理器。
+/// </summary>
+public sealed class UpdatePermissionCommandHandler(
+    IPermissionRepository permissionRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<UpdatePermissionCommand, PermissionDto?>
+{
+    /// <summary>
+    /// 执行权限更新。
+    /// </summary>
+    /// <param name="request">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的权限 DTO 或 null。</returns>
+    public async Task<PermissionDto?> Handle(UpdatePermissionCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 权限固定时禁止修改
+        if (!PermissionPolicy.CanMaintainPermissions)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "权限已固定，禁止修改");
+        }
+
+        // 2. 获取租户上下文并查询权限
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var permission = await permissionRepository.FindByIdAsync(request.PermissionId, tenantId, cancellationToken);
+        if (permission == null)
+        {
+            return null;
+        }
+
+        // 3. 更新字段
+        var normalizedType = string.IsNullOrWhiteSpace(request.Type)
+            ? "leaf"
+            : request.Type.Trim().ToLowerInvariant();
+        normalizedType = normalizedType is "group" or "leaf" ? normalizedType : "leaf";
+        var parentId = request.ParentId > 0 && request.ParentId != permission.Id
+            ? request.ParentId
+            : 0;
+        var sortOrder = request.SortOrder < 0 ? 0 : request.SortOrder;
+        permission.ParentId = parentId;
+        permission.SortOrder = sortOrder;
+        permission.Type = normalizedType;
+        permission.Name = request.Name;
+        permission.Description = request.Description;
+
+        // 4. 持久化
+        await permissionRepository.UpdateAsync(permission, cancellationToken);
+        await permissionRepository.SaveChangesAsync(cancellationToken);
+
+        // 5. 返回 DTO
+        return new PermissionDto
+        {
+            Id = permission.Id,
+            ParentId = permission.ParentId,
+            SortOrder = permission.SortOrder,
+            Type = permission.Type,
+            Name = permission.Name,
+            Code = permission.Code,
+            Description = permission.Description
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleCommandHandler.cs
new file mode 100644
index 0000000..01f7b67
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleCommandHandler.cs
@@ -0,0 +1,66 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 更新角色处理器。
+/// </summary>
+public sealed class UpdateRoleCommandHandler(
+    IRoleRepository roleRepository,
+    ITenantProvider tenantProvider)
+    : IRequestHandler<UpdateRoleCommand, RoleDto?>
+{
+    /// <summary>
+    /// 执行角色更新。
+    /// </summary>
+    /// <param name="request">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的角色 DTO 或 null。</returns>
+    public async Task<RoleDto?> Handle(UpdateRoleCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户上下文并校验跨租户
+        var currentTenantId = tenantProvider.GetCurrentTenantId();
+        if (currentTenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 2. (空行后) 禁止跨租户更新
+        if (request.TenantId.HasValue && request.TenantId.Value != currentTenantId)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "禁止跨租户更新角色");
+        }
+
+        // 3. (空行后) 查询角色
+        var tenantId = currentTenantId;
+        var role = await roleRepository.FindByIdAsync(request.RoleId, tenantId, cancellationToken);
+        if (role == null)
+        {
+            return null;
+        }
+
+        // 4. (空行后) 更新字段
+        role.Name = request.Name;
+        role.Description = request.Description;
+
+        // 5. (空行后) 持久化
+        await roleRepository.UpdateAsync(role, cancellationToken);
+        await roleRepository.SaveChangesAsync(cancellationToken);
+
+        // 6. (空行后) 返回 DTO
+        return new RoleDto
+        {
+            Id = role.Id,
+            TenantId = role.TenantId,
+            Name = role.Name,
+            Code = role.Code,
+            Description = role.Description
+        };
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs
new file mode 100644
index 0000000..a98bf6e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Commands;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.Identity.Handlers;
+
+/// <summary>
+/// 更新角色模板处理器。
+/// </summary>
+public sealed class UpdateRoleTemplateCommandHandler(IRoleTemplateRepository roleTemplateRepository)
+    : IRequestHandler<UpdateRoleTemplateCommand, RoleTemplateDto?>
+{
+    /// <inheritdoc />
+    public async Task<RoleTemplateDto?> Handle(UpdateRoleTemplateCommand request, CancellationToken cancellationToken)
+    {
+        if (string.IsNullOrWhiteSpace(request.TemplateCode) || string.IsNullOrWhiteSpace(request.Name))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "模板编码与名称不能为空");
+        }
+
+        var template = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken);
+        if (template == null)
+        {
+            return null;
+        }
+
+        template.Name = request.Name.Trim();
+        template.Description = request.Description;
+        template.IsActive = request.IsActive;
+
+        var permissions = request.PermissionCodes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        await roleTemplateRepository.UpdateAsync(template, permissions, cancellationToken);
+        await roleTemplateRepository.SaveChangesAsync(cancellationToken);
+
+        return TemplateMapper.ToDto(template, permissions);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/MenuPolicy.cs b/src/Application/TakeoutSaaS.Application/Identity/MenuPolicy.cs
new file mode 100644
index 0000000..4b8022b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/MenuPolicy.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Application.Identity;
+
+/// <summary>
+/// 菜单维护策略（固定菜单时禁用增删改）。
+/// </summary>
+public static class MenuPolicy
+{
+    /// <summary>
+    /// 是否允许维护菜单（创建/更新/删除）。
+    /// </summary>
+    public static bool CanMaintainMenus { get; } = false;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Models/IdentityUserBatchOperation.cs b/src/Application/TakeoutSaaS.Application/Identity/Models/IdentityUserBatchOperation.cs
new file mode 100644
index 0000000..017d489
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Models/IdentityUserBatchOperation.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Application.Identity.Models;
+
+/// <summary>
+/// 批量用户操作类型。
+/// </summary>
+public enum IdentityUserBatchOperation
+{
+    /// <summary>
+    /// 启用。
+    /// </summary>
+    Enable = 1,
+
+    /// <summary>
+    /// 禁用。
+    /// </summary>
+    Disable = 2,
+
+    /// <summary>
+    /// 删除。
+    /// </summary>
+    Delete = 3,
+
+    /// <summary>
+    /// 恢复。
+    /// </summary>
+    Restore = 4,
+
+    /// <summary>
+    /// 导出。
+    /// </summary>
+    Export = 5
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/PermissionPolicy.cs b/src/Application/TakeoutSaaS.Application/Identity/PermissionPolicy.cs
new file mode 100644
index 0000000..bec054c
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/PermissionPolicy.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Application.Identity;
+
+/// <summary>
+/// 权限管理策略。
+/// </summary>
+public static class PermissionPolicy
+{
+    /// <summary>
+    /// 是否允许维护权限定义（固定权限时为 false）。
+    /// </summary>
+    public static bool CanMaintainPermissions => false;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/GetIdentityUserDetailQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/GetIdentityUserDetailQuery.cs
new file mode 100644
index 0000000..f812bc8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/GetIdentityUserDetailQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 获取用户详情。
+/// </summary>
+public sealed record GetIdentityUserDetailQuery : IRequest<UserDetailDto?>
+{
+    /// <summary>
+    /// 用户 ID。
+    /// </summary>
+    public long UserId { get; init; }
+
+    /// <summary>
+    /// 是否包含已删除用户。
+    /// </summary>
+    public bool IncludeDeleted { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/GetRoleTemplateQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/GetRoleTemplateQuery.cs
new file mode 100644
index 0000000..b282312
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/GetRoleTemplateQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 获取单个角色模板详情。
+/// </summary>
+public sealed record GetRoleTemplateQuery : IRequest<RoleTemplateDto?>
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/GetUserPermissionsQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/GetUserPermissionsQuery.cs
new file mode 100644
index 0000000..84b11d2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/GetUserPermissionsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 按用户 ID 获取角色/权限概览。
+/// </summary>
+public sealed class GetUserPermissionsQuery : IRequest<UserPermissionDto?>
+{
+    /// <summary>
+    /// 用户 ID（雪花）。
+    /// </summary>
+    public long UserId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/ListMenusQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/ListMenusQuery.cs
new file mode 100644
index 0000000..429582b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/ListMenusQuery.cs
@@ -0,0 +1,12 @@
+using MediatR;
+using System.Collections.Generic;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 查询菜单列表（当前租户）。
+/// </summary>
+public sealed class ListMenusQuery : IRequest<IReadOnlyList<MenuDefinitionDto>>
+{
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs
new file mode 100644
index 0000000..1b76a6d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 查询角色模板列表。
+/// </summary>
+public sealed record ListRoleTemplatesQuery : IRequest<IReadOnlyList<RoleTemplateDto>>
+{
+    /// <summary>
+    /// 是否仅返回启用模板。
+    /// </summary>
+    public bool? IsActive { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/MenuDetailQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/MenuDetailQuery.cs
new file mode 100644
index 0000000..8809800
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/MenuDetailQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 菜单详情查询。
+/// </summary>
+public sealed class MenuDetailQuery : IRequest<MenuDefinitionDto?>
+{
+    /// <summary>
+    /// 菜单 ID。
+    /// </summary>
+    public long Id { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/PermissionTreeQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/PermissionTreeQuery.cs
new file mode 100644
index 0000000..5847f02
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/PermissionTreeQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 权限树查询。
+/// </summary>
+public sealed class PermissionTreeQuery : IRequest<IReadOnlyList<PermissionTreeDto>>
+{
+    /// <summary>
+    /// 关键字（可选）。
+    /// </summary>
+    public string? Keyword { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/RoleDetailQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/RoleDetailQuery.cs
new file mode 100644
index 0000000..e1d00ad
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/RoleDetailQuery.cs
@@ -0,0 +1,20 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 查询角色详情（含权限）。
+/// </summary>
+public sealed class RoleDetailQuery : IRequest<RoleDetailDto?>
+{
+    /// <summary>
+    /// 角色 ID。
+    /// </summary>
+    public long RoleId { get; init; }
+
+    /// <summary>
+    /// 租户 ID（空则取当前上下文）。
+    /// </summary>
+    public long? TenantId { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/RoleTemplatePermissionsQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/RoleTemplatePermissionsQuery.cs
new file mode 100644
index 0000000..ad84c9d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/RoleTemplatePermissionsQuery.cs
@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 查询角色模板权限列表。
+/// </summary>
+public sealed class RoleTemplatePermissionsQuery : IRequest<IReadOnlyList<PermissionTemplateDto>>
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchIdentityUsersQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchIdentityUsersQuery.cs
new file mode 100644
index 0000000..9ab3288
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchIdentityUsersQuery.cs
@@ -0,0 +1,77 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 用户列表查询。
+/// </summary>
+public sealed record SearchIdentityUsersQuery : IRequest<PagedResult<UserListItemDto>>
+{
+    /// <summary>
+    /// 租户 ID（可选，默认当前登录租户；禁止跨租户查询）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 关键字（账号/姓名/手机号/邮箱）。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 用户状态。
+    /// </summary>
+    public IdentityUserStatus? Status { get; init; }
+
+    /// <summary>
+    /// 角色 ID。
+    /// </summary>
+    public long? RoleId { get; init; }
+
+    /// <summary>
+    /// 创建开始时间（UTC）。
+    /// </summary>
+    public DateTime? CreatedAtFrom { get; init; }
+
+    /// <summary>
+    /// 创建结束时间（UTC）。
+    /// </summary>
+    public DateTime? CreatedAtTo { get; init; }
+
+    /// <summary>
+    /// 最近登录开始时间（UTC）。
+    /// </summary>
+    public DateTime? LastLoginFrom { get; init; }
+
+    /// <summary>
+    /// 最近登录结束时间（UTC）。
+    /// </summary>
+    public DateTime? LastLoginTo { get; init; }
+
+    /// <summary>
+    /// 是否包含已删除用户。
+    /// </summary>
+    public bool IncludeDeleted { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否降序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchPermissionsQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchPermissionsQuery.cs
new file mode 100644
index 0000000..1987a5a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchPermissionsQuery.cs
@@ -0,0 +1,32 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 分页查询权限。
+/// </summary>
+public sealed class SearchPermissionsQuery : IRequest<PagedResult<PermissionDto>>
+{
+    /// <summary>
+    /// 搜索关键字。
+    /// </summary>
+    public string? Keyword { get; init; }
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+    /// <summary>
+    /// 排序字段。
+    /// </summary>
+    public string? SortBy { get; init; }
+    /// <summary>
+    /// 是否降序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchRolesQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchRolesQuery.cs
new file mode 100644
index 0000000..7fccd3a
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchRolesQuery.cs
@@ -0,0 +1,37 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 分页查询角色。
+/// </summary>
+public sealed class SearchRolesQuery : IRequest<PagedResult<RoleDto>>
+{
+    /// <summary>
+    /// 指定查询的租户 ID（空则取当前上下文）。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 搜索关键字。
+    /// </summary>
+    public string? Keyword { get; init; }
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+    /// <summary>
+    /// 排序字段。
+    /// </summary>
+    public string? SortBy { get; init; }
+    /// <summary>
+    /// 是否降序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchUserPermissionsQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchUserPermissionsQuery.cs
new file mode 100644
index 0000000..1a6d557
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/SearchUserPermissionsQuery.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Shared.Abstractions.Results;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 按租户分页查询用户的角色/权限概览。
+/// </summary>
+public sealed class SearchUserPermissionsQuery : IRequest<PagedResult<UserPermissionDto>>
+{
+    /// <summary>
+    /// 关键字（账号或展示名称）。
+    /// </summary>
+    public string? Keyword { get; init; }
+
+    /// <summary>
+    /// 页码，从 1 开始。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页条数。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+
+    /// <summary>
+    /// 排序字段（account/displayName/createdAt）。
+    /// </summary>
+    public string? SortBy { get; init; }
+
+    /// <summary>
+    /// 是否倒序。
+    /// </summary>
+    public bool SortDescending { get; init; } = true;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs
new file mode 100644
index 0000000..8234d7e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs
@@ -0,0 +1,148 @@
+using Microsoft.AspNetCore.Http;
+using System.Net;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Identity.Services;
+
+/// <summary>
+/// 小程序认证服务实现。
+/// </summary>
+public sealed class MiniAuthService(
+    IWeChatAuthService weChatAuthService,
+    IMiniUserRepository miniUserRepository,
+    IJwtTokenService jwtTokenService,
+    IRefreshTokenStore refreshTokenStore,
+    ILoginRateLimiter rateLimiter,
+    IHttpContextAccessor httpContextAccessor,
+    ITenantProvider tenantProvider) : IMiniAuthService
+{
+    /// <summary>
+    /// 微信小程序登录：通过微信 code 获取用户信息并生成令牌。
+    /// </summary>
+    /// <param name="request">微信登录请求</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>令牌响应</returns>
+    /// <exception cref="BusinessException">获取微信用户信息失败、缺少租户标识时抛出</exception>
+    public async Task<TokenResponse> LoginWithWeChatAsync(WeChatLoginRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 限流检查（基于 IP 地址）
+        var throttleKey = BuildThrottleKey();
+        await rateLimiter.EnsureAllowedAsync(throttleKey, cancellationToken);
+
+        // 2. 通过微信 code 获取 session（OpenId、UnionId、SessionKey）
+        var session = await weChatAuthService.Code2SessionAsync(request.Code, cancellationToken);
+        if (string.IsNullOrWhiteSpace(session.OpenId))
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "获取微信用户信息失败");
+        }
+
+        // 3. 获取当前租户 ID（多租户支持）
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        if (tenantId == 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "缺少租户标识");
+        }
+
+        // 4. 获取或创建小程序用户（如果 OpenId 已存在则返回现有用户，否则创建新用户）
+        var (user, isNew) = await GetOrBindMiniUserAsync(session.OpenId, session.UnionId, request.Nickname, request.Avatar, tenantId, cancellationToken);
+
+        // 5. 登录成功后重置限流计数
+        await rateLimiter.ResetAsync(throttleKey, cancellationToken);
+
+        // 6. 构建用户档案并生成令牌
+        var profile = BuildProfile(user);
+        return await jwtTokenService.CreateTokensAsync(profile, isNew, cancellationToken);
+    }
+
+    /// <summary>
+    /// 刷新访问令牌：使用刷新令牌获取新的访问令牌和刷新令牌。
+    /// </summary>
+    /// <param name="request">刷新令牌请求</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>新的令牌响应</returns>
+    /// <exception cref="BusinessException">刷新令牌无效、已过期或用户不存在时抛出</exception>
+    public async Task<TokenResponse> RefreshTokenAsync(RefreshTokenRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 验证刷新令牌（检查是否存在、是否过期、是否已撤销）
+        var descriptor = await refreshTokenStore.GetAsync(request.RefreshToken, cancellationToken);
+        if (descriptor == null || descriptor.ExpiresAt <= DateTime.UtcNow || descriptor.Revoked)
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "RefreshToken 无效或已过期");
+        }
+
+        // 2. 根据用户 ID 查找用户
+        var user = await miniUserRepository.FindByIdAsync(descriptor.UserId, cancellationToken)
+                   ?? throw new BusinessException(ErrorCodes.Unauthorized, "用户不存在");
+
+        // 3. 撤销旧刷新令牌（防止重复使用）
+        await refreshTokenStore.RevokeAsync(descriptor.Token, cancellationToken);
+
+        // 4. 生成新的令牌对
+        var profile = BuildProfile(user);
+        return await jwtTokenService.CreateTokensAsync(profile, false, cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取用户档案。
+    /// </summary>
+    /// <param name="userId">用户 ID</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>用户档案</returns>
+    /// <exception cref="BusinessException">用户不存在时抛出</exception>
+    public async Task<CurrentUserProfile> GetProfileAsync(long userId, CancellationToken cancellationToken = default)
+    {
+        var user = await miniUserRepository.FindByIdAsync(userId, cancellationToken)
+                   ?? throw new BusinessException(ErrorCodes.NotFound, "用户不存在");
+
+        return BuildProfile(user);
+    }
+
+    /// <summary>
+    /// 获取或绑定小程序用户：如果 OpenId 已存在则返回现有用户，否则创建新用户。
+    /// </summary>
+    /// <param name="openId">微信 OpenId</param>
+    /// <param name="unionId">微信 UnionId（可选）</param>
+    /// <param name="nickname">昵称</param>
+    /// <param name="avatar">头像地址（可选）</param>
+    /// <param name="tenantId">租户 ID</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>用户实体和是否为新用户的元组</returns>
+    private async Task<(MiniUser user, bool isNew)> GetOrBindMiniUserAsync(string openId, string? unionId, string? nickname, string? avatar, long tenantId, CancellationToken cancellationToken)
+    {
+        // 检查用户是否已存在
+        var existing = await miniUserRepository.FindByOpenIdAsync(openId, cancellationToken);
+        if (existing != null)
+        {
+            return (existing, false);
+        }
+
+        // 创建新用户
+        var created = await miniUserRepository.CreateOrUpdateAsync(openId, unionId, nickname, avatar, tenantId, cancellationToken);
+        return (created, true);
+    }
+
+    private static CurrentUserProfile BuildProfile(MiniUser user)
+        => new()
+        {
+            UserId = user.Id,
+            Account = user.OpenId,
+            DisplayName = user.Nickname,
+            TenantId = user.TenantId,
+            MerchantId = null,
+            Roles = Array.Empty<string>(),
+            Permissions = Array.Empty<string>(),
+            Avatar = user.Avatar
+        };
+
+    private string BuildThrottleKey()
+    {
+        var ip = httpContextAccessor.HttpContext?.Connection.RemoteIpAddress ?? IPAddress.Loopback;
+        return $"mini-login:{ip}";
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Validators/BatchIdentityUserOperationCommandValidator.cs b/src/Application/TakeoutSaaS.Application/Identity/Validators/BatchIdentityUserOperationCommandValidator.cs
new file mode 100644
index 0000000..675e213
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Validators/BatchIdentityUserOperationCommandValidator.cs
@@ -0,0 +1,24 @@
+using FluentValidation;
+using TakeoutSaaS.Application.Identity.Commands;
+
+namespace TakeoutSaaS.Application.Identity.Validators;
+
+/// <summary>
+/// 批量用户操作命令验证器。
+/// </summary>
+public sealed class BatchIdentityUserOperationCommandValidator : AbstractValidator<BatchIdentityUserOperationCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public BatchIdentityUserOperationCommandValidator()
+    {
+        RuleFor(x => x.Operation).IsInEnum();
+        RuleFor(x => x.UserIds).NotEmpty().Must(ids => ids.Length <= 100)
+            .WithMessage("单次最多只能选择 100 个用户");
+        RuleForEach(x => x.UserIds)
+            .Must(value => long.TryParse(value, out _))
+            .WithMessage("用户 ID 必须为有效的数字字符串");
+        RuleFor(x => x.TenantId).GreaterThan(0).When(x => x.TenantId.HasValue);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Validators/CreateIdentityUserCommandValidator.cs b/src/Application/TakeoutSaaS.Application/Identity/Validators/CreateIdentityUserCommandValidator.cs
new file mode 100644
index 0000000..9c5451b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Validators/CreateIdentityUserCommandValidator.cs
@@ -0,0 +1,37 @@
+using FluentValidation;
+using TakeoutSaaS.Application.Identity.Commands;
+
+namespace TakeoutSaaS.Application.Identity.Validators;
+
+/// <summary>
+/// 创建用户命令验证器。
+/// </summary>
+public sealed class CreateIdentityUserCommandValidator : AbstractValidator<CreateIdentityUserCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateIdentityUserCommandValidator()
+    {
+        RuleFor(x => x.Account).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.DisplayName).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Password).NotEmpty().Length(6, 32);
+        RuleFor(x => x.Avatar).MaximumLength(512);
+        RuleFor(x => x.TenantId).GreaterThan(0).When(x => x.TenantId.HasValue);
+        RuleForEach(x => x.RoleIds)
+            .Must(value => long.TryParse(value, out _))
+            .WithMessage("角色 ID 必须为有效的数字字符串");
+        When(x => !string.IsNullOrWhiteSpace(x.Phone), () =>
+        {
+            RuleFor(x => x.Phone!)
+                .Matches("^1[3-9]\\d{9}$")
+                .WithMessage("手机号格式不正确");
+        });
+        When(x => !string.IsNullOrWhiteSpace(x.Email), () =>
+        {
+            RuleFor(x => x.Email!)
+                .EmailAddress()
+                .WithMessage("邮箱格式不正确");
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Validators/SearchIdentityUsersQueryValidator.cs b/src/Application/TakeoutSaaS.Application/Identity/Validators/SearchIdentityUsersQueryValidator.cs
new file mode 100644
index 0000000..409a51f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Validators/SearchIdentityUsersQueryValidator.cs
@@ -0,0 +1,28 @@
+using FluentValidation;
+using TakeoutSaaS.Application.Identity.Queries;
+
+namespace TakeoutSaaS.Application.Identity.Validators;
+
+/// <summary>
+/// 用户列表查询验证器。
+/// </summary>
+public sealed class SearchIdentityUsersQueryValidator : AbstractValidator<SearchIdentityUsersQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchIdentityUsersQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.Keyword).MaximumLength(128);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+        RuleFor(x => x.TenantId).GreaterThan(0).When(x => x.TenantId.HasValue);
+        RuleFor(x => x.CreatedAtTo)
+            .GreaterThanOrEqualTo(x => x.CreatedAtFrom)
+            .When(x => x.CreatedAtFrom.HasValue && x.CreatedAtTo.HasValue);
+        RuleFor(x => x.LastLoginTo)
+            .GreaterThanOrEqualTo(x => x.LastLoginFrom)
+            .When(x => x.LastLoginFrom.HasValue && x.LastLoginTo.HasValue);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Validators/UpdateIdentityUserCommandValidator.cs b/src/Application/TakeoutSaaS.Application/Identity/Validators/UpdateIdentityUserCommandValidator.cs
new file mode 100644
index 0000000..44ce8f1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Identity/Validators/UpdateIdentityUserCommandValidator.cs
@@ -0,0 +1,37 @@
+using FluentValidation;
+using TakeoutSaaS.Application.Identity.Commands;
+
+namespace TakeoutSaaS.Application.Identity.Validators;
+
+/// <summary>
+/// 更新用户命令验证器。
+/// </summary>
+public sealed class UpdateIdentityUserCommandValidator : AbstractValidator<UpdateIdentityUserCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateIdentityUserCommandValidator()
+    {
+        RuleFor(x => x.UserId).GreaterThan(0);
+        RuleFor(x => x.DisplayName).NotEmpty().MaximumLength(64);
+        RuleFor(x => x.Avatar).MaximumLength(512);
+        RuleFor(x => x.TenantId).GreaterThan(0).When(x => x.TenantId.HasValue);
+        RuleForEach(x => x.RoleIds)
+            .Must(value => long.TryParse(value, out _))
+            .WithMessage("角色 ID 必须为有效的数字字符串")
+            .When(x => x.RoleIds != null);
+        When(x => !string.IsNullOrWhiteSpace(x.Phone), () =>
+        {
+            RuleFor(x => x.Phone!)
+                .Matches("^1[3-9]\\d{9}$")
+                .WithMessage("手机号格式不正确");
+        });
+        When(x => !string.IsNullOrWhiteSpace(x.Email), () =>
+        {
+            RuleFor(x => x.Email!)
+                .EmailAddress()
+                .WithMessage("邮箱格式不正确");
+        });
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs b/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs
new file mode 100644
index 0000000..c17a6f7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Application.Messaging.Abstractions;
+
+/// <summary>
+/// 领域事件发布抽象。
+/// </summary>
+public interface IEventPublisher
+{
+    /// <summary>
+    /// 发布领域事件。
+    /// </summary>
+    Task PublishAsync<TEvent>(string routingKey, TEvent @event, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/EventRoutingKeys.cs b/src/Application/TakeoutSaaS.Application/Messaging/EventRoutingKeys.cs
new file mode 100644
index 0000000..c161ef3
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Messaging/EventRoutingKeys.cs
@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Application.Messaging;
+
+/// <summary>
+/// 事件路由键常量。
+/// </summary>
+public static class EventRoutingKeys
+{
+    /// <summary>
+    /// 订单创建事件路由键。
+    /// </summary>
+    public const string OrderCreated = "orders.created";
+
+    /// <summary>
+    /// 支付成功事件路由键。
+    /// </summary>
+    public const string PaymentSucceeded = "payments.succeeded";
+}
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Events/OrderCreatedEvent.cs b/src/Application/TakeoutSaaS.Application/Messaging/Events/OrderCreatedEvent.cs
new file mode 100644
index 0000000..2a84f05
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Events/OrderCreatedEvent.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Application.Messaging.Events;
+
+/// <summary>
+/// 订单创建事件。
+/// </summary>
+public sealed class OrderCreatedEvent
+{
+    /// <summary>
+    /// 订单标识。
+    /// </summary>
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 订单编号。
+    /// </summary>
+    public string OrderNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 实付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 所属租户。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 创建时间（UTC）。
+    /// </summary>
+    public DateTime CreatedAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Events/PaymentSucceededEvent.cs b/src/Application/TakeoutSaaS.Application/Messaging/Events/PaymentSucceededEvent.cs
new file mode 100644
index 0000000..b0094f7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Events/PaymentSucceededEvent.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Application.Messaging.Events;
+
+/// <summary>
+/// 支付成功事件。
+/// </summary>
+public sealed class PaymentSucceededEvent
+{
+    /// <summary>
+    /// 订单标识。
+    /// </summary>
+    public long OrderId { get; init; }
+
+    /// <summary>
+    /// 支付流水号。
+    /// </summary>
+    public string PaymentNo { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 支付金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 所属租户。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 支付时间（UTC）。
+    /// </summary>
+    public DateTime PaidAt { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Extensions/MessagingServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/Messaging/Extensions/MessagingServiceCollectionExtensions.cs
new file mode 100644
index 0000000..82e9614
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Extensions/MessagingServiceCollectionExtensions.cs
@@ -0,0 +1,20 @@
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Messaging.Abstractions;
+using TakeoutSaaS.Application.Messaging.Services;
+
+namespace TakeoutSaaS.Application.Messaging.Extensions;
+
+/// <summary>
+/// 消息模块应用层注册。
+/// </summary>
+public static class MessagingServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册事件发布器。
+    /// </summary>
+    public static IServiceCollection AddMessagingApplication(this IServiceCollection services)
+    {
+        services.AddScoped<IEventPublisher, EventPublisher>();
+        return services;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs b/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs
new file mode 100644
index 0000000..d87dc80
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs
@@ -0,0 +1,14 @@
+using TakeoutSaaS.Application.Messaging.Abstractions;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+
+namespace TakeoutSaaS.Application.Messaging.Services;
+
+/// <summary>
+/// 事件发布适配器，封装应用层到 MQ 的发布。
+/// </summary>
+public sealed class EventPublisher(IMessagePublisher messagePublisher) : IEventPublisher
+{
+    /// <inheritdoc />
+    public Task PublishAsync<TEvent>(string routingKey, TEvent @event, CancellationToken cancellationToken = default)
+        => messagePublisher.PublishAsync(routingKey, @event, cancellationToken);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs b/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs
new file mode 100644
index 0000000..4eab7cc
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs
@@ -0,0 +1,19 @@
+using TakeoutSaaS.Application.Sms.Contracts;
+
+namespace TakeoutSaaS.Application.Sms.Abstractions;
+
+/// <summary>
+/// 短信验证码服务抽象。
+/// </summary>
+public interface IVerificationCodeService
+{
+    /// <summary>
+    /// 发送验证码。
+    /// </summary>
+    Task<SendVerificationCodeResponse> SendAsync(SendVerificationCodeRequest request, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 校验验证码。
+    /// </summary>
+    Task<bool> VerifyAsync(VerifyVerificationCodeRequest request, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeRequest.cs b/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeRequest.cs
new file mode 100644
index 0000000..5a1bca6
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeRequest.cs
@@ -0,0 +1,27 @@
+using TakeoutSaaS.Module.Sms;
+
+namespace TakeoutSaaS.Application.Sms.Contracts;
+
+/// <summary>
+/// 发送验证码请求。
+/// </summary>
+/// <remarks>
+/// 创建发送请求。
+/// </remarks>
+public sealed class SendVerificationCodeRequest(string phoneNumber, string scene, SmsProviderKind? provider = null)
+{
+    /// <summary>
+    /// 手机号（支持 +86 前缀或纯 11 位）。
+    /// </summary>
+    public string PhoneNumber { get; } = phoneNumber;
+
+    /// <summary>
+    /// 业务场景（如 login/register/reset）。
+    /// </summary>
+    public string Scene { get; } = scene;
+
+    /// <summary>
+    /// 指定服务商，未指定则使用默认配置。
+    /// </summary>
+    public SmsProviderKind? Provider { get; } = provider;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs b/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs
new file mode 100644
index 0000000..e9f84f1
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs
@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Application.Sms.Contracts;
+
+/// <summary>
+/// 发送验证码响应。
+/// </summary>
+public sealed class SendVerificationCodeResponse
+{
+    /// <summary>
+    /// 过期时间。
+    /// </summary>
+    public DateTimeOffset ExpiresAt { get; set; }
+
+    /// <summary>
+    /// 请求标识。
+    /// </summary>
+    public string? RequestId { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Contracts/VerifyVerificationCodeRequest.cs b/src/Application/TakeoutSaaS.Application/Sms/Contracts/VerifyVerificationCodeRequest.cs
new file mode 100644
index 0000000..9eb1262
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Contracts/VerifyVerificationCodeRequest.cs
@@ -0,0 +1,25 @@
+namespace TakeoutSaaS.Application.Sms.Contracts;
+
+/// <summary>
+/// 校验验证码请求。
+/// </summary>
+/// <remarks>
+/// 创建校验请求。
+/// </remarks>
+public sealed class VerifyVerificationCodeRequest(string phoneNumber, string scene, string code)
+{
+    /// <summary>
+    /// 手机号。
+    /// </summary>
+    public string PhoneNumber { get; } = phoneNumber;
+
+    /// <summary>
+    /// 业务场景。
+    /// </summary>
+    public string Scene { get; } = scene;
+
+    /// <summary>
+    /// 填写的验证码。
+    /// </summary>
+    public string Code { get; } = code;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Extensions/SmsServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/Sms/Extensions/SmsServiceCollectionExtensions.cs
new file mode 100644
index 0000000..5a4d7c7
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Extensions/SmsServiceCollectionExtensions.cs
@@ -0,0 +1,27 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Sms.Abstractions;
+using TakeoutSaaS.Application.Sms.Options;
+using TakeoutSaaS.Application.Sms.Services;
+
+namespace TakeoutSaaS.Application.Sms.Extensions;
+
+/// <summary>
+/// 短信应用服务注册扩展。
+/// </summary>
+public static class SmsServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册短信验证码应用服务。
+    /// </summary>
+    public static IServiceCollection AddSmsApplication(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<VerificationCodeOptions>()
+            .Bind(configuration.GetSection("Sms:VerificationCode"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddScoped<IVerificationCodeService, VerificationCodeService>();
+        return services;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Options/VerificationCodeOptions.cs b/src/Application/TakeoutSaaS.Application/Sms/Options/VerificationCodeOptions.cs
new file mode 100644
index 0000000..fd49271
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Options/VerificationCodeOptions.cs
@@ -0,0 +1,33 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Sms.Options;
+
+/// <summary>
+/// 验证码发送配置。
+/// </summary>
+public sealed class VerificationCodeOptions
+{
+    /// <summary>
+    /// 验证码位数，默认 6。
+    /// </summary>
+    [Range(4, 10)]
+    public int CodeLength { get; set; } = 6;
+
+    /// <summary>
+    /// 过期时间（分钟）。
+    /// </summary>
+    [Range(1, 60)]
+    public int ExpireMinutes { get; set; } = 5;
+
+    /// <summary>
+    /// 发送冷却时间（秒），用于防止频繁请求。
+    /// </summary>
+    [Range(10, 300)]
+    public int CooldownSeconds { get; set; } = 60;
+
+    /// <summary>
+    /// 缓存前缀。
+    /// </summary>
+    [Required]
+    public string CachePrefix { get; set; } = "sms:code";
+}
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs b/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs
new file mode 100644
index 0000000..1fbac0f
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs
@@ -0,0 +1,155 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using System.Text;
+using TakeoutSaaS.Application.Sms.Abstractions;
+using TakeoutSaaS.Application.Sms.Contracts;
+using TakeoutSaaS.Application.Sms.Options;
+using TakeoutSaaS.Module.Sms.Abstractions;
+using TakeoutSaaS.Module.Sms.Models;
+using TakeoutSaaS.Module.Sms.Options;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Sms.Services;
+
+/// <summary>
+/// 短信验证码服务实现。
+/// </summary>
+public sealed class VerificationCodeService(
+    ISmsSenderResolver senderResolver,
+    IOptionsMonitor<SmsOptions> smsOptionsMonitor,
+    IOptionsMonitor<VerificationCodeOptions> codeOptionsMonitor,
+    ITenantProvider tenantProvider,
+    IDistributedCache cache,
+    ILogger<VerificationCodeService> logger) : IVerificationCodeService
+{
+    /// <inheritdoc />
+    public async Task<SendVerificationCodeResponse> SendAsync(SendVerificationCodeRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 参数校验
+        if (string.IsNullOrWhiteSpace(request.PhoneNumber))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "手机号不能为空");
+        }
+
+        if (string.IsNullOrWhiteSpace(request.Scene))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "场景不能为空");
+        }
+
+        // 2. 解析模板与缓存键
+        var smsOptions = smsOptionsMonitor.CurrentValue;
+        var codeOptions = codeOptionsMonitor.CurrentValue;
+        var templateCode = ResolveTemplate(request.Scene, smsOptions);
+        var phone = NormalizePhoneNumber(request.PhoneNumber);
+        var tenantKey = tenantProvider.GetCurrentTenantId() == 0 ? "platform" : tenantProvider.GetCurrentTenantId().ToString();
+        var cacheKey = $"{codeOptions.CachePrefix}:{tenantKey}:{request.Scene}:{phone}";
+        var cooldownKey = $"{cacheKey}:cooldown";
+
+        // 3. 检查冷却期
+        await EnsureCooldownAsync(cooldownKey, codeOptions.CooldownSeconds, cancellationToken).ConfigureAwait(false);
+
+        // 4. 生成验证码并发送短信
+        var code = GenerateCode(codeOptions.CodeLength);
+        var variables = new Dictionary<string, string> { { "code", code } };
+        var sender = senderResolver.Resolve(request.Provider);
+
+        var smsRequest = new SmsSendRequest(phone, templateCode, variables, smsOptions.DefaultSignName);
+        var smsResult = await sender.SendAsync(smsRequest, cancellationToken).ConfigureAwait(false);
+        if (!smsResult.Success)
+        {
+            throw new BusinessException(ErrorCodes.InternalServerError, $"短信发送失败：{smsResult.Message}");
+        }
+
+        // 5. 写入验证码与冷却缓存
+        var expiresAt = DateTimeOffset.UtcNow.AddMinutes(codeOptions.ExpireMinutes);
+        await cache.SetStringAsync(cacheKey, code, new DistributedCacheEntryOptions
+        {
+            AbsoluteExpiration = expiresAt
+        }, cancellationToken).ConfigureAwait(false);
+
+        await cache.SetStringAsync(cooldownKey, "1", new DistributedCacheEntryOptions
+        {
+            AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(codeOptions.CooldownSeconds)
+        }, cancellationToken).ConfigureAwait(false);
+
+        logger.LogInformation("发送验证码成功，Phone:{Phone} Scene:{Scene} Tenant:{Tenant}", phone, request.Scene, tenantKey);
+        return new SendVerificationCodeResponse
+        {
+            ExpiresAt = expiresAt,
+            RequestId = smsResult.RequestId
+        };
+    }
+
+    /// <inheritdoc />
+    public async Task<bool> VerifyAsync(VerifyVerificationCodeRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 基础校验
+        if (string.IsNullOrWhiteSpace(request.Code))
+        {
+            return false;
+        }
+
+        // 2. 读取验证码
+        var codeOptions = codeOptionsMonitor.CurrentValue;
+        var phone = NormalizePhoneNumber(request.PhoneNumber);
+        var tenantKey = tenantProvider.GetCurrentTenantId() == 0 ? "platform" : tenantProvider.GetCurrentTenantId().ToString();
+        var cacheKey = $"{codeOptions.CachePrefix}:{tenantKey}:{request.Scene}:{phone}";
+
+        var cachedCode = await cache.GetStringAsync(cacheKey, cancellationToken).ConfigureAwait(false);
+        if (string.IsNullOrWhiteSpace(cachedCode))
+        {
+            return false;
+        }
+
+        // 3. 比对成功后清除缓存
+        var success = string.Equals(cachedCode, request.Code, StringComparison.Ordinal);
+        if (success)
+        {
+            await cache.RemoveAsync(cacheKey, cancellationToken).ConfigureAwait(false);
+        }
+
+        return success;
+    }
+
+    private static string ResolveTemplate(string scene, SmsOptions options)
+    {
+        if (options.SceneTemplates.TryGetValue(scene, out var template) && !string.IsNullOrWhiteSpace(template))
+        {
+            return template;
+        }
+
+        throw new BusinessException(ErrorCodes.BadRequest, $"未配置场景 {scene} 的短信模板");
+    }
+
+    private static string NormalizePhoneNumber(string phone)
+    {
+        var trimmed = phone.Trim();
+        return trimmed.StartsWith("+", StringComparison.Ordinal) ? trimmed : $"+86{trimmed}";
+    }
+
+    private static string GenerateCode(int length)
+    {
+        var buffer = new byte[length];
+        RandomNumberGenerator.Fill(buffer);
+        var builder = new StringBuilder(length);
+        foreach (var b in buffer)
+        {
+            builder.Append((b % 10).ToString());
+        }
+
+        return builder.ToString()[..length];
+    }
+
+    private async Task EnsureCooldownAsync(string cooldownKey, int cooldownSeconds, CancellationToken cancellationToken)
+    {
+        var existing = await cache.GetStringAsync(cooldownKey, cancellationToken).ConfigureAwait(false);
+        if (!string.IsNullOrEmpty(existing))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "请求过于频繁，请稍后再试");
+        }
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs b/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs
new file mode 100644
index 0000000..b92f66d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs
@@ -0,0 +1,19 @@
+using TakeoutSaaS.Application.Storage.Contracts;
+
+namespace TakeoutSaaS.Application.Storage.Abstractions;
+
+/// <summary>
+/// 文件存储应用服务抽象。
+/// </summary>
+public interface IFileStorageService
+{
+    /// <summary>
+    /// 通过服务端中转上传文件。
+    /// </summary>
+    Task<FileUploadResponse> UploadAsync(UploadFileRequest request, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 生成前端直传凭证（预签名上传）。
+    /// </summary>
+    Task<DirectUploadResponse> CreateDirectUploadAsync(DirectUploadRequest request, CancellationToken cancellationToken = default);
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadRequest.cs b/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadRequest.cs
new file mode 100644
index 0000000..48e05eb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadRequest.cs
@@ -0,0 +1,37 @@
+using TakeoutSaaS.Application.Storage.Enums;
+
+namespace TakeoutSaaS.Application.Storage.Contracts;
+
+/// <summary>
+/// 直传凭证请求模型。
+/// </summary>
+/// <remarks>
+/// 创建直传请求。
+/// </remarks>
+public sealed class DirectUploadRequest(UploadFileType fileType, string fileName, string contentType, long contentLength, string? requestOrigin)
+{
+    /// <summary>
+    /// 文件类型。
+    /// </summary>
+    public UploadFileType FileType { get; } = fileType;
+
+    /// <summary>
+    /// 文件名。
+    /// </summary>
+    public string FileName { get; } = fileName;
+
+    /// <summary>
+    /// 内容类型。
+    /// </summary>
+    public string ContentType { get; } = contentType;
+
+    /// <summary>
+    /// 文件长度。
+    /// </summary>
+    public long ContentLength { get; } = contentLength;
+
+    /// <summary>
+    /// 请求来源（Origin/Referer）。
+    /// </summary>
+    public string? RequestOrigin { get; } = requestOrigin;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs b/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs
new file mode 100644
index 0000000..de1ab0b
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Application.Storage.Contracts;
+
+/// <summary>
+/// 直传凭证响应模型。
+/// </summary>
+public sealed class DirectUploadResponse
+{
+    /// <summary>
+    /// 预签名上传地址。
+    /// </summary>
+    public string UploadUrl { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 表单直传所需字段（PUT 直传为空）。
+    /// </summary>
+    public IReadOnlyDictionary<string, string> FormFields { get; set; } = new Dictionary<string, string>();
+
+    /// <summary>
+    /// 预签名过期时间。
+    /// </summary>
+    public DateTimeOffset ExpiresAt { get; set; }
+
+    /// <summary>
+    /// 对象键。
+    /// </summary>
+    public string ObjectKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 直传完成后的访问链接（包含签名）。
+    /// </summary>
+    public string? DownloadUrl { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Contracts/FileUploadResponse.cs b/src/Application/TakeoutSaaS.Application/Storage/Contracts/FileUploadResponse.cs
new file mode 100644
index 0000000..3f12168
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Contracts/FileUploadResponse.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Application.Storage.Contracts;
+
+/// <summary>
+/// 上传完成后的返回模型。
+/// </summary>
+public sealed class FileUploadResponse
+{
+    /// <summary>
+    /// 访问 URL（已包含签名）。
+    /// </summary>
+    public string Url { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 文件名。
+    /// </summary>
+    public string FileName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 文件大小。
+    /// </summary>
+    public long FileSize { get; set; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs b/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs
new file mode 100644
index 0000000..43e12f2
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs
@@ -0,0 +1,48 @@
+using TakeoutSaaS.Application.Storage.Enums;
+
+namespace TakeoutSaaS.Application.Storage.Contracts;
+
+/// <summary>
+/// 上传文件请求模型。
+/// </summary>
+/// <remarks>
+/// 创建上传文件请求。
+/// </remarks>
+public sealed class UploadFileRequest(
+    UploadFileType fileType,
+    Stream content,
+    string fileName,
+    string contentType,
+    long contentLength,
+    string? requestOrigin)
+{
+    /// <summary>
+    /// 文件分类。
+    /// </summary>
+    public UploadFileType FileType { get; } = fileType;
+
+    /// <summary>
+    /// 文件流。
+    /// </summary>
+    public Stream Content { get; } = content;
+
+    /// <summary>
+    /// 原始文件名。
+    /// </summary>
+    public string FileName { get; } = fileName;
+
+    /// <summary>
+    /// 内容类型。
+    /// </summary>
+    public string ContentType { get; } = contentType;
+
+    /// <summary>
+    /// 文件大小。
+    /// </summary>
+    public long ContentLength { get; } = contentLength;
+
+    /// <summary>
+    /// 请求来源（Origin/Referer）。
+    /// </summary>
+    public string? RequestOrigin { get; } = requestOrigin;
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Enums/UploadFileType.cs b/src/Application/TakeoutSaaS.Application/Storage/Enums/UploadFileType.cs
new file mode 100644
index 0000000..4839bf5
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Enums/UploadFileType.cs
@@ -0,0 +1,37 @@
+namespace TakeoutSaaS.Application.Storage.Enums;
+
+/// <summary>
+/// 上传文件类型，映射业务场景。
+/// </summary>
+public enum UploadFileType
+{
+    /// <summary>
+    /// 菜品图片。
+    /// </summary>
+    DishImage = 1,
+
+    /// <summary>
+    /// 商户 Logo。
+    /// </summary>
+    MerchantLogo = 2,
+
+    /// <summary>
+    /// 用户头像。
+    /// </summary>
+    UserAvatar = 3,
+
+    /// <summary>
+    /// 评价图片。
+    /// </summary>
+    ReviewImage = 4,
+
+    /// <summary>
+    /// 入住资质文件。
+    /// </summary>
+    BusinessLicense = 5,
+
+    /// <summary>
+    /// 其他通用文件。
+    /// </summary>
+    Other = 9
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Extensions/StorageServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/Storage/Extensions/StorageServiceCollectionExtensions.cs
new file mode 100644
index 0000000..1301804
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Extensions/StorageServiceCollectionExtensions.cs
@@ -0,0 +1,20 @@
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Storage.Abstractions;
+using TakeoutSaaS.Application.Storage.Services;
+
+namespace TakeoutSaaS.Application.Storage.Extensions;
+
+/// <summary>
+/// 存储应用服务注册扩展。
+/// </summary>
+public static class StorageServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册文件存储应用服务。
+    /// </summary>
+    public static IServiceCollection AddStorageApplication(this IServiceCollection services)
+    {
+        services.AddScoped<IFileStorageService, FileStorageService>();
+        return services;
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs b/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs
new file mode 100644
index 0000000..a4afe1d
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs
@@ -0,0 +1,46 @@
+using TakeoutSaaS.Application.Storage.Enums;
+
+namespace TakeoutSaaS.Application.Storage.Extensions;
+
+/// <summary>
+/// 上传类型解析与辅助方法。
+/// </summary>
+public static class UploadFileTypeParser
+{
+    /// <summary>
+    /// 将字符串解析为上传类型。
+    /// </summary>
+    public static bool TryParse(string? value, out UploadFileType type)
+    {
+        type = UploadFileType.Other;
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return false;
+        }
+
+        var normalized = value.Trim().ToLowerInvariant();
+        type = normalized switch
+        {
+            "dish_image" => UploadFileType.DishImage,
+            "merchant_logo" => UploadFileType.MerchantLogo,
+            "user_avatar" => UploadFileType.UserAvatar,
+            "review_image" => UploadFileType.ReviewImage,
+            "business_license" => UploadFileType.BusinessLicense,
+            _ => UploadFileType.Other
+        };
+
+        return type != UploadFileType.Other || normalized == "other";
+    }
+
+    /// <summary>
+    /// 将上传类型转换为路径片段。
+    /// </summary>
+    public static string ToFolderName(this UploadFileType type) => type switch
+    {
+        UploadFileType.DishImage => "dishes",
+        UploadFileType.MerchantLogo => "merchants",
+        UploadFileType.UserAvatar => "users",
+        UploadFileType.ReviewImage => "reviews",
+        _ => "files"
+    };
+}
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs b/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs
new file mode 100644
index 0000000..17eb087
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs
@@ -0,0 +1,282 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using System.Text;
+using TakeoutSaaS.Application.Storage.Abstractions;
+using TakeoutSaaS.Application.Storage.Contracts;
+using TakeoutSaaS.Application.Storage.Enums;
+using TakeoutSaaS.Application.Storage.Extensions;
+using TakeoutSaaS.Module.Storage.Abstractions;
+using TakeoutSaaS.Module.Storage.Models;
+using TakeoutSaaS.Module.Storage.Options;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.Storage.Services;
+
+/// <summary>
+/// 文件存储应用服务，实现上传与直传凭证生成。
+/// </summary>
+public sealed class FileStorageService(
+    IStorageProviderResolver providerResolver,
+    IOptionsMonitor<StorageOptions> optionsMonitor,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor currentUserAccessor,
+    ILogger<FileStorageService> logger) : IFileStorageService
+{
+    /// <inheritdoc />
+    public async Task<FileUploadResponse> UploadAsync(UploadFileRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 校验请求
+        if (request is null)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "上传请求不能为空");
+        }
+
+        // 2. 读取安全配置并校验来源/大小/类型
+        var options = optionsMonitor.CurrentValue;
+        var security = options.Security;
+        ValidateOrigin(request.RequestOrigin, security);
+        ValidateFileSize(request.ContentLength, security);
+
+        var extension = NormalizeExtension(request.FileName);
+        ValidateExtension(request.FileType, extension, security);
+        var contentType = NormalizeContentType(request.ContentType, extension);
+        ResetStream(request.Content);
+
+        // 3. 生成对象键与元数据
+        var objectKey = BuildObjectKey(request.FileType, extension);
+        var metadata = BuildMetadata(request.FileType);
+        var expires = TimeSpan.FromMinutes(Math.Max(1, security.DefaultUrlExpirationMinutes));
+        var provider = providerResolver.Resolve();
+
+        // 4. 上传到对象存储
+        var uploadResult = await provider.UploadAsync(
+            new StorageUploadRequest(objectKey, request.Content, contentType, request.ContentLength, false, expires, metadata),
+            cancellationToken).ConfigureAwait(false);
+
+        // 5. 构造公开访问链接并返回
+        var finalUrl = provider.BuildPublicUrl(uploadResult.ObjectKey);
+        logger.LogInformation("文件上传成功：{ObjectKey} ({Size} bytes)", objectKey, request.ContentLength);
+
+        return new FileUploadResponse
+        {
+            Url = finalUrl,
+            FileName = Path.GetFileName(uploadResult.ObjectKey),
+            FileSize = uploadResult.FileSize
+        };
+    }
+
+    /// <inheritdoc />
+    public async Task<DirectUploadResponse> CreateDirectUploadAsync(DirectUploadRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 校验请求
+        if (request is null)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "直传请求不能为空");
+        }
+
+        // 2. 校验来源/大小/类型
+        var options = optionsMonitor.CurrentValue;
+        var security = options.Security;
+        ValidateOrigin(request.RequestOrigin, security);
+        ValidateFileSize(request.ContentLength, security);
+
+        var extension = NormalizeExtension(request.FileName);
+        ValidateExtension(request.FileType, extension, security);
+        var contentType = NormalizeContentType(request.ContentType, extension);
+
+        // 3. 构建直传参数
+        var objectKey = BuildObjectKey(request.FileType, extension);
+        var provider = providerResolver.Resolve();
+        var expires = TimeSpan.FromMinutes(Math.Max(1, security.DefaultUrlExpirationMinutes));
+
+        // 4. 向存储获取直传凭证
+        var directResult = await provider.CreateDirectUploadAsync(
+            new StorageDirectUploadRequest(objectKey, contentType, request.ContentLength, expires),
+            cancellationToken).ConfigureAwait(false);
+
+        // 5. 构造直传结果并追加防盗链
+        var finalDownloadUrl = directResult.SignedDownloadUrl != null
+            ? AppendAntiLeechToken(directResult.SignedDownloadUrl, objectKey, expires, security)
+            : null;
+
+        return new DirectUploadResponse
+        {
+            UploadUrl = directResult.UploadUrl,
+            FormFields = directResult.FormFields,
+            ExpiresAt = directResult.ExpiresAt,
+            ObjectKey = directResult.ObjectKey,
+            DownloadUrl = finalDownloadUrl
+        };
+    }
+
+    /// <summary>
+    /// 校验文件大小。
+    /// </summary>
+    private static void ValidateFileSize(long size, StorageSecurityOptions security)
+    {
+        if (size <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "文件内容为空");
+        }
+
+        if (size > security.MaxFileSizeBytes)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, $"文件过大，最大允许 {security.MaxFileSizeBytes / 1024 / 1024}MB");
+        }
+    }
+
+    /// <summary>
+    /// 校验文件后缀是否符合配置。
+    /// </summary>
+    private static void ValidateExtension(UploadFileType type, string extension, StorageSecurityOptions security)
+    {
+        var allowedImages = security.AllowedImageExtensions ?? Array.Empty<string>();
+        var allowedFiles = security.AllowedFileExtensions ?? Array.Empty<string>();
+
+        if (type is UploadFileType.DishImage or UploadFileType.MerchantLogo or UploadFileType.UserAvatar or UploadFileType.ReviewImage)
+        {
+            if (!allowedImages.Contains(extension, StringComparer.OrdinalIgnoreCase))
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, $"不支持的图片格式：{extension}");
+            }
+        }
+        else if (!allowedFiles.Contains(extension, StringComparer.OrdinalIgnoreCase))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, $"不支持的文件格式：{extension}");
+        }
+    }
+
+    /// <summary>
+    /// 统一化文件后缀（小写，默认 .bin）。
+    /// </summary>
+    private static string NormalizeExtension(string fileName)
+    {
+        var extension = Path.GetExtension(fileName);
+        if (string.IsNullOrWhiteSpace(extension))
+        {
+            return ".bin";
+        }
+
+        return extension.ToLowerInvariant();
+    }
+
+    /// <summary>
+    /// 根据内容类型或后缀推断 Content-Type。
+    /// </summary>
+    private static string NormalizeContentType(string contentType, string extension)
+    {
+        if (!string.IsNullOrWhiteSpace(contentType))
+        {
+            return contentType;
+        }
+
+        return extension switch
+        {
+            ".jpg" or ".jpeg" => "image/jpeg",
+            ".png" => "image/png",
+            ".gif" => "image/gif",
+            ".webp" => "image/webp",
+            ".pdf" => "application/pdf",
+            _ => "application/octet-stream"
+        };
+    }
+
+    /// <summary>
+    /// 校验请求来源是否在白名单内。
+    /// </summary>
+    private void ValidateOrigin(string? origin, StorageSecurityOptions security)
+    {
+        if (!security.EnableRefererValidation || security.AllowedReferers.Length == 0)
+        {
+            return;
+        }
+
+        if (string.IsNullOrWhiteSpace(origin))
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "未授权的访问来源");
+        }
+
+        var isAllowed = security.AllowedReferers.Any(allowed =>
+            !string.IsNullOrWhiteSpace(allowed) &&
+            origin.StartsWith(allowed, StringComparison.OrdinalIgnoreCase));
+
+        if (!isAllowed)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "访问来源未在白名单中");
+        }
+    }
+
+    /// <summary>
+    /// 生成对象存储的键路径。
+    /// </summary>
+    private string BuildObjectKey(UploadFileType type, string extension)
+    {
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var tenantSegment = tenantId == 0 ? "platform" : tenantId.ToString();
+        var folder = type.ToFolderName();
+        var now = DateTime.UtcNow;
+        var fileName = $"{Guid.NewGuid():N}{extension}";
+
+        return $"{tenantSegment}/{folder}/{now:yyyy/MM/dd}/{fileName}";
+    }
+
+    /// <summary>
+    /// 组装对象元数据，便于追踪租户与用户。
+    /// </summary>
+    private IDictionary<string, string> BuildMetadata(UploadFileType type)
+    {
+        var metadata = new Dictionary<string, string>
+        {
+            ["x-meta-upload-type"] = type.ToString(),
+            ["x-meta-tenant-id"] = tenantProvider.GetCurrentTenantId().ToString()
+        };
+
+        if (currentUserAccessor.IsAuthenticated)
+        {
+            metadata["x-meta-user-id"] = currentUserAccessor.UserId.ToString();
+        }
+
+        return metadata;
+    }
+
+    /// <summary>
+    /// 重置文件流的读取位置。
+    /// </summary>
+    private static void ResetStream(Stream stream)
+    {
+        if (stream.CanSeek)
+        {
+            stream.Position = 0;
+        }
+    }
+
+    /// <summary>
+    /// 为访问链接追加防盗链签名（可配合 CDN Token 验证）。
+    /// </summary>
+    private static string AppendAntiLeechToken(string url, string objectKey, TimeSpan expires, StorageSecurityOptions security)
+    {
+        if (string.IsNullOrWhiteSpace(security.AntiLeechTokenSecret))
+        {
+            return url;
+        }
+
+        // 若链接已包含云厂商签名参数，则避免追加自定义参数导致验签失败。
+        if (url.Contains("X-Amz-Signature", StringComparison.OrdinalIgnoreCase) ||
+            url.Contains("q-sign-algorithm", StringComparison.OrdinalIgnoreCase) ||
+            url.Contains("Signature=", StringComparison.OrdinalIgnoreCase))
+        {
+            return url;
+        }
+
+        var expireAt = DateTimeOffset.UtcNow.Add(expires).ToUnixTimeSeconds();
+        var payload = $"{objectKey}:{expireAt}:{security.AntiLeechTokenSecret}";
+        var hashBytes = SHA256.HashData(Encoding.UTF8.GetBytes(payload));
+        var token = Convert.ToHexString(hashBytes).ToLowerInvariant();
+        var separator = url.Contains('?', StringComparison.Ordinal) ? "&" : "?";
+        return $"{url}{separator}ts={expireAt}&token={token}";
+    }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs
new file mode 100644
index 0000000..f97f67e
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs
@@ -0,0 +1,87 @@
+using TakeoutSaaS.Domain.Deliveries.Entities;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+
+namespace TakeoutSaaS.Domain.Deliveries.Repositories;
+
+/// <summary>
+/// 配送聚合仓储契约。
+/// </summary>
+public interface IDeliveryRepository
+{
+    /// <summary>
+    /// 依据标识获取配送单。
+    /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单实体或 null。</returns>
+    Task<DeliveryOrder?> FindByIdAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 依据订单标识获取配送单。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单实体或 null。</returns>
+    Task<DeliveryOrder?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取配送事件轨迹。
+    /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送事件列表。</returns>
+    Task<IReadOnlyList<DeliveryEvent>> GetEventsAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增配送单。
+    /// </summary>
+    /// <param name="deliveryOrder">配送单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增配送事件。
+    /// </summary>
+    /// <param name="deliveryEvent">配送事件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddEventAsync(DeliveryEvent deliveryEvent, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按状态查询配送单。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">配送状态。</param>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单列表。</returns>
+    Task<IReadOnlyList<DeliveryOrder>> SearchAsync(long tenantId, DeliveryStatus? status, long? orderId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新配送单。
+    /// </summary>
+    /// <param name="deliveryOrder">配送单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除配送单及事件。
+    /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task DeleteDeliveryOrderAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/ICacheInvalidationLogRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/ICacheInvalidationLogRepository.cs
new file mode 100644
index 0000000..90f8f12
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/ICacheInvalidationLogRepository.cs
@@ -0,0 +1,29 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 缓存失效日志仓储。
+/// </summary>
+public interface ICacheInvalidationLogRepository
+{
+    /// <summary>
+    /// 新增失效日志。
+    /// </summary>
+    Task AddAsync(CacheInvalidationLog log, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 分页查询失效日志。
+    /// </summary>
+    Task<(IReadOnlyList<CacheInvalidationLog> Items, int TotalCount)> GetPagedAsync(
+        int page,
+        int pageSize,
+        DateTime? startDate,
+        DateTime? endDate,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 保存变更。
+    /// </summary>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryGroupRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryGroupRepository.cs
new file mode 100644
index 0000000..d7c5a76
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryGroupRepository.cs
@@ -0,0 +1,104 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 字典分组仓储契约。
+/// </summary>
+public interface IDictionaryGroupRepository
+{
+    /// <summary>
+    /// 按 ID 获取字典分组。
+    /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组实体或 null。</returns>
+    Task<DictionaryGroup?> GetByIdAsync(long groupId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按编码获取字典分组。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="code">分组编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组实体或 null。</returns>
+    Task<DictionaryGroup?> GetByCodeAsync(long tenantId, DictionaryCode code, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 分页获取字典分组。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="scope">作用域过滤。</param>
+    /// <param name="keyword">关键字过滤。</param>
+    /// <param name="isEnabled">启用状态过滤。</param>
+    /// <param name="page">页码。</param>
+    /// <param name="pageSize">页大小。</param>
+    /// <param name="sortBy">排序字段。</param>
+    /// <param name="sortDescending">是否降序。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组集合。</returns>
+    Task<IReadOnlyList<DictionaryGroup>> GetPagedAsync(
+        long tenantId,
+        DictionaryScope? scope,
+        string? keyword,
+        bool? isEnabled,
+        int page,
+        int pageSize,
+        string? sortBy,
+        bool sortDescending,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取满足条件的分组数量。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="scope">作用域过滤。</param>
+    /// <param name="keyword">关键字过滤。</param>
+    /// <param name="isEnabled">启用状态过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组数量。</returns>
+    Task<int> CountAsync(
+        long tenantId,
+        DictionaryScope? scope,
+        string? keyword,
+        bool? isEnabled,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取字典分组。
+    /// </summary>
+    /// <param name="groupIds">分组 ID 列表。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组集合。</returns>
+    Task<IReadOnlyList<DictionaryGroup>> GetByIdsAsync(IEnumerable<long> groupIds, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task UpdateAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task RemoveAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryImportLogRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryImportLogRepository.cs
new file mode 100644
index 0000000..cc659d1
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryImportLogRepository.cs
@@ -0,0 +1,22 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 字典导入日志仓储契约。
+/// </summary>
+public interface IDictionaryImportLogRepository
+{
+    /// <summary>
+    /// 新增导入日志。
+    /// </summary>
+    /// <param name="log">导入日志。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddAsync(DictionaryImportLog log, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryItemRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryItemRepository.cs
new file mode 100644
index 0000000..8ada246
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryItemRepository.cs
@@ -0,0 +1,64 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 字典项仓储契约。
+/// </summary>
+public interface IDictionaryItemRepository
+{
+    /// <summary>
+    /// 根据 ID 获取字典项。
+    /// </summary>
+    /// <param name="itemId">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项或 null。</returns>
+    Task<DictionaryItem?> GetByIdAsync(long itemId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取分组下字典项列表。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合。</returns>
+    Task<IReadOnlyList<DictionaryItem>> GetByGroupIdAsync(long tenantId, long groupId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取合并后的系统/租户字典项。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="systemGroupId">系统分组 ID。</param>
+    /// <param name="includeOverrides">是否包含租户覆盖。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合。</returns>
+    Task<IReadOnlyList<DictionaryItem>> GetMergedItemsAsync(long tenantId, long systemGroupId, bool includeOverrides, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增字典项。
+    /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddAsync(DictionaryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新字典项。
+    /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task UpdateAsync(DictionaryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除字典项。
+    /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task RemoveAsync(DictionaryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryLabelOverrideRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryLabelOverrideRepository.cs
new file mode 100644
index 0000000..12afd85
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryLabelOverrideRepository.cs
@@ -0,0 +1,65 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 字典标签覆盖仓储契约。
+/// </summary>
+public interface IDictionaryLabelOverrideRepository
+{
+    /// <summary>
+    /// 根据 ID 获取覆盖配置。
+    /// </summary>
+    Task<DictionaryLabelOverride?> GetByIdAsync(long id, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取指定字典项的覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="dictionaryItemId">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task<DictionaryLabelOverride?> GetByItemIdAsync(long tenantId, long dictionaryItemId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取租户的所有覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="overrideType">可选的覆盖类型过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task<IReadOnlyList<DictionaryLabelOverride>> ListByTenantAsync(
+        long tenantId,
+        OverrideType? overrideType = null,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取多个字典项的覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="dictionaryItemIds">字典项 ID 列表。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task<IReadOnlyList<DictionaryLabelOverride>> GetByItemIdsAsync(
+        long tenantId,
+        IEnumerable<long> dictionaryItemIds,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增覆盖配置。
+    /// </summary>
+    Task AddAsync(DictionaryLabelOverride entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新覆盖配置。
+    /// </summary>
+    Task UpdateAsync(DictionaryLabelOverride entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除覆盖配置。
+    /// </summary>
+    Task DeleteAsync(DictionaryLabelOverride entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs
new file mode 100644
index 0000000..d0d4294
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs
@@ -0,0 +1,99 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 参数字典仓储契约。
+/// </summary>
+public interface IDictionaryRepository
+{
+    /// <summary>
+    /// 依据 ID 获取分组。
+    /// </summary>
+    /// <param name="id">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组实体或 null。</returns>
+    Task<DictionaryGroup?> FindGroupByIdAsync(long id, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 依据编码获取分组。
+    /// </summary>
+    /// <param name="code">分组编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组实体或 null。</returns>
+    Task<DictionaryGroup?> FindGroupByCodeAsync(string code, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 搜索分组，可按作用域过滤。
+    /// </summary>
+    /// <param name="scope">作用域。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组集合。</returns>
+    Task<IReadOnlyList<DictionaryGroup>> SearchGroupsAsync(DictionaryScope? scope, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddGroupAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveGroupAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 依据 ID 获取字典项。
+    /// </summary>
+    /// <param name="id">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项或 null。</returns>
+    Task<DictionaryItem?> FindItemByIdAsync(long id, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取某分组下的所有字典项。
+    /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合。</returns>
+    Task<IReadOnlyList<DictionaryItem>> GetItemsByGroupIdAsync(long groupId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按分组编码集合获取字典项（可包含系统参数）。
+    /// </summary>
+    /// <param name="codes">分组编码集合。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="includeSystem">是否包含系统分组。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合。</returns>
+    Task<IReadOnlyList<DictionaryItem>> GetItemsByCodesAsync(IEnumerable<string> codes, long tenantId, bool includeSystem, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增字典项。
+    /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddItemAsync(DictionaryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除字典项。
+    /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveItemAsync(DictionaryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/ITenantDictionaryOverrideRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/ITenantDictionaryOverrideRepository.cs
new file mode 100644
index 0000000..72e5a1e
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/ITenantDictionaryOverrideRepository.cs
@@ -0,0 +1,47 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+
+namespace TakeoutSaaS.Domain.Dictionary.Repositories;
+
+/// <summary>
+/// 租户字典覆盖仓储契约。
+/// </summary>
+public interface ITenantDictionaryOverrideRepository
+{
+    /// <summary>
+    /// 获取租户覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="systemGroupId">系统字典分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>覆盖配置或 null。</returns>
+    Task<TenantDictionaryOverride?> GetAsync(long tenantId, long systemGroupId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取租户全部覆盖配置。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>覆盖配置列表。</returns>
+    Task<IReadOnlyList<TenantDictionaryOverride>> ListAsync(long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增覆盖配置。
+    /// </summary>
+    /// <param name="overrideConfig">覆盖配置。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddAsync(TenantDictionaryOverride overrideConfig, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新覆盖配置。
+    /// </summary>
+    /// <param name="overrideConfig">覆盖配置。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task UpdateAsync(TenantDictionaryOverride overrideConfig, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/ValueObjects/I18nValue.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/ValueObjects/I18nValue.cs
new file mode 100644
index 0000000..00ea1c2
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/ValueObjects/I18nValue.cs
@@ -0,0 +1,151 @@
+using System.Text.Encodings.Web;
+using System.Text.Json;
+
+namespace TakeoutSaaS.Domain.Dictionary.ValueObjects;
+
+/// <summary>
+/// 多语言字典值对象，封装语言键值映射。
+/// </summary>
+public sealed class I18nValue : IEquatable<I18nValue>
+{
+    private static readonly string[] FallbackLocales = ["zh-CN", "en"];
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)
+    {
+        Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
+    };
+    private readonly Dictionary<string, string> _values;
+
+    /// <summary>
+    /// 初始化多语言值。
+    /// </summary>
+    /// <param name="values">语言键值映射。</param>
+    /// <exception cref="ArgumentException">传入值为空或无有效条目时抛出。</exception>
+    public I18nValue(IDictionary<string, string> values)
+    {
+        if (values == null)
+        {
+            throw new ArgumentNullException(nameof(values));
+        }
+
+        _values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        foreach (var (key, value) in values)
+        {
+            if (string.IsNullOrWhiteSpace(key) || string.IsNullOrWhiteSpace(value))
+            {
+                continue;
+            }
+
+            _values[key.Trim()] = value.Trim();
+        }
+
+        if (_values.Count == 0)
+        {
+            throw new ArgumentException("I18nValue requires at least one non-empty entry.", nameof(values));
+        }
+    }
+
+    /// <summary>
+    /// 语言键值只读视图。
+    /// </summary>
+    public IReadOnlyDictionary<string, string> Values => _values;
+
+    /// <summary>
+    /// 获取指定语言值，支持回退策略。
+    /// </summary>
+    /// <param name="locale">语言标识。</param>
+    /// <returns>匹配语言值。</returns>
+    public string Extract(string? locale)
+    {
+        if (!string.IsNullOrWhiteSpace(locale) && _values.TryGetValue(locale, out var value))
+        {
+            return value;
+        }
+
+        foreach (var fallback in FallbackLocales)
+        {
+            if (_values.TryGetValue(fallback, out var fallbackValue))
+            {
+                return fallbackValue;
+            }
+        }
+
+        return _values.Values.First();
+    }
+
+    /// <summary>
+    /// 转换为普通字典。
+    /// </summary>
+    public Dictionary<string, string> ToDictionary()
+        => new(_values, StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 转换为 JSON 字符串。
+    /// </summary>
+    public string ToJson()
+        => JsonSerializer.Serialize(_values, JsonOptions);
+
+    /// <summary>
+    /// 从 JSON 字符串解析多语言值。
+    /// </summary>
+    public static I18nValue FromJson(string json)
+    {
+        if (string.IsNullOrWhiteSpace(json))
+        {
+            throw new ArgumentException("JSON payload is required.", nameof(json));
+        }
+
+        var values = JsonSerializer.Deserialize<Dictionary<string, string>>(json, JsonOptions) ?? new Dictionary<string, string>();
+        return new I18nValue(values);
+    }
+
+    /// <inheritdoc />
+    public bool Equals(I18nValue? other)
+    {
+        if (other == null)
+        {
+            return false;
+        }
+
+        if (ReferenceEquals(this, other))
+        {
+            return true;
+        }
+
+        if (_values.Count != other._values.Count)
+        {
+            return false;
+        }
+
+        foreach (var (key, value) in _values)
+        {
+            if (!other._values.TryGetValue(key, out var otherValue))
+            {
+                return false;
+            }
+
+            if (!string.Equals(value, otherValue, StringComparison.Ordinal))
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /// <inheritdoc />
+    public override bool Equals(object? obj)
+        => obj is I18nValue other && Equals(other);
+
+    /// <inheritdoc />
+    public override int GetHashCode()
+    {
+        var hash = new HashCode();
+        foreach (var pair in _values.OrderBy(item => item.Key, StringComparer.OrdinalIgnoreCase))
+        {
+            hash.Add(pair.Key, StringComparer.OrdinalIgnoreCase);
+            hash.Add(pair.Value, StringComparer.Ordinal);
+        }
+
+        return hash.ToHashCode();
+    }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IMiniUserRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IMiniUserRepository.cs
new file mode 100644
index 0000000..41594c2
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IMiniUserRepository.cs
@@ -0,0 +1,37 @@
+using TakeoutSaaS.Domain.Identity.Entities;
+
+namespace TakeoutSaaS.Domain.Identity.Repositories;
+
+/// <summary>
+/// 小程序用户仓储契约。
+/// </summary>
+public interface IMiniUserRepository
+{
+    /// <summary>
+    /// 根据微信 OpenId 查找小程序用户。
+    /// </summary>
+    /// <param name="openId">微信 OpenId</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>小程序用户，如果不存在则返回 null</returns>
+    Task<MiniUser?> FindByOpenIdAsync(string openId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 根据用户 ID 查找小程序用户。
+    /// </summary>
+    /// <param name="id">用户 ID</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>小程序用户，如果不存在则返回 null</returns>
+    Task<MiniUser?> FindByIdAsync(long id, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 创建或更新小程序用户（如果 OpenId 已存在则更新，否则创建）。
+    /// </summary>
+    /// <param name="openId">微信 OpenId</param>
+    /// <param name="unionId">微信 UnionId（可选）</param>
+    /// <param name="nickname">昵称</param>
+    /// <param name="avatar">头像地址（可选）</param>
+    /// <param name="tenantId">租户 ID</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>创建或更新后的小程序用户</returns>
+    Task<MiniUser> CreateOrUpdateAsync(string openId, string? unionId, string? nickname, string? avatar, long tenantId, CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs
new file mode 100644
index 0000000..f175722
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs
@@ -0,0 +1,74 @@
+using TakeoutSaaS.Domain.Identity.Entities;
+
+namespace TakeoutSaaS.Domain.Identity.Repositories;
+
+/// <summary>
+/// 角色模板仓储。
+/// </summary>
+public interface IRoleTemplateRepository
+{
+    /// <summary>
+    /// 查询角色模板列表。
+    /// </summary>
+    /// <param name="isActive">启用状态过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色模板集合。</returns>
+    Task<IReadOnlyList<RoleTemplate>> GetAllAsync(bool? isActive, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 通过模板编码获取模板信息。
+    /// </summary>
+    /// <param name="templateCode">模板编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>模板实体或 null。</returns>
+    Task<RoleTemplate?> FindByCodeAsync(string templateCode, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取模板的权限列表。
+    /// </summary>
+    /// <param name="roleTemplateId">模板 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限集合。</returns>
+    Task<IReadOnlyList<RoleTemplatePermission>> GetPermissionsAsync(long roleTemplateId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取多个模板的权限映射。
+    /// </summary>
+    /// <param name="roleTemplateIds">模板 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>模板与权限列表的映射。</returns>
+    Task<IDictionary<long, IReadOnlyList<RoleTemplatePermission>>> GetPermissionsAsync(IEnumerable<long> roleTemplateIds, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增模板及其权限。
+    /// </summary>
+    /// <param name="template">模板实体。</param>
+    /// <param name="permissionCodes">权限编码集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task AddAsync(RoleTemplate template, IEnumerable<string> permissionCodes, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新模板及权限。
+    /// </summary>
+    /// <param name="template">模板实体。</param>
+    /// <param name="permissionCodes">权限编码集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task UpdateAsync(RoleTemplate template, IEnumerable<string> permissionCodes, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除模板。
+    /// </summary>
+    /// <param name="roleTemplateId">模板 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task DeleteAsync(long roleTemplateId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Inventory/Repositories/IInventoryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Inventory/Repositories/IInventoryRepository.cs
new file mode 100644
index 0000000..bba4734
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Inventory/Repositories/IInventoryRepository.cs
@@ -0,0 +1,95 @@
+using System;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using TakeoutSaaS.Domain.Inventory.Entities;
+using TakeoutSaaS.Domain.Inventory.Enums;
+
+namespace TakeoutSaaS.Domain.Inventory.Repositories;
+
+/// <summary>
+/// 库存仓储契约。
+/// </summary>
+public interface IInventoryRepository
+{
+    /// <summary>
+    /// 依据标识查询库存。
+    /// </summary>
+    Task<InventoryItem?> FindByIdAsync(long inventoryItemId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按门店与 SKU 查询库存（只读）。
+    /// </summary>
+    Task<InventoryItem?> FindBySkuAsync(long tenantId, long storeId, long productSkuId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按门店与 SKU 查询库存（跟踪用于更新）。
+    /// </summary>
+    Task<InventoryItem?> GetForUpdateAsync(long tenantId, long storeId, long productSkuId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增库存记录。
+    /// </summary>
+    Task AddItemAsync(InventoryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新库存记录。
+    /// </summary>
+    Task UpdateItemAsync(InventoryItem item, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增库存调整记录。
+    /// </summary>
+    Task AddAdjustmentAsync(InventoryAdjustment adjustment, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增锁定记录。
+    /// </summary>
+    Task AddLockAsync(InventoryLockRecord lockRecord, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按幂等键查询锁记录。
+    /// </summary>
+    Task<InventoryLockRecord?> FindLockByKeyAsync(long tenantId, string idempotencyKey, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新锁状态。
+    /// </summary>
+    Task MarkLockStatusAsync(InventoryLockRecord lockRecord, InventoryLockStatus status, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询过期锁定。
+    /// </summary>
+    Task<IReadOnlyList<InventoryLockRecord>> FindExpiredLocksAsync(long tenantId, DateTime utcNow, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询批次列表。
+    /// </summary>
+    Task<IReadOnlyList<InventoryBatch>> GetBatchesAsync(long tenantId, long storeId, long productSkuId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批次扣减读取（带排序策略）。
+    /// </summary>
+    Task<IReadOnlyList<InventoryBatch>> GetBatchesForConsumeAsync(long tenantId, long storeId, long productSkuId, InventoryBatchConsumeStrategy strategy, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询批次（跟踪用于更新）。
+    /// </summary>
+    Task<InventoryBatch?> GetBatchForUpdateAsync(long tenantId, long storeId, long productSkuId, string batchNumber, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增批次。
+    /// </summary>
+    Task AddBatchAsync(InventoryBatch batch, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新批次。
+    /// </summary>
+    Task UpdateBatchAsync(InventoryBatch batch, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs
new file mode 100644
index 0000000..cabdd80
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs
@@ -0,0 +1,66 @@
+using TakeoutSaaS.Domain.Merchants.Entities;
+
+namespace TakeoutSaaS.Domain.Merchants.Repositories;
+
+/// <summary>
+/// 商户类目仓储契约。
+/// </summary>
+public interface IMerchantCategoryRepository
+{
+    /// <summary>
+    /// 列出当前租户的类目。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目列表。</returns>
+    Task<IReadOnlyList<MerchantCategory>> ListAsync(long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 是否存在同名类目。
+    /// </summary>
+    /// <param name="name">类目名称。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
+    Task<bool> ExistsAsync(string name, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查找类目。
+    /// </summary>
+    /// <param name="id">类目 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目实体或 null。</returns>
+    Task<MerchantCategory?> FindByIdAsync(long id, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增类目。
+    /// </summary>
+    /// <param name="category">类目实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAsync(MerchantCategory category, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除类目。
+    /// </summary>
+    /// <param name="category">类目实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveAsync(MerchantCategory category, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量更新类目信息。
+    /// </summary>
+    /// <param name="categories">类目集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateRangeAsync(IEnumerable<MerchantCategory> categories, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Merchants/Services/IMerchantExportService.cs b/src/Domain/TakeoutSaaS.Domain/Merchants/Services/IMerchantExportService.cs
new file mode 100644
index 0000000..19912e5
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Merchants/Services/IMerchantExportService.cs
@@ -0,0 +1,26 @@
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Stores.Entities;
+
+namespace TakeoutSaaS.Domain.Merchants.Services;
+
+/// <summary>
+/// 商户导出服务接口。
+/// </summary>
+public interface IMerchantExportService
+{
+    /// <summary>
+    /// 导出为 PDF。
+    /// </summary>
+    /// <param name="merchant">商户主体。</param>
+    /// <param name="tenantName">租户名称。</param>
+    /// <param name="stores">门店列表。</param>
+    /// <param name="auditLogs">审核历史。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>PDF 字节数组。</returns>
+    Task<byte[]> ExportToPdfAsync(
+        Merchant merchant,
+        string? tenantName,
+        IReadOnlyList<Store> stores,
+        IReadOnlyList<MerchantAuditLog> auditLogs,
+        CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs b/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs
new file mode 100644
index 0000000..96a3bd6
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs
@@ -0,0 +1,122 @@
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Domain.Orders.Repositories;
+
+/// <summary>
+/// 订单聚合仓储契约。
+/// </summary>
+public interface IOrderRepository
+{
+    /// <summary>
+    /// 依据标识获取订单。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单实体或 null。</returns>
+    Task<Order?> FindByIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 依据订单号获取订单。
+    /// </summary>
+    /// <param name="orderNo">订单号。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单实体或 null。</returns>
+    Task<Order?> FindByOrderNoAsync(string orderNo, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按状态筛选订单列表。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">订单状态。</param>
+    /// <param name="paymentStatus">支付状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单集合。</returns>
+    Task<IReadOnlyList<Order>> SearchAsync(long tenantId, OrderStatus? status, PaymentStatus? paymentStatus, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取订单明细行。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单明细集合。</returns>
+    Task<IReadOnlyList<OrderItem>> GetItemsAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取订单状态流转记录。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>状态变更记录列表。</returns>
+    Task<IReadOnlyList<OrderStatusHistory>> GetStatusHistoryAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取订单退款申请。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>退款申请列表。</returns>
+    Task<IReadOnlyList<RefundRequest>> GetRefundsAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增订单。
+    /// </summary>
+    /// <param name="order">订单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddOrderAsync(Order order, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增订单明细。
+    /// </summary>
+    /// <param name="items">明细集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddItemsAsync(IEnumerable<OrderItem> items, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增订单状态记录。
+    /// </summary>
+    /// <param name="history">状态记录。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddStatusHistoryAsync(OrderStatusHistory history, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增退款申请。
+    /// </summary>
+    /// <param name="refund">退款申请实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddRefundAsync(RefundRequest refund, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新订单。
+    /// </summary>
+    /// <param name="order">订单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateOrderAsync(Order order, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除订单。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task DeleteOrderAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs b/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs
new file mode 100644
index 0000000..7983a5a
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs
@@ -0,0 +1,86 @@
+using TakeoutSaaS.Domain.Payments.Entities;
+using TakeoutSaaS.Domain.Payments.Enums;
+
+namespace TakeoutSaaS.Domain.Payments.Repositories;
+
+/// <summary>
+/// 支付记录仓储契约。
+/// </summary>
+public interface IPaymentRepository
+{
+    /// <summary>
+    /// 依据标识获取支付记录。
+    /// </summary>
+    /// <param name="paymentId">支付记录 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录或 null。</returns>
+    Task<PaymentRecord?> FindByIdAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 依据订单标识获取支付记录。
+    /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录或 null。</returns>
+    Task<PaymentRecord?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取支付对应的退款记录。
+    /// </summary>
+    /// <param name="paymentId">支付记录 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>退款记录列表。</returns>
+    Task<IReadOnlyList<PaymentRefundRecord>> GetRefundsAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增支付记录。
+    /// </summary>
+    /// <param name="payment">支付实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddPaymentAsync(PaymentRecord payment, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增退款记录。
+    /// </summary>
+    /// <param name="refund">退款实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddRefundAsync(PaymentRefundRecord refund, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按状态筛选支付记录。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">支付状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录列表。</returns>
+    Task<IReadOnlyList<PaymentRecord>> SearchAsync(long tenantId, PaymentStatus? status, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新支付记录。
+    /// </summary>
+    /// <param name="payment">支付实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdatePaymentAsync(PaymentRecord payment, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除支付记录及关联退款。
+    /// </summary>
+    /// <param name="paymentId">支付记录 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task DeletePaymentAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs b/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs
new file mode 100644
index 0000000..5b4563a
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs
@@ -0,0 +1,268 @@
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Enums;
+
+namespace TakeoutSaaS.Domain.Products.Repositories;
+
+/// <summary>
+/// 商品聚合仓储契约。
+/// </summary>
+public interface IProductRepository
+{
+    /// <summary>
+    /// 依据标识获取商品。
+    /// </summary>
+    Task<Product?> FindByIdAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按分类与状态筛选商品列表。
+    /// </summary>
+    Task<IReadOnlyList<Product>> SearchAsync(long tenantId, long? storeId, long? categoryId, ProductStatus? status, CancellationToken cancellationToken = default, DateTime? updatedAfter = null);
+
+    /// <summary>
+    /// 获取租户下的商品分类。
+    /// </summary>
+    Task<IReadOnlyList<ProductCategory>> GetCategoriesAsync(long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取门店商品分类。
+    /// </summary>
+    Task<IReadOnlyList<ProductCategory>> GetCategoriesByStoreAsync(long tenantId, long storeId, bool onlyEnabled = true, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品 SKU。
+    /// </summary>
+    Task<IReadOnlyList<ProductSku>> GetSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品 SKU。
+    /// </summary>
+    Task<IReadOnlyList<ProductSku>> GetSkusByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品加料组与选项。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>加料组集合。</returns>
+    Task<IReadOnlyList<ProductAddonGroup>> GetAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品加料组。
+    /// </summary>
+    Task<IReadOnlyList<ProductAddonGroup>> GetAddonGroupsByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品加料选项。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>加料选项集合。</returns>
+    Task<IReadOnlyList<ProductAddonOption>> GetAddonOptionsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品加料选项。
+    /// </summary>
+    Task<IReadOnlyList<ProductAddonOption>> GetAddonOptionsByGroupIdsAsync(IReadOnlyCollection<long> addonGroupIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品规格组与选项。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>规格组集合。</returns>
+    Task<IReadOnlyList<ProductAttributeGroup>> GetAttributeGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品规格组。
+    /// </summary>
+    Task<IReadOnlyList<ProductAttributeGroup>> GetAttributeGroupsByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品规格选项。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>规格选项集合。</returns>
+    Task<IReadOnlyList<ProductAttributeOption>> GetAttributeOptionsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品规格选项。
+    /// </summary>
+    Task<IReadOnlyList<ProductAttributeOption>> GetAttributeOptionsByGroupIdsAsync(IReadOnlyCollection<long> attributeGroupIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品媒资。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>媒资列表。</returns>
+    Task<IReadOnlyList<ProductMediaAsset>> GetMediaAssetsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品媒资。
+    /// </summary>
+    Task<IReadOnlyList<ProductMediaAsset>> GetMediaAssetsByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取商品定价规则。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>定价规则集合。</returns>
+    Task<IReadOnlyList<ProductPricingRule>> GetPricingRulesAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量获取商品定价规则。
+    /// </summary>
+    Task<IReadOnlyList<ProductPricingRule>> GetPricingRulesByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增分类。
+    /// </summary>
+    /// <param name="category">分类实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增商品。
+    /// </summary>
+    /// <param name="product">商品实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddProductAsync(Product product, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增 SKU。
+    /// </summary>
+    /// <param name="skus">SKU 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddSkusAsync(IEnumerable<ProductSku> skus, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增加料组与选项。
+    /// </summary>
+    /// <param name="groups">加料组集合。</param>
+    /// <param name="options">加料选项集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAddonGroupsAsync(IEnumerable<ProductAddonGroup> groups, IEnumerable<ProductAddonOption> options, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增规格组与选项。
+    /// </summary>
+    /// <param name="groups">规格组集合。</param>
+    /// <param name="options">规格选项集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAttributeGroupsAsync(IEnumerable<ProductAttributeGroup> groups, IEnumerable<ProductAttributeOption> options, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增媒资。
+    /// </summary>
+    /// <param name="assets">媒资集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddMediaAssetsAsync(IEnumerable<ProductMediaAsset> assets, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增定价规则。
+    /// </summary>
+    /// <param name="rules">定价规则集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddPricingRulesAsync(IEnumerable<ProductPricingRule> rules, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新商品。
+    /// </summary>
+    /// <param name="product">商品实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateProductAsync(Product product, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除商品。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task DeleteProductAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新分类。
+    /// </summary>
+    /// <param name="category">分类实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除分类。
+    /// </summary>
+    /// <param name="categoryId">分类 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task DeleteCategoryAsync(long categoryId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除商品下的 SKU。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除商品下的加料组及选项。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除商品下的规格组及选项。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveAttributeGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除商品媒资。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveMediaAssetsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除商品定价规则。
+    /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemovePricingRulesAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreApprovedEvent.cs b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreApprovedEvent.cs
new file mode 100644
index 0000000..da3199a
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreApprovedEvent.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Domain.Stores.Events;
+
+/// <summary>
+/// 门店审核通过事件。
+/// </summary>
+public sealed class StoreApprovedEvent
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 审核通过时间（UTC）。
+    /// </summary>
+    public DateTime ApprovedAt { get; init; }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreForceClosedEvent.cs b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreForceClosedEvent.cs
new file mode 100644
index 0000000..f2f6016
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreForceClosedEvent.cs
@@ -0,0 +1,27 @@
+namespace TakeoutSaaS.Domain.Stores.Events;
+
+/// <summary>
+/// 门店强制关闭事件。
+/// </summary>
+public sealed class StoreForceClosedEvent
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 强制关闭原因。
+    /// </summary>
+    public string? Reason { get; init; }
+
+    /// <summary>
+    /// 强制关闭时间（UTC）。
+    /// </summary>
+    public DateTime ForceClosedAt { get; init; }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreRejectedEvent.cs b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreRejectedEvent.cs
new file mode 100644
index 0000000..a0ab258
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreRejectedEvent.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Domain.Stores.Events;
+
+/// <summary>
+/// 门店审核驳回事件。
+/// </summary>
+public sealed class StoreRejectedEvent
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 驳回理由 ID。
+    /// </summary>
+    public long? RejectionReasonId { get; init; }
+
+    /// <summary>
+    /// 驳回理由文本。
+    /// </summary>
+    public string? RejectionReason { get; init; }
+
+    /// <summary>
+    /// 驳回时间（UTC）。
+    /// </summary>
+    public DateTime RejectedAt { get; init; }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreSubmittedEvent.cs b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreSubmittedEvent.cs
new file mode 100644
index 0000000..9279ebf
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Stores/Events/StoreSubmittedEvent.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Domain.Stores.Events;
+
+/// <summary>
+/// 门店提交审核事件。
+/// </summary>
+public sealed class StoreSubmittedEvent
+{
+    /// <summary>
+    /// 门店 ID。
+    /// </summary>
+    public long StoreId { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 提交时间（UTC）。
+    /// </summary>
+    public DateTime SubmittedAt { get; init; }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs b/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs
new file mode 100644
index 0000000..ced9e53
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs
@@ -0,0 +1,65 @@
+using TakeoutSaaS.Domain.SystemParameters.Entities;
+
+namespace TakeoutSaaS.Domain.SystemParameters.Repositories;
+
+/// <summary>
+/// 系统参数仓储接口：提供基础 CRUD 与查询能力。
+/// </summary>
+public interface ISystemParameterRepository
+{
+    /// <summary>
+    /// 根据标识获取系统参数。
+    /// </summary>
+    /// <param name="id">参数 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>系统参数或 null。</returns>
+    Task<SystemParameter?> FindByIdAsync(long id, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 根据键获取系统参数（当前租户）。
+    /// </summary>
+    /// <param name="key">参数键。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>系统参数或 null。</returns>
+    Task<SystemParameter?> FindByKeyAsync(string key, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询系统参数列表。
+    /// </summary>
+    /// <param name="keyword">关键字。</param>
+    /// <param name="isEnabled">启用状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>参数列表。</returns>
+    Task<IReadOnlyList<SystemParameter>> SearchAsync(string? keyword, bool? isEnabled, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增系统参数。
+    /// </summary>
+    /// <param name="parameter">参数实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAsync(SystemParameter parameter, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除系统参数。
+    /// </summary>
+    /// <param name="parameter">参数实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task RemoveAsync(SystemParameter parameter, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新系统参数。
+    /// </summary>
+    /// <param name="parameter">参数实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateAsync(SystemParameter parameter, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Enums/BillingExportFormat.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Enums/BillingExportFormat.cs
new file mode 100644
index 0000000..19765f2
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Enums/BillingExportFormat.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Domain.Tenants.Enums;
+
+/// <summary>
+/// 账单导出格式。
+/// </summary>
+public enum BillingExportFormat
+{
+    /// <summary>
+    /// Excel 格式（.xlsx）。
+    /// </summary>
+    Excel = 0,
+
+    /// <summary>
+    /// PDF 格式（.pdf）。
+    /// </summary>
+    Pdf = 1,
+
+    /// <summary>
+    /// CSV 格式（.csv）。
+    /// </summary>
+    Csv = 2
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Events/AnnouncementPublished.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Events/AnnouncementPublished.cs
new file mode 100644
index 0000000..59fe5b4
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Events/AnnouncementPublished.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Domain.Tenants.Events;
+
+/// <summary>
+/// 公告发布事件。
+/// </summary>
+public sealed class AnnouncementPublished
+{
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    public long AnnouncementId { get; init; }
+
+    /// <summary>
+    /// 发布时间（UTC）。
+    /// </summary>
+    public DateTime PublishedAt { get; init; }
+
+    /// <summary>
+    /// 目标受众类型。
+    /// </summary>
+    public string TargetType { get; init; } = string.Empty;
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Events/AnnouncementRevoked.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Events/AnnouncementRevoked.cs
new file mode 100644
index 0000000..a49fe09
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Events/AnnouncementRevoked.cs
@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Tenants.Events;
+
+/// <summary>
+/// 公告撤销事件。
+/// </summary>
+public sealed class AnnouncementRevoked
+{
+    /// <summary>
+    /// 公告 ID。
+    /// </summary>
+    public long AnnouncementId { get; init; }
+
+    /// <summary>
+    /// 撤销时间（UTC）。
+    /// </summary>
+    public DateTime RevokedAt { get; init; }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/IQuotaPackageRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/IQuotaPackageRepository.cs
new file mode 100644
index 0000000..49aa91d
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/IQuotaPackageRepository.cs
@@ -0,0 +1,131 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Domain.Tenants.Repositories;
+
+/// <summary>
+/// 配额包仓储。
+/// </summary>
+public interface IQuotaPackageRepository
+{
+    #region 配额包定义
+
+    /// <summary>
+    /// 按 ID 查找配额包。
+    /// </summary>
+    /// <param name="id">配额包 ID（雪花算法）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配额包实体，未找到返回 null。</returns>
+    Task<QuotaPackage?> FindByIdAsync(long id, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 分页查询配额包。
+    /// </summary>
+    /// <param name="quotaType">配额类型，为空不按类型过滤。</param>
+    /// <param name="isActive">启用状态，为空不按状态过滤。</param>
+    /// <param name="page">页码（从 1 开始）。</param>
+    /// <param name="pageSize">每页大小。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页数据与总数。</returns>
+    Task<(IReadOnlyList<QuotaPackage> Items, int Total)> SearchPagedAsync(
+        TenantQuotaType? quotaType,
+        bool? isActive,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增配额包。
+    /// </summary>
+    /// <param name="quotaPackage">配额包实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAsync(QuotaPackage quotaPackage, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新配额包。
+    /// </summary>
+    /// <param name="quotaPackage">配额包实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateAsync(QuotaPackage quotaPackage, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 软删除配额包。
+    /// </summary>
+    /// <param name="id">配额包 ID（雪花算法）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>删除成功返回 true，未找到返回 false。</returns>
+    Task<bool> SoftDeleteAsync(long id, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 配额包购买记录
+
+    /// <summary>
+    /// 分页查询租户配额购买记录（包含配额包信息）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID（雪花算法）。</param>
+    /// <param name="page">页码（从 1 开始）。</param>
+    /// <param name="pageSize">每页大小。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页数据与总数。</returns>
+    Task<(IReadOnlyList<(TenantQuotaPackagePurchase Purchase, QuotaPackage Package)> Items, int Total)> GetPurchasesPagedAsync(
+        long tenantId,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增配额购买记录。
+    /// </summary>
+    /// <param name="purchase">购买记录实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddPurchaseAsync(TenantQuotaPackagePurchase purchase, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 配额使用情况
+
+    /// <summary>
+    /// 查询租户配额使用情况。
+    /// </summary>
+    /// <param name="tenantId">租户 ID（雪花算法）。</param>
+    /// <param name="quotaType">配额类型，为空查询全部。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配额使用情况列表。</returns>
+    Task<IReadOnlyList<TenantQuotaUsage>> GetUsageByTenantAsync(
+        long tenantId,
+        TenantQuotaType? quotaType,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查找特定配额使用记录。
+    /// </summary>
+    /// <param name="tenantId">租户 ID（雪花算法）。</param>
+    /// <param name="quotaType">配额类型。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配额使用记录，未找到返回 null。</returns>
+    Task<TenantQuotaUsage?> FindUsageAsync(
+        long tenantId,
+        TenantQuotaType quotaType,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新配额使用情况。
+    /// </summary>
+    /// <param name="usage">配额使用实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateUsageAsync(TenantQuotaUsage usage, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    /// <summary>
+    /// 持久化。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/IStatisticsRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/IStatisticsRepository.cs
new file mode 100644
index 0000000..806d440
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/IStatisticsRepository.cs
@@ -0,0 +1,112 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Domain.Tenants.Repositories;
+
+/// <summary>
+/// 统计数据仓储接口。
+/// </summary>
+public interface IStatisticsRepository
+{
+    #region 订阅统计
+
+    /// <summary>
+    /// 获取所有订阅（用于统计）。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>所有订阅记录。</returns>
+    Task<IReadOnlyList<TenantSubscription>> GetAllSubscriptionsAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取即将到期的订阅（含租户和套餐信息）。
+    /// </summary>
+    /// <param name="daysAhead">到期天数。</param>
+    /// <param name="onlyWithoutAutoRenew">是否仅查询未开启自动续费的。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>即将到期的订阅信息列表。</returns>
+    Task<IReadOnlyList<ExpiringSubscriptionInfo>> GetExpiringSubscriptionsAsync(
+        int daysAhead,
+        bool onlyWithoutAutoRenew,
+        CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 收入统计
+
+    /// <summary>
+    /// 获取所有已付款账单（用于收入统计）。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>已付款账单列表。</returns>
+    Task<IReadOnlyList<TenantBillingStatement>> GetPaidBillsAsync(CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 配额使用排行
+
+    /// <summary>
+    /// 获取配额使用排行（含租户信息）。
+    /// </summary>
+    /// <param name="quotaType">配额类型。</param>
+    /// <param name="topN">前 N 名。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配额使用排行列表。</returns>
+    Task<IReadOnlyList<QuotaUsageRankInfo>> GetQuotaUsageRankingAsync(
+        TenantQuotaType quotaType,
+        int topN,
+        CancellationToken cancellationToken = default);
+
+    #endregion
+}
+
+/// <summary>
+/// 即将到期的订阅信息（含关联数据）。
+/// </summary>
+public record ExpiringSubscriptionInfo
+{
+    /// <summary>
+    /// 订阅实体。
+    /// </summary>
+    public required TenantSubscription Subscription { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public required string TenantName { get; init; }
+
+    /// <summary>
+    /// 套餐名称。
+    /// </summary>
+    public required string PackageName { get; init; }
+}
+
+/// <summary>
+/// 配额使用排行信息（含租户名称）。
+/// </summary>
+public record QuotaUsageRankInfo
+{
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public required string TenantName { get; init; }
+
+    /// <summary>
+    /// 已使用值。
+    /// </summary>
+    public decimal UsedValue { get; init; }
+
+    /// <summary>
+    /// 限制值。
+    /// </summary>
+    public decimal LimitValue { get; init; }
+
+    /// <summary>
+    /// 使用百分比。
+    /// </summary>
+    public decimal UsagePercentage { get; init; }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ISubscriptionRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ISubscriptionRepository.cs
new file mode 100644
index 0000000..f72d8d3
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ISubscriptionRepository.cs
@@ -0,0 +1,382 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Domain.Tenants.Repositories;
+
+/// <summary>
+/// 订阅管理仓储接口。
+/// </summary>
+public interface ISubscriptionRepository
+{
+    #region 订阅查询
+
+    /// <summary>
+    /// 按 ID 查询订阅。
+    /// </summary>
+    /// <param name="subscriptionId">订阅 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订阅实体，未找到返回 null。</returns>
+    Task<TenantSubscription?> FindByIdAsync(
+        long subscriptionId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按 ID 列表批量查询订阅。
+    /// </summary>
+    /// <param name="subscriptionIds">订阅 ID 列表。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订阅实体列表。</returns>
+    Task<IReadOnlyList<TenantSubscription>> FindByIdsAsync(
+        IEnumerable<long> subscriptionIds,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 分页查询订阅列表（含关联信息）。
+    /// </summary>
+    /// <param name="filter">查询过滤条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    Task<(IReadOnlyList<SubscriptionWithRelations> Items, int Total)> SearchPagedAsync(
+        SubscriptionSearchFilter filter,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取订阅详情（含关联信息）。
+    /// </summary>
+    /// <param name="subscriptionId">订阅 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订阅详情信息。</returns>
+    Task<SubscriptionDetailInfo?> GetDetailAsync(
+        long subscriptionId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按 ID 列表批量查询订阅（含租户信息）。
+    /// </summary>
+    /// <param name="subscriptionIds">订阅 ID 列表。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订阅与租户信息列表。</returns>
+    Task<IReadOnlyList<SubscriptionWithTenant>> FindByIdsWithTenantAsync(
+        IEnumerable<long> subscriptionIds,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询自动续费候选订阅（活跃 + 开启自动续费 + 即将到期）。
+    /// </summary>
+    /// <param name="now">当前时间（UTC）。</param>
+    /// <param name="renewalThreshold">续费阈值时间（UTC），到期时间小于等于该时间视为候选。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>候选订阅集合（含套餐信息）。</returns>
+    Task<IReadOnlyList<AutoRenewalCandidate>> FindAutoRenewalCandidatesAsync(
+        DateTime now,
+        DateTime renewalThreshold,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询续费提醒候选订阅（活跃 + 未开启自动续费 + 到期时间落在指定日期范围）。
+    /// </summary>
+    /// <param name="startOfDay">筛选开始时间（UTC，含）。</param>
+    /// <param name="endOfDay">筛选结束时间（UTC，不含）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>候选订阅集合（含租户与套餐信息）。</returns>
+    Task<IReadOnlyList<RenewalReminderCandidate>> FindRenewalReminderCandidatesAsync(
+        DateTime startOfDay,
+        DateTime endOfDay,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询已到期仍处于 Active 的订阅（用于进入宽限期）。
+    /// </summary>
+    /// <param name="now">当前时间（UTC）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>到期订阅集合。</returns>
+    Task<IReadOnlyList<TenantSubscription>> FindExpiredActiveSubscriptionsAsync(
+        DateTime now,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询宽限期已结束的订阅（用于自动暂停）。
+    /// </summary>
+    /// <param name="now">当前时间（UTC）。</param>
+    /// <param name="gracePeriodDays">宽限期天数。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>宽限期到期订阅集合。</returns>
+    Task<IReadOnlyList<TenantSubscription>> FindGracePeriodExpiredSubscriptionsAsync(
+        DateTime now,
+        int gracePeriodDays,
+        CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 套餐查询
+
+    /// <summary>
+    /// 按 ID 查询套餐。
+    /// </summary>
+    /// <param name="packageId">套餐 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>套餐实体，未找到返回 null。</returns>
+    Task<TenantPackage?> FindPackageByIdAsync(long packageId, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 订阅更新
+
+    /// <summary>
+    /// 更新订阅。
+    /// </summary>
+    /// <param name="subscription">订阅实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task UpdateAsync(TenantSubscription subscription, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 订阅历史
+
+    /// <summary>
+    /// 添加订阅变更历史。
+    /// </summary>
+    /// <param name="history">历史记录实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddHistoryAsync(TenantSubscriptionHistory history, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取订阅变更历史（含套餐名称）。
+    /// </summary>
+    /// <param name="subscriptionId">订阅 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>历史记录列表。</returns>
+    Task<IReadOnlyList<SubscriptionHistoryWithPackageNames>> GetHistoryAsync(
+        long subscriptionId,
+        CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 配额使用
+
+    /// <summary>
+    /// 获取租户配额使用情况。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配额使用列表。</returns>
+    Task<IReadOnlyList<TenantQuotaUsage>> GetQuotaUsagesAsync(
+        long tenantId,
+        CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 通知
+
+    /// <summary>
+    /// 添加租户通知。
+    /// </summary>
+    /// <param name="notification">通知实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddNotificationAsync(TenantNotification notification, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    #region 操作日志
+
+    /// <summary>
+    /// 添加操作日志。
+    /// </summary>
+    /// <param name="log">日志实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddOperationLogAsync(OperationLog log, CancellationToken cancellationToken = default);
+
+    #endregion
+
+    /// <summary>
+    /// 保存变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
+
+#region 查询过滤与结果类型
+
+/// <summary>
+/// 订阅查询过滤条件。
+/// </summary>
+public record SubscriptionSearchFilter
+{
+    /// <summary>
+    /// 订阅状态。
+    /// </summary>
+    public SubscriptionStatus? Status { get; init; }
+
+    /// <summary>
+    /// 套餐 ID。
+    /// </summary>
+    public long? TenantPackageId { get; init; }
+
+    /// <summary>
+    /// 租户 ID。
+    /// </summary>
+    public long? TenantId { get; init; }
+
+    /// <summary>
+    /// 租户关键词（名称或编码）。
+    /// </summary>
+    public string? TenantKeyword { get; init; }
+
+    /// <summary>
+    /// 即将到期天数。
+    /// </summary>
+    public int? ExpiringWithinDays { get; init; }
+
+    /// <summary>
+    /// 自动续费状态。
+    /// </summary>
+    public bool? AutoRenew { get; init; }
+
+    /// <summary>
+    /// 页码（从 1 开始）。
+    /// </summary>
+    public int Page { get; init; } = 1;
+
+    /// <summary>
+    /// 每页数量。
+    /// </summary>
+    public int PageSize { get; init; } = 20;
+}
+
+/// <summary>
+/// 订阅及关联信息。
+/// </summary>
+public record SubscriptionWithRelations
+{
+    /// <summary>
+    /// 订阅实体。
+    /// </summary>
+    public required TenantSubscription Subscription { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public required string TenantName { get; init; }
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    public required string TenantCode { get; init; }
+
+    /// <summary>
+    /// 套餐名称。
+    /// </summary>
+    public required string PackageName { get; init; }
+
+    /// <summary>
+    /// 排期套餐名称（可选）。
+    /// </summary>
+    public string? ScheduledPackageName { get; init; }
+}
+
+/// <summary>
+/// 订阅详情信息。
+/// </summary>
+public record SubscriptionDetailInfo
+{
+    /// <summary>
+    /// 订阅实体。
+    /// </summary>
+    public required TenantSubscription Subscription { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public required string TenantName { get; init; }
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    public required string TenantCode { get; init; }
+
+    /// <summary>
+    /// 当前套餐。
+    /// </summary>
+    public TenantPackage? Package { get; init; }
+
+    /// <summary>
+    /// 排期套餐。
+    /// </summary>
+    public TenantPackage? ScheduledPackage { get; init; }
+}
+
+/// <summary>
+/// 订阅与租户信息。
+/// </summary>
+public record SubscriptionWithTenant
+{
+    /// <summary>
+    /// 订阅实体。
+    /// </summary>
+    public required TenantSubscription Subscription { get; init; }
+
+    /// <summary>
+    /// 租户实体。
+    /// </summary>
+    public required Tenant Tenant { get; init; }
+}
+
+/// <summary>
+/// 自动续费候选订阅信息。
+/// </summary>
+public sealed record AutoRenewalCandidate
+{
+    /// <summary>
+    /// 订阅实体。
+    /// </summary>
+    public required TenantSubscription Subscription { get; init; }
+
+    /// <summary>
+    /// 当前套餐实体。
+    /// </summary>
+    public required TenantPackage Package { get; init; }
+}
+
+/// <summary>
+/// 续费提醒候选订阅信息。
+/// </summary>
+public sealed record RenewalReminderCandidate
+{
+    /// <summary>
+    /// 订阅实体。
+    /// </summary>
+    public required TenantSubscription Subscription { get; init; }
+
+    /// <summary>
+    /// 租户实体。
+    /// </summary>
+    public required Tenant Tenant { get; init; }
+
+    /// <summary>
+    /// 当前套餐实体。
+    /// </summary>
+    public required TenantPackage Package { get; init; }
+}
+
+/// <summary>
+/// 订阅历史（含套餐名称）。
+/// </summary>
+public record SubscriptionHistoryWithPackageNames
+{
+    /// <summary>
+    /// 历史记录实体。
+    /// </summary>
+    public required TenantSubscriptionHistory History { get; init; }
+
+    /// <summary>
+    /// 原套餐名称。
+    /// </summary>
+    public required string FromPackageName { get; init; }
+
+    /// <summary>
+    /// 目标套餐名称。
+    /// </summary>
+    public required string ToPackageName { get; init; }
+}
+
+#endregion
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs
new file mode 100644
index 0000000..53af993
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs
@@ -0,0 +1,53 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Domain.Tenants.Repositories;
+
+/// <summary>
+/// 公告已读仓储。
+/// </summary>
+public interface ITenantAnnouncementReadRepository
+{
+    /// <summary>
+    /// 按公告查询已读记录。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="announcementId">公告 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>指定公告的已读列表。</returns>
+    Task<IReadOnlyList<TenantAnnouncementRead>> GetByAnnouncementAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 批量按公告查询已读记录，可选按用户过滤。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="announcementIds">公告 ID 集合。</param>
+    /// <param name="userId">用户 ID，空则不按用户筛选。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>匹配条件的已读列表。</returns>
+    Task<IReadOnlyList<TenantAnnouncementRead>> GetByAnnouncementAsync(long tenantId, IEnumerable<long> announcementIds, long? userId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询指定用户对某公告的已读记录。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="announcementId">公告 ID。</param>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>已读记录，未读返回 null。</returns>
+    Task<TenantAnnouncementRead?> FindAsync(long tenantId, long announcementId, long? userId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增已读记录。
+    /// </summary>
+    /// <param name="record">已读实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAsync(TenantAnnouncementRead record, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 保存变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs
new file mode 100644
index 0000000..dd2deee
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs
@@ -0,0 +1,97 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Domain.Tenants.Repositories;
+
+/// <summary>
+/// 租户公告仓储。
+/// </summary>
+public interface ITenantAnnouncementRepository
+{
+    /// <summary>
+    /// 查询公告列表，按类型、状态与生效时间筛选。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="keyword">关键词（标题/内容）。</param>
+    /// <param name="status">公告状态。</param>
+    /// <param name="type">公告类型。</param>
+    /// <param name="isActive">启用状态。</param>
+    /// <param name="effectiveFrom">生效开始时间筛选。</param>
+    /// <param name="effectiveTo">生效结束时间筛选。</param>
+    /// <param name="effectiveAt">生效时间点，为空不限制。</param>
+    /// <param name="orderByPriority">是否按优先级降序和生效时间降序排序，默认 false。</param>
+    /// <param name="limit">限制返回数量，为空不限制。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>公告集合。</returns>
+    Task<IReadOnlyList<TenantAnnouncement>> SearchAsync(
+        long tenantId,
+        string? keyword,
+        AnnouncementStatus? status,
+        TenantAnnouncementType? type,
+        bool? isActive,
+        DateTime? effectiveFrom,
+        DateTime? effectiveTo,
+        DateTime? effectiveAt,
+        bool orderByPriority = false,
+        int? limit = null,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询未读公告。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="status">公告状态。</param>
+    /// <param name="isActive">启用状态。</param>
+    /// <param name="effectiveAt">生效时间点，为空不限制。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>未读公告集合。</returns>
+    Task<IReadOnlyList<TenantAnnouncement>> SearchUnreadAsync(
+        long tenantId,
+        long? userId,
+        AnnouncementStatus? status,
+        bool? isActive,
+        DateTime? effectiveAt,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按 ID 获取公告。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="announcementId">公告 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>公告实体或 null。</returns>
+    Task<TenantAnnouncement?> FindByIdAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增公告。
+    /// </summary>
+    /// <param name="announcement">公告实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task AddAsync(TenantAnnouncement announcement, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新公告。
+    /// </summary>
+    /// <param name="announcement">公告实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task UpdateAsync(TenantAnnouncement announcement, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除公告。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="announcementId">公告 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task DeleteAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 保存变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageHistoryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageHistoryRepository.cs
new file mode 100644
index 0000000..927f5d4
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageHistoryRepository.cs
@@ -0,0 +1,23 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Domain.Tenants.Repositories;
+
+/// <summary>
+/// 租户配额使用历史仓储。
+/// </summary>
+public interface ITenantQuotaUsageHistoryRepository
+{
+    /// <summary>
+    /// 新增历史记录。
+    /// </summary>
+    /// <param name="history">历史记录实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task AddAsync(TenantQuotaUsageHistory history, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
+
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Services/IBillingDomainService.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Services/IBillingDomainService.cs
new file mode 100644
index 0000000..a1a0680
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Services/IBillingDomainService.cs
@@ -0,0 +1,64 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Domain.Tenants.Services;
+
+/// <summary>
+/// 账单领域服务接口。
+/// 负责处理账单生成、账单编号生成、逾期处理等跨实体的业务逻辑。
+/// </summary>
+public interface IBillingDomainService
+{
+    /// <summary>
+    /// 根据订阅信息生成账单。
+    /// </summary>
+    /// <param name="subscription">租户订阅信息。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>生成的账单实体。</returns>
+    Task<TenantBillingStatement> GenerateSubscriptionBillingAsync(
+        TenantSubscription subscription,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 根据配额包购买信息生成账单。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="quotaPackage">配额包信息。</param>
+    /// <param name="quantity">购买数量。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>生成的账单实体。</returns>
+    Task<TenantBillingStatement> GenerateQuotaPurchaseBillingAsync(
+        long tenantId,
+        QuotaPackage quotaPackage,
+        int quantity,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 生成唯一的账单编号。
+    /// 格式示例：BIL-20251217-000001
+    /// </summary>
+    /// <returns>账单编号。</returns>
+    string GenerateStatementNo();
+
+    /// <summary>
+    /// 处理逾期账单（批量标记逾期状态）。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>处理的账单数量。</returns>
+    Task<int> ProcessOverdueBillingsAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 计算账单总金额（含折扣和税费）。
+    /// </summary>
+    /// <param name="baseAmount">基础金额。</param>
+    /// <param name="discountAmount">折扣金额。</param>
+    /// <param name="taxAmount">税费金额。</param>
+    /// <returns>总金额。</returns>
+    decimal CalculateTotalAmount(decimal baseAmount, decimal discountAmount, decimal taxAmount);
+
+    /// <summary>
+    /// 验证账单状态是否可以进行支付操作。
+    /// </summary>
+    /// <param name="billing">账单实体。</param>
+    /// <returns>是否可以支付。</returns>
+    bool CanProcessPayment(TenantBillingStatement billing);
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Services/IBillingExportService.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Services/IBillingExportService.cs
new file mode 100644
index 0000000..a9882b1
--- /dev/null
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Services/IBillingExportService.cs
@@ -0,0 +1,33 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Domain.Tenants.Services;
+
+/// <summary>
+/// 账单导出服务接口。
+/// </summary>
+public interface IBillingExportService
+{
+    /// <summary>
+    /// 导出为 Excel（XLSX）。
+    /// </summary>
+    /// <param name="billings">账单数据。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>文件字节数组。</returns>
+    Task<byte[]> ExportToExcelAsync(IReadOnlyList<TenantBillingStatement> billings, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 导出为 PDF。
+    /// </summary>
+    /// <param name="billings">账单数据。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>文件字节数组。</returns>
+    Task<byte[]> ExportToPdfAsync(IReadOnlyList<TenantBillingStatement> billings, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 导出为 CSV。
+    /// </summary>
+    /// <param name="billings">账单数据。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>文件字节数组。</returns>
+    Task<byte[]> ExportToCsvAsync(IReadOnlyList<TenantBillingStatement> billings, CancellationToken cancellationToken = default);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Extensions/AppServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Extensions/AppServiceCollectionExtensions.cs
index d0ae633..2fb0b1f 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Extensions/AppServiceCollectionExtensions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Extensions/AppServiceCollectionExtensions.cs
@@ -1,57 +1,86 @@
-using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Merchants.Services;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Domain.Payments.Repositories;
+using TakeoutSaaS.Domain.Products.Repositories;
 using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Domain.Tenants.Services;
+using TakeoutSaaS.Infrastructure.App.Options;
 using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+using TakeoutSaaS.Infrastructure.Logs.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence.Repositories;
 using TakeoutSaaS.Infrastructure.App.Repositories;
+using TakeoutSaaS.Infrastructure.App.Services;
+using TakeoutSaaS.Infrastructure.Common.Extensions;
+using TakeoutSaaS.Shared.Abstractions.Constants;
 
 namespace TakeoutSaaS.Infrastructure.App.Extensions;
 
 /// <summary>
-/// 门店模块基础设施注入扩展。
+/// 业务主库基础设施注册扩展。
 /// </summary>
 public static class AppServiceCollectionExtensions
 {
     /// <summary>
-    /// 注册门店模块所需的 DbContext 与仓储。
+    /// 注册业务主库 DbContext 与仓储。
     /// </summary>
     /// <param name="services">服务集合。</param>
     /// <param name="configuration">配置源。</param>
     /// <returns>服务集合。</returns>
     public static IServiceCollection AddAppInfrastructure(this IServiceCollection services, IConfiguration configuration)
     {
-        // 1. 读取业务库连接串
-        var connectionString = ResolveAppDatabaseConnectionString(configuration);
+        services.AddDatabaseInfrastructure(configuration);
+        services.AddPostgresDbContext<TakeoutAppDbContext>(DatabaseConstants.AppDataSource);
+        services.AddPostgresDbContext<TakeoutLogsDbContext>(DatabaseConstants.LogsDataSource);
 
-        // 2. 注册门店业务 DbContext
-        services.AddDbContext<TakeoutTenantAppDbContext>(options =>
-        {
-            options.UseNpgsql(connectionString);
-        });
-
-        // 3. 注册门店仓储
+        services.AddScoped<IMerchantRepository, EfMerchantRepository>();
+        services.AddScoped<IMerchantCategoryRepository, EfMerchantCategoryRepository>();
         services.AddScoped<IStoreRepository, EfStoreRepository>();
+        services.AddScoped<IProductRepository, EfProductRepository>();
+        services.AddScoped<IOrderRepository, EfOrderRepository>();
+        services.AddScoped<IPaymentRepository, EfPaymentRepository>();
+        services.AddScoped<IDeliveryRepository, EfDeliveryRepository>();
+        services.AddScoped<ITenantRepository, EfTenantRepository>();
+        services.AddScoped<ITenantBillingRepository, TenantBillingRepository>();
+        services.AddScoped<ITenantPaymentRepository, TenantPaymentRepository>();
+        services.AddScoped<ITenantAnnouncementRepository, EfTenantAnnouncementRepository>();
+        services.AddScoped<ITenantAnnouncementReadRepository, EfTenantAnnouncementReadRepository>();
+        services.AddScoped<ITenantNotificationRepository, EfTenantNotificationRepository>();
+        services.AddScoped<ITenantPackageRepository, EfTenantPackageRepository>();
+        services.AddScoped<ITenantQuotaUsageRepository, EfTenantQuotaUsageRepository>();
+        services.AddScoped<ITenantQuotaUsageHistoryRepository, EfTenantQuotaUsageHistoryRepository>();
+        services.AddScoped<ITenantVisibilityRoleRuleRepository, TenantVisibilityRoleRuleRepository>();
+        services.AddScoped<IInventoryRepository, EfInventoryRepository>();
+        services.AddScoped<IQuotaPackageRepository, EfQuotaPackageRepository>();
+        services.AddScoped<IStatisticsRepository, EfStatisticsRepository>();
+        services.AddScoped<ISubscriptionRepository, EfSubscriptionRepository>();
+        services.AddScoped<IOperationLogRepository, EfOperationLogRepository>();
+
+        // 1. 账单领域/导出服务
+        services.AddScoped<IBillingDomainService, BillingDomainService>();
+        services.AddScoped<IBillingExportService, BillingExportService>();
+        services.AddScoped<IMerchantExportService, MerchantExportService>();
+
+        // 2. (空行后) 门店配置服务
+        services.AddScoped<IGeoJsonValidationService, GeoJsonValidationService>();
+        services.AddScoped<IDeliveryZoneService, DeliveryZoneService>();
+        services.AddScoped<IStoreFeeCalculationService, StoreFeeCalculationService>();
+        services.AddScoped<IStoreSchedulerService, StoreSchedulerService>();
+
+        // 3. (空行后) 初始化配置与种子
+        services.AddOptions<AppSeedOptions>()
+            .Bind(configuration.GetSection(AppSeedOptions.SectionName))
+            .ValidateDataAnnotations();
+
+        services.AddHostedService<AppDataSeeder>();
+
         return services;
     }
-
-    private static string ResolveAppDatabaseConnectionString(IConfiguration configuration)
-    {
-        // 1. 优先读取新结构配置
-        var writeConnection = configuration["Database:DataSources:AppDatabase:Write"];
-        if (!string.IsNullOrWhiteSpace(writeConnection))
-        {
-            return writeConnection;
-        }
-
-        // 2. 兼容 ConnectionStrings 配置
-        var fallbackConnection = configuration.GetConnectionString("AppDatabase");
-        if (!string.IsNullOrWhiteSpace(fallbackConnection))
-        {
-            return fallbackConnection;
-        }
-
-        // 3. 未配置时抛出异常
-        throw new InvalidOperationException("缺少业务库连接配置：Database:DataSources:AppDatabase:Write");
-    }
 }
-
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs
new file mode 100644
index 0000000..4099e12
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Infrastructure.App.Options;
+
+/// <summary>
+/// 业务数据种子配置。
+/// </summary>
+public sealed class AppSeedOptions
+{
+    /// <summary>
+    /// 配置节名称。
+    /// </summary>
+    public const string SectionName = "App:Seed";
+
+    /// <summary>
+    /// 是否启用业务数据种子。
+    /// </summary>
+    public bool Enabled { get; set; }
+
+    /// <summary>
+    /// 默认租户配置。
+    /// </summary>
+    public TenantSeedOptions? DefaultTenant { get; set; }
+
+    /// <summary>
+    /// 基础字典分组。
+    /// </summary>
+    public List<DictionarySeedGroupOptions> DictionaryGroups { get; set; } = new();
+
+    /// <summary>
+    /// 系统参数配置。
+    /// </summary>
+    public List<SystemParameterSeedOptions> SystemParameters { get; set; } = new();
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs
new file mode 100644
index 0000000..c59ebb4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs
@@ -0,0 +1,50 @@
+using System.ComponentModel.DataAnnotations;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Infrastructure.App.Options;
+
+/// <summary>
+/// 字典分组种子配置。
+/// </summary>
+public sealed class DictionarySeedGroupOptions
+{
+    /// <summary>
+    /// 所属租户，不填则使用默认租户或系统租户。
+    /// </summary>
+    public long? TenantId { get; set; }
+
+    /// <summary>
+    /// 分组编码。
+    /// </summary>
+    [Required]
+    [MaxLength(64)]
+    public string Code { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 分组名称。
+    /// </summary>
+    [Required]
+    [MaxLength(128)]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 分组作用域。
+    /// </summary>
+    public DictionaryScope Scope { get; set; } = DictionaryScope.Business;
+
+    /// <summary>
+    /// 描述信息。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 字典项集合。
+    /// </summary>
+    public List<DictionarySeedItemOptions> Items { get; set; } = new();
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedItemOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedItemOptions.cs
new file mode 100644
index 0000000..6d3ea0b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedItemOptions.cs
@@ -0,0 +1,39 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Infrastructure.App.Options;
+
+/// <summary>
+/// 字典项种子配置。
+/// </summary>
+public sealed class DictionarySeedItemOptions
+{
+    /// <summary>
+    /// 字典项键。
+    /// </summary>
+    [Required]
+    [MaxLength(64)]
+    public string Key { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 字典项值。
+    /// </summary>
+    [Required]
+    [MaxLength(256)]
+    public string Value { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 描述。
+    /// </summary>
+    [MaxLength(512)]
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/SystemParameterSeedOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/SystemParameterSeedOptions.cs
new file mode 100644
index 0000000..a9df90b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/SystemParameterSeedOptions.cs
@@ -0,0 +1,37 @@
+namespace TakeoutSaaS.Infrastructure.App.Options;
+
+/// <summary>
+/// 系统参数种子配置项。
+/// </summary>
+public sealed class SystemParameterSeedOptions
+{
+    /// <summary>
+    /// 目标租户，null 时使用默认租户或 0。
+    /// </summary>
+    public long? TenantId { get; set; }
+
+    /// <summary>
+    /// 参数键。
+    /// </summary>
+    public string Key { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 参数值。
+    /// </summary>
+    public string Value { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 说明。
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 排序。
+    /// </summary>
+    public int SortOrder { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/TenantSeedOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/TenantSeedOptions.cs
new file mode 100644
index 0000000..044e4e6
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/TenantSeedOptions.cs
@@ -0,0 +1,46 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Infrastructure.App.Options;
+
+/// <summary>
+/// 默认租户种子配置。
+/// </summary>
+public sealed class TenantSeedOptions
+{
+    /// <summary>
+    /// 自定义租户标识，不填则自动生成。
+    /// </summary>
+    public long TenantId { get; set; }
+
+    /// <summary>
+    /// 租户编码。
+    /// </summary>
+    [Required]
+    [MaxLength(64)]
+    public string Code { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    [Required]
+    [MaxLength(128)]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 租户简称。
+    /// </summary>
+    [MaxLength(128)]
+    public string? ShortName { get; set; }
+
+    /// <summary>
+    /// 联系人姓名。
+    /// </summary>
+    [MaxLength(64)]
+    public string? ContactName { get; set; }
+
+    /// <summary>
+    /// 联系电话。
+    /// </summary>
+    [MaxLength(32)]
+    public string? ContactPhone { get; set; }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs
new file mode 100644
index 0000000..079a573
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs
@@ -0,0 +1,494 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.SystemParameters.Entities;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Infrastructure.App.Options;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence;
+
+/// <summary>
+/// 业务数据种子，确保默认租户与基础字典可重复执行。
+/// </summary>
+/// <remarks>
+/// 初始化种子服务。
+/// </remarks>
+public sealed class AppDataSeeder(
+    IServiceProvider serviceProvider,
+    ILogger<AppDataSeeder> logger,
+    IOptions<AppSeedOptions> options) : IHostedService
+{
+    private readonly AppSeedOptions _options = options.Value;
+
+
+    /// <inheritdoc />
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        if (!_options.Enabled)
+        {
+            logger.LogInformation("AppSeed 未启用，跳过业务数据初始化");
+            return;
+        }
+
+        using var scope = serviceProvider.CreateScope();
+        var appDbContext = scope.ServiceProvider.GetRequiredService<TakeoutAppDbContext>();
+        var dictionaryDbContext = scope.ServiceProvider.GetRequiredService<DictionaryDbContext>();
+        var tenantContextAccessor = scope.ServiceProvider.GetRequiredService<ITenantContextAccessor>();
+
+        await EnsureSystemTenantAsync(appDbContext, cancellationToken);
+        var defaultTenantId = await EnsureDefaultTenantAsync(appDbContext, cancellationToken);
+        await EnsureDictionarySeedsAsync(dictionaryDbContext, tenantContextAccessor, defaultTenantId, cancellationToken);
+
+        logger.LogInformation("AppSeed 完成业务数据初始化");
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    /// <summary>
+    /// 确保默认租户存在。
+    /// </summary>
+    private async Task<long?> EnsureDefaultTenantAsync(TakeoutAppDbContext dbContext, CancellationToken cancellationToken)
+    {
+        using var _ = dbContext.DisableSoftDeleteFilter();
+        var tenantOptions = _options.DefaultTenant;
+        if (tenantOptions == null || string.IsNullOrWhiteSpace(tenantOptions.Code) || string.IsNullOrWhiteSpace(tenantOptions.Name))
+        {
+            logger.LogInformation("AppSeed 未配置默认租户，跳过租户种子");
+            return null;
+        }
+
+        var code = tenantOptions.Code.Trim();
+        var existingTenant = await dbContext.Tenants
+            .FirstOrDefaultAsync(x => x.Code == code, cancellationToken);
+
+        if (existingTenant == null)
+        {
+            var tenant = new Tenant
+            {
+                Id = tenantOptions.TenantId,
+                Code = code,
+                Name = tenantOptions.Name.Trim(),
+                ShortName = tenantOptions.ShortName?.Trim(),
+                ContactName = tenantOptions.ContactName?.Trim(),
+                ContactPhone = tenantOptions.ContactPhone?.Trim(),
+                Status = TenantStatus.Active
+            };
+
+            await dbContext.Tenants.AddAsync(tenant, cancellationToken);
+            await dbContext.SaveChangesAsync(cancellationToken);
+            logger.LogInformation("AppSeed 已创建默认租户 {TenantCode}", code);
+            return tenant.Id;
+        }
+
+        var updated = false;
+
+        if (existingTenant.DeletedAt.HasValue)
+        {
+            existingTenant.DeletedAt = null;
+            existingTenant.DeletedBy = null;
+            updated = true;
+        }
+
+        if (!string.Equals(existingTenant.Name, tenantOptions.Name, StringComparison.Ordinal))
+        {
+            existingTenant.Name = tenantOptions.Name.Trim();
+            updated = true;
+        }
+
+        if (!string.Equals(existingTenant.ShortName, tenantOptions.ShortName, StringComparison.Ordinal))
+        {
+            existingTenant.ShortName = tenantOptions.ShortName?.Trim();
+            updated = true;
+        }
+
+        if (!string.Equals(existingTenant.ContactName, tenantOptions.ContactName, StringComparison.Ordinal))
+        {
+            existingTenant.ContactName = tenantOptions.ContactName?.Trim();
+            updated = true;
+        }
+
+        if (!string.Equals(existingTenant.ContactPhone, tenantOptions.ContactPhone, StringComparison.Ordinal))
+        {
+            existingTenant.ContactPhone = tenantOptions.ContactPhone?.Trim();
+            updated = true;
+        }
+
+        if (existingTenant.Status != TenantStatus.Active)
+        {
+            existingTenant.Status = TenantStatus.Active;
+            updated = true;
+        }
+
+        if (updated)
+        {
+            dbContext.Tenants.Update(existingTenant);
+            await dbContext.SaveChangesAsync(cancellationToken);
+            logger.LogInformation("AppSeed 已更新默认租户 {TenantCode}", code);
+        }
+        else
+        {
+            logger.LogInformation("AppSeed 默认租户 {TenantCode} 已存在且无需更新", code);
+        }
+
+        return existingTenant.Id;
+    }
+
+    /// <summary>
+    /// 确保系统租户存在（TenantId=0，用于系统级数据归属）。
+    /// </summary>
+    private async Task EnsureSystemTenantAsync(TakeoutAppDbContext dbContext, CancellationToken cancellationToken)
+    {
+        using var _ = dbContext.DisableSoftDeleteFilter();
+        var existingTenant = await dbContext.Tenants
+            .FirstOrDefaultAsync(x => x.Id == 0, cancellationToken);
+
+        if (existingTenant != null)
+        {
+            // 1. (空行后) 若历史数据仍为 PLATFORM，则自动修正为 SYSTEM
+            var updated = false;
+
+            if (existingTenant.DeletedAt.HasValue)
+            {
+                existingTenant.DeletedAt = null;
+                existingTenant.DeletedBy = null;
+                updated = true;
+            }
+            if (!string.Equals(existingTenant.Code, "SYSTEM", StringComparison.Ordinal))
+            {
+                existingTenant.Code = "SYSTEM";
+                updated = true;
+            }
+
+            if (!string.Equals(existingTenant.Name, "System", StringComparison.Ordinal))
+            {
+                existingTenant.Name = "System";
+                updated = true;
+            }
+
+            if (existingTenant.Status != TenantStatus.Active)
+            {
+                existingTenant.Status = TenantStatus.Active;
+                updated = true;
+            }
+
+            if (updated)
+            {
+                dbContext.Tenants.Update(existingTenant);
+                await dbContext.SaveChangesAsync(cancellationToken);
+                logger.LogInformation("AppSeed 已更新系统租户 SYSTEM");
+            }
+
+            return;
+        }
+
+        var tenant = new Tenant
+        {
+            Id = 0,
+            Code = "SYSTEM",
+            Name = "System",
+            Status = TenantStatus.Active
+        };
+
+        await dbContext.Tenants.AddAsync(tenant, cancellationToken);
+        await dbContext.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("AppSeed 已创建系统租户 SYSTEM");
+    }
+
+    /// <summary>
+    /// 确保基础字典存在。
+    /// </summary>
+    private async Task EnsureDictionarySeedsAsync(
+        DictionaryDbContext dbContext,
+        ITenantContextAccessor tenantContextAccessor,
+        long? defaultTenantId,
+        CancellationToken cancellationToken)
+    {
+        var dictionaryGroups = _options.DictionaryGroups ?? new List<DictionarySeedGroupOptions>();
+        var hasDictionaryGroups = dictionaryGroups.Count > 0;
+
+        if (!hasDictionaryGroups)
+        {
+            logger.LogInformation("AppSeed 未配置基础字典，跳过字典种子");
+        }
+
+        if (hasDictionaryGroups)
+        {
+            foreach (var groupOptions in dictionaryGroups)
+            {
+                if (string.IsNullOrWhiteSpace(groupOptions.Code) || string.IsNullOrWhiteSpace(groupOptions.Name))
+                {
+                    logger.LogWarning("AppSeed 跳过字典分组，Code 或 Name 为空");
+                    continue;
+                }
+
+                var tenantId = groupOptions.TenantId ?? defaultTenantId ?? 0;
+                var code = groupOptions.Code.Trim();
+
+                using var tenantScope = tenantContextAccessor.EnterTenantScope(tenantId, "app-seed");
+                using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+                var group = await dbContext.DictionaryGroups
+                    .FirstOrDefaultAsync(x => x.Code == code, cancellationToken);
+
+                if (group == null)
+                {
+                    group = new DictionaryGroup
+                    {
+                        Id = 0,
+                        TenantId = tenantId,
+                        Code = code,
+                        Name = groupOptions.Name.Trim(),
+                        Scope = groupOptions.Scope,
+                        Description = groupOptions.Description?.Trim(),
+                        IsEnabled = groupOptions.IsEnabled
+                    };
+
+                    await dbContext.DictionaryGroups.AddAsync(group, cancellationToken);
+                    logger.LogInformation("AppSeed 创建字典分组 {GroupCode} (Tenant: {TenantId})", code, tenantId);
+                }
+                else
+                {
+                    var groupUpdated = false;
+
+                    if (group.DeletedAt.HasValue)
+                    {
+                        group.DeletedAt = null;
+                        group.DeletedBy = null;
+                        groupUpdated = true;
+                    }
+
+                    if (!string.Equals(group.Name, groupOptions.Name, StringComparison.Ordinal))
+                    {
+                        group.Name = groupOptions.Name.Trim();
+                        groupUpdated = true;
+                    }
+
+                    if (!string.Equals(group.Description, groupOptions.Description, StringComparison.Ordinal))
+                    {
+                        group.Description = groupOptions.Description?.Trim();
+                        groupUpdated = true;
+                    }
+
+                    if (group.Scope != groupOptions.Scope)
+                    {
+                        group.Scope = groupOptions.Scope;
+                        groupUpdated = true;
+                    }
+
+                    if (group.IsEnabled != groupOptions.IsEnabled)
+                    {
+                        group.IsEnabled = groupOptions.IsEnabled;
+                        groupUpdated = true;
+                    }
+
+                    if (groupUpdated)
+                    {
+                        dbContext.DictionaryGroups.Update(group);
+                    }
+                }
+
+                await UpsertDictionaryItemsAsync(dbContext, group, groupOptions.Items, tenantId, cancellationToken);
+            }
+        }
+
+        await EnsureSystemParametersAsync(dbContext, tenantContextAccessor, defaultTenantId, cancellationToken);
+        await dbContext.SaveChangesAsync(cancellationToken);
+    }
+
+
+    /// <summary>
+    /// 确保系统参数以独立表形式可重复种子。
+    /// </summary>
+    private async Task EnsureSystemParametersAsync(
+        DictionaryDbContext dbContext,
+        ITenantContextAccessor tenantContextAccessor,
+        long? defaultTenantId,
+        CancellationToken cancellationToken)
+    {
+        var systemParameters = _options.SystemParameters ?? new List<SystemParameterSeedOptions>();
+
+        if (systemParameters.Count == 0)
+        {
+            logger.LogInformation("AppSeed 未配置系统参数，跳过系统参数种子");
+            return;
+        }
+
+        var grouped = systemParameters
+            .Where(x => !string.IsNullOrWhiteSpace(x.Key) && !string.IsNullOrWhiteSpace(x.Value))
+            .GroupBy(x => x.TenantId ?? defaultTenantId ?? 0);
+
+        if (!grouped.Any())
+        {
+            logger.LogInformation("AppSeed 系统参数配置为空，跳过系统参数种子");
+            return;
+        }
+
+        foreach (var group in grouped)
+        {
+            var tenantId = group.Key;
+            using var tenantScope = tenantContextAccessor.EnterTenantScope(tenantId, "app-seed");
+            using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+            var existingParameters = await dbContext.SystemParameters
+                .ToListAsync(cancellationToken);
+
+            foreach (var seed in group)
+            {
+                var key = seed.Key.Trim();
+                var existing = existingParameters.FirstOrDefault(x => x.Key.Equals(key, StringComparison.OrdinalIgnoreCase));
+
+                if (existing == null)
+                {
+                    var parameter = new SystemParameter
+                    {
+                        Id = 0,
+                        TenantId = tenantId,
+                        Key = key,
+                        Value = seed.Value.Trim(),
+                        Description = seed.Description?.Trim(),
+                        SortOrder = seed.SortOrder,
+                        IsEnabled = seed.IsEnabled
+                    };
+
+                    await dbContext.SystemParameters.AddAsync(parameter, cancellationToken);
+                    continue;
+                }
+
+                var updated = false;
+
+                if (existing.DeletedAt.HasValue)
+                {
+                    existing.DeletedAt = null;
+                    existing.DeletedBy = null;
+                    updated = true;
+                }
+
+                if (!string.Equals(existing.Value, seed.Value, StringComparison.Ordinal))
+                {
+                    existing.Value = seed.Value.Trim();
+                    updated = true;
+                }
+
+                if (!string.Equals(existing.Description, seed.Description, StringComparison.Ordinal))
+                {
+                    existing.Description = seed.Description?.Trim();
+                    updated = true;
+                }
+
+                if (existing.SortOrder != seed.SortOrder)
+                {
+                    existing.SortOrder = seed.SortOrder;
+                    updated = true;
+                }
+
+                if (existing.IsEnabled != seed.IsEnabled)
+                {
+                    existing.IsEnabled = seed.IsEnabled;
+                    updated = true;
+                }
+
+                if (updated)
+                {
+                    dbContext.SystemParameters.Update(existing);
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// 合并字典项。
+    /// </summary>
+    private static async Task UpsertDictionaryItemsAsync(
+        DictionaryDbContext dbContext,
+        DictionaryGroup group,
+        IEnumerable<DictionarySeedItemOptions> seedItems,
+        long tenantId,
+        CancellationToken cancellationToken)
+    {
+        // 确保分组已持久化以获取正确的主键，避免 FK 约束报错。
+        if (!dbContext.Entry(group).IsKeySet || group.Id == 0)
+        {
+            await dbContext.SaveChangesAsync(cancellationToken);
+        }
+
+        var materializedItems = seedItems
+            .Where(item => !string.IsNullOrWhiteSpace(item.Key) && !string.IsNullOrWhiteSpace(item.Value))
+            .ToList();
+
+        if (materializedItems.Count == 0)
+        {
+            return;
+        }
+
+        var existingItems = await dbContext.DictionaryItems
+            .Where(x => x.GroupId == group.Id)
+            .ToListAsync(cancellationToken);
+
+        foreach (var seed in materializedItems)
+        {
+            var key = seed.Key.Trim();
+            var existing = existingItems.FirstOrDefault(x => x.Key.Equals(key, StringComparison.OrdinalIgnoreCase));
+
+            if (existing == null)
+            {
+                var newItem = new DictionaryItem
+                {
+                    Id = 0,
+                    TenantId = tenantId,
+                    GroupId = group.Id,
+                    Key = key,
+                    Value = seed.Value.Trim(),
+                    Description = seed.Description?.Trim(),
+                    SortOrder = seed.SortOrder,
+                    IsEnabled = seed.IsEnabled
+                };
+
+                await dbContext.DictionaryItems.AddAsync(newItem, cancellationToken);
+                continue;
+            }
+
+            var updated = false;
+
+            if (existing.DeletedAt.HasValue)
+            {
+                existing.DeletedAt = null;
+                existing.DeletedBy = null;
+                updated = true;
+            }
+
+            if (!string.Equals(existing.Value, seed.Value, StringComparison.Ordinal))
+            {
+                existing.Value = seed.Value.Trim();
+                updated = true;
+            }
+
+            if (!string.Equals(existing.Description, seed.Description, StringComparison.Ordinal))
+            {
+                existing.Description = seed.Description?.Trim();
+                updated = true;
+            }
+
+            if (existing.SortOrder != seed.SortOrder)
+            {
+                existing.SortOrder = seed.SortOrder;
+                updated = true;
+            }
+
+            if (existing.IsEnabled != seed.IsEnabled)
+            {
+                existing.IsEnabled = seed.IsEnabled;
+                updated = true;
+            }
+
+            if (updated)
+            {
+                dbContext.DictionaryItems.Update(existing);
+            }
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Configurations/TenantBillingStatementConfiguration.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Configurations/TenantBillingStatementConfiguration.cs
new file mode 100644
index 0000000..d40970f
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Configurations/TenantBillingStatementConfiguration.cs
@@ -0,0 +1,51 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence.Configurations;
+
+/// <summary>
+/// <see cref="TenantBillingStatement"/> EF Core 映射配置。
+/// </summary>
+public sealed class TenantBillingStatementConfiguration : IEntityTypeConfiguration<TenantBillingStatement>
+{
+    /// <inheritdoc />
+    public void Configure(EntityTypeBuilder<TenantBillingStatement> builder)
+    {
+        builder.ToTable("tenant_billing_statements");
+        builder.HasKey(x => x.Id);
+
+        // 1. 字段约束
+        builder.Property(x => x.StatementNo).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.BillingType).HasConversion<int>();
+        builder.Property(x => x.AmountDue).HasPrecision(18, 2);
+        builder.Property(x => x.DiscountAmount).HasPrecision(18, 2);
+        builder.Property(x => x.TaxAmount).HasPrecision(18, 2);
+        builder.Property(x => x.AmountPaid).HasPrecision(18, 2);
+        builder.Property(x => x.Currency).HasMaxLength(8).HasDefaultValue("CNY");
+        builder.Property(x => x.Status).HasConversion<int>();
+
+        // 2. JSON 字段（当前以 text 存储 JSON 字符串，便于兼容历史迁移）
+        builder.Property(x => x.LineItemsJson).HasColumnType("text");
+
+        // 3. 备注字段
+        builder.Property(x => x.Notes).HasMaxLength(512);
+
+        // 4. 唯一约束与索引
+        builder.HasIndex(x => new { x.TenantId, x.StatementNo }).IsUnique();
+
+        // 5. 性能索引（高频查询：租户+状态+到期日）
+        builder.HasIndex(x => new { x.TenantId, x.Status, x.DueDate })
+            .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+        // 6. 逾期扫描索引（仅索引 Pending/Overdue）
+        builder.HasIndex(x => new { x.Status, x.DueDate })
+            .HasDatabaseName("idx_billing_status_duedate")
+            .HasFilter($"\"Status\" IN ({(int)TenantBillingStatus.Pending}, {(int)TenantBillingStatus.Overdue})");
+
+        // 7. 创建时间索引（支持列表倒序）
+        builder.HasIndex(x => x.CreatedAt)
+            .HasDatabaseName("idx_billing_created_at");
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Configurations/TenantPaymentConfiguration.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Configurations/TenantPaymentConfiguration.cs
new file mode 100644
index 0000000..114a31c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Configurations/TenantPaymentConfiguration.cs
@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using TakeoutSaaS.Domain.Tenants.Entities;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence.Configurations;
+
+/// <summary>
+/// <see cref="TenantPayment"/> EF Core 映射配置。
+/// </summary>
+public sealed class TenantPaymentConfiguration : IEntityTypeConfiguration<TenantPayment>
+{
+    /// <inheritdoc />
+    public void Configure(EntityTypeBuilder<TenantPayment> builder)
+    {
+        builder.ToTable("tenant_payments");
+        builder.HasKey(x => x.Id);
+
+        // 1. 字段约束
+        builder.Property(x => x.BillingStatementId).IsRequired();
+        builder.Property(x => x.Amount).HasPrecision(18, 2).IsRequired();
+        builder.Property(x => x.Method).HasConversion<int>();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.TransactionNo).HasMaxLength(64);
+        builder.Property(x => x.ProofUrl).HasMaxLength(512);
+        builder.Property(x => x.RefundReason).HasMaxLength(512);
+        builder.Property(x => x.Notes).HasMaxLength(512);
+
+        // 2. 复合索引：租户+账单
+        builder.HasIndex(x => new { x.TenantId, x.BillingStatementId });
+
+        // 3. 支付记录时间排序索引
+        builder.HasIndex(x => new { x.BillingStatementId, x.PaidAt })
+            .HasDatabaseName("idx_payment_billing_paidat");
+
+        // 4. 交易号索引（部分索引：仅非空）
+        builder.HasIndex(x => x.TransactionNo)
+            .HasDatabaseName("idx_payment_transaction_no")
+            .HasFilter("\"TransactionNo\" IS NOT NULL");
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantBillingRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantBillingRepository.cs
new file mode 100644
index 0000000..07b6eb5
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantBillingRepository.cs
@@ -0,0 +1,655 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence.Repositories;
+
+/// <summary>
+/// 租户账单仓储实现（EF Core）。
+/// </summary>
+public sealed class TenantBillingRepository(TakeoutAppDbContext context, ITenantContextAccessor tenantContextAccessor) : ITenantBillingRepository
+{
+    private long GetCurrentTenantId()
+        => tenantContextAccessor.Current?.TenantId ?? 0;
+
+    private Task<List<long>> GetActiveTenantIdsAsync(CancellationToken cancellationToken)
+        => context.Tenants
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.Id > 0)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantBillingStatement>> SearchAsync(
+        long tenantId,
+        TenantBillingStatus? status,
+        DateTime? from,
+        DateTime? to,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询：在当前租户上下文内查询
+        var query = context.TenantBillingStatements
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.TenantId == tenantId);
+
+        // 2. 按状态过滤
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        // 3. 按日期范围过滤（账单周期）
+        if (from.HasValue)
+        {
+            query = query.Where(x => x.PeriodStart >= from.Value);
+        }
+
+        if (to.HasValue)
+        {
+            query = query.Where(x => x.PeriodEnd <= to.Value);
+        }
+
+        // 4. 排序返回
+        return await query
+            .OrderByDescending(x => x.PeriodEnd)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantBillingStatement?> FindByIdAsync(long tenantId, long billingId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantBillingStatements
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.DeletedAt == null && x.TenantId == tenantId && x.Id == billingId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantBillingStatement?> FindByStatementNoAsync(long tenantId, string statementNo, CancellationToken cancellationToken = default)
+    {
+        var normalized = statementNo.Trim();
+
+        return context.TenantBillingStatements
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.DeletedAt == null && x.TenantId == tenantId && x.StatementNo == normalized, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantBillingStatement?> GetByStatementNoAsync(string statementNo, CancellationToken cancellationToken = default)
+    {
+        var normalized = statementNo.Trim();
+
+        return GetCurrentTenantId() == 0
+            ? GetByStatementNoCrossTenantAsync(normalized, cancellationToken)
+            : context.TenantBillingStatements
+                .AsNoTracking()
+                .FirstOrDefaultAsync(x => x.DeletedAt == null && x.StatementNo == normalized, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsNotCancelledByPeriodStartAsync(
+        long tenantId,
+        DateTime periodStart,
+        CancellationToken cancellationToken = default)
+    {
+        return context.TenantBillingStatements
+            .AsNoTracking()
+            .AnyAsync(
+                x => x.DeletedAt == null
+                     && x.TenantId == tenantId
+                     && x.PeriodStart == periodStart
+                     && x.Status != TenantBillingStatus.Cancelled,
+                cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantBillingStatement>> GetOverdueBillingsAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 以当前 UTC 时间作为逾期判断基准
+        var now = DateTime.UtcNow;
+        var currentTenantId = GetCurrentTenantId();
+        if (currentTenantId != 0)
+        {
+            // 2. (空行后) 当前租户：仅查询本租户逾期账单
+            return await context.TenantBillingStatements
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null
+                            && x.DueDate < now
+                            && x.Status == TenantBillingStatus.Pending)
+                .OrderBy(x => x.DueDate)
+                .ToListAsync(cancellationToken);
+        }
+
+        // 2. (空行后) 系统上下文：逐租户查询逾期账单并合并
+        var tenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        if (tenantIds.Count == 0)
+        {
+            return Array.Empty<TenantBillingStatement>();
+        }
+
+        var results = new List<TenantBillingStatement>();
+        foreach (var tenantId in tenantIds)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenantId, "billing"))
+            {
+                var items = await context.TenantBillingStatements
+                    .AsNoTracking()
+                    .Where(x => x.DeletedAt == null
+                                && x.DueDate < now
+                                && x.Status == TenantBillingStatus.Pending)
+                    .ToListAsync(cancellationToken);
+
+                results.AddRange(items);
+            }
+        }
+
+        return results
+            .OrderBy(x => x.DueDate)
+            .ToList();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantBillingStatement>> GetBillingsDueSoonAsync(int daysAhead, CancellationToken cancellationToken = default)
+    {
+        // 1. 计算到期窗口
+        var now = DateTime.UtcNow;
+        var dueTo = now.AddDays(daysAhead);
+        var currentTenantId = GetCurrentTenantId();
+        if (currentTenantId != 0)
+        {
+            // 2. (空行后) 当前租户：仅查询本租户即将到期账单
+            return await context.TenantBillingStatements
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null
+                            && x.Status == TenantBillingStatus.Pending
+                            && x.DueDate >= now
+                            && x.DueDate <= dueTo)
+                .OrderBy(x => x.DueDate)
+                .ToListAsync(cancellationToken);
+        }
+
+        // 2. (空行后) 系统上下文：逐租户查询即将到期账单并合并
+        var tenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        if (tenantIds.Count == 0)
+        {
+            return Array.Empty<TenantBillingStatement>();
+        }
+
+        var results = new List<TenantBillingStatement>();
+        foreach (var tenantId in tenantIds)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenantId, "billing"))
+            {
+                var items = await context.TenantBillingStatements
+                    .AsNoTracking()
+                    .Where(x => x.DeletedAt == null
+                                && x.Status == TenantBillingStatus.Pending
+                                && x.DueDate >= now
+                                && x.DueDate <= dueTo)
+                    .ToListAsync(cancellationToken);
+
+                results.AddRange(items);
+            }
+        }
+
+        return results
+            .OrderBy(x => x.DueDate)
+            .ToList();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantBillingStatement>> GetByTenantIdAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return await context.TenantBillingStatements
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.TenantId == tenantId)
+            .OrderByDescending(x => x.PeriodEnd)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantBillingStatement>> GetByIdsAsync(IReadOnlyCollection<long> billingIds, CancellationToken cancellationToken = default)
+    {
+        if (billingIds.Count == 0)
+        {
+            return Array.Empty<TenantBillingStatement>();
+        }
+
+        // 1. 系统上下文：逐租户查找匹配账单；租户上下文：仅返回本租户账单
+        var ids = billingIds.Distinct().ToArray();
+        var currentTenantId = GetCurrentTenantId();
+        if (currentTenantId != 0)
+        {
+            return await context.TenantBillingStatements
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null && ids.Contains(x.Id))
+                .OrderByDescending(x => x.PeriodStart)
+                .ToListAsync(cancellationToken);
+        }
+
+        var tenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        if (tenantIds.Count == 0)
+        {
+            return Array.Empty<TenantBillingStatement>();
+        }
+
+        var results = new List<TenantBillingStatement>();
+        foreach (var tenantId in tenantIds)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenantId, "billing"))
+            {
+                var items = await context.TenantBillingStatements
+                    .AsNoTracking()
+                    .Where(x => x.DeletedAt == null && ids.Contains(x.Id))
+                    .ToListAsync(cancellationToken);
+
+                results.AddRange(items);
+            }
+        }
+
+        return results
+            .OrderByDescending(x => x.PeriodStart)
+            .ToList();
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantBillingStatement bill, CancellationToken cancellationToken = default)
+    {
+        return context.TenantBillingStatements.AddAsync(bill, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantBillingStatement bill, CancellationToken cancellationToken = default)
+    {
+        context.TenantBillingStatements.Update(bill);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<TenantBillingStatement> Items, int Total)> SearchPagedAsync(
+        long? tenantId,
+        TenantBillingStatus? status,
+        DateTime? from,
+        DateTime? to,
+        decimal? minAmount,
+        decimal? maxAmount,
+        string? keyword,
+        int pageNumber,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        var normalizedPageNumber = pageNumber <= 0 ? 1 : pageNumber;
+        var normalizedPageSize = pageSize <= 0 ? 20 : pageSize;
+        var skip = (normalizedPageNumber - 1) * normalizedPageSize;
+        var takePerTenant = normalizedPageNumber * normalizedPageSize;
+
+        var currentTenantId = GetCurrentTenantId();
+        if (currentTenantId != 0)
+        {
+            // 1. 当前租户：仅查询本租户数据（tenantId 为空则默认当前租户）
+            var effectiveTenantId = tenantId ?? currentTenantId;
+            var query = BuildTenantQuery(effectiveTenantId, status, from, to, minAmount, maxAmount, keyword);
+            var total = await query.CountAsync(cancellationToken);
+            var items = await query
+                .OrderByDescending(x => x.PeriodEnd)
+                .Skip(skip)
+                .Take(normalizedPageSize)
+                .ToListAsync(cancellationToken);
+
+            return (items, total);
+        }
+
+        // 2. (空行后) 系统上下文：可按指定 tenantId 查询；tenantId 为空则跨租户聚合分页
+        if (tenantId.HasValue)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenantId.Value, "billing"))
+            {
+                var query = BuildTenantQuery(tenantId.Value, status, from, to, minAmount, maxAmount, keyword);
+                var total = await query.CountAsync(cancellationToken);
+                var items = await query
+                    .OrderByDescending(x => x.PeriodEnd)
+                    .Skip(skip)
+                    .Take(normalizedPageSize)
+                    .ToListAsync(cancellationToken);
+
+                return (items, total);
+            }
+        }
+
+        // 3. (空行后) 跨租户分页：逐租户取 Top(N) 后合并排序再分页
+        var normalizedKeyword = string.IsNullOrWhiteSpace(keyword) ? null : keyword.Trim();
+        var tenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        if (tenantIds.Count == 0)
+        {
+            return ([], 0);
+        }
+
+        HashSet<long>? keywordMatchedTenantIds = null;
+        if (!string.IsNullOrWhiteSpace(normalizedKeyword))
+        {
+            var matched = await context.Tenants
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null && EF.Functions.ILike(x.Name, $"%{normalizedKeyword}%"))
+                .Select(x => x.Id)
+                .ToListAsync(cancellationToken);
+
+            keywordMatchedTenantIds = matched.Count == 0 ? null : matched.ToHashSet();
+        }
+
+        var totalCount = 0;
+        var collected = new List<TenantBillingStatement>();
+        foreach (var tid in tenantIds)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tid, "billing"))
+            {
+                var tenantQuery = BuildTenantQuery(tid, status, from, to, minAmount, maxAmount, keyword: null);
+
+                if (!string.IsNullOrWhiteSpace(normalizedKeyword))
+                {
+                    // 3.1 租户名命中时视为匹配全部账单，否则按账单号筛选
+                    var tenantNameMatched = keywordMatchedTenantIds is not null && keywordMatchedTenantIds.Contains(tid);
+                    if (!tenantNameMatched)
+                    {
+                        tenantQuery = tenantQuery.Where(x => EF.Functions.ILike(x.StatementNo, $"%{normalizedKeyword}%"));
+                    }
+                }
+
+                totalCount += await tenantQuery.CountAsync(cancellationToken);
+
+                var topItems = await tenantQuery
+                    .OrderByDescending(x => x.PeriodEnd)
+                    .Take(takePerTenant)
+                    .ToListAsync(cancellationToken);
+
+                collected.AddRange(topItems);
+            }
+        }
+
+        var pageItems = collected
+            .OrderByDescending(x => x.PeriodEnd)
+            .Skip(skip)
+            .Take(normalizedPageSize)
+            .ToList();
+
+        return (pageItems, totalCount);
+    }
+
+    /// <inheritdoc />
+    public async Task<TenantBillingStatistics> GetStatisticsAsync(
+        long? tenantId,
+        DateTime startDate,
+        DateTime endDate,
+        string groupBy,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 统一时间基准与分组方式
+        var now = DateTime.UtcNow;
+        var normalizedGroupBy = NormalizeGroupBy(groupBy);
+        var currentTenantId = GetCurrentTenantId();
+
+        // 2. (空行后) 构造待统计租户列表
+        List<long> targetTenantIds;
+        if (currentTenantId != 0)
+        {
+            targetTenantIds = [tenantId ?? currentTenantId];
+        }
+        else if (tenantId.HasValue)
+        {
+            targetTenantIds = [tenantId.Value];
+        }
+        else
+        {
+            targetTenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        }
+
+        if (targetTenantIds.Count == 0)
+        {
+            return new TenantBillingStatistics();
+        }
+
+        // 3. (空行后) 拉取统计字段（逐租户上下文执行）
+        var rows = new List<BillingStatisticsRow>();
+        foreach (var tid in targetTenantIds)
+        {
+            if (currentTenantId == 0)
+            {
+                using (tenantContextAccessor.EnterTenantScope(tid, "billing"))
+                {
+                    var tenantRows = await BuildStatisticsQuery(startDate, endDate)
+                        .Select(x => new BillingStatisticsRow
+                        {
+                            PeriodStart = x.PeriodStart,
+                            AmountDue = x.AmountDue,
+                            DiscountAmount = x.DiscountAmount,
+                            TaxAmount = x.TaxAmount,
+                            AmountPaid = x.AmountPaid,
+                            Status = x.Status,
+                            DueDate = x.DueDate
+                        })
+                        .ToListAsync(cancellationToken);
+
+                    rows.AddRange(tenantRows);
+                }
+
+                continue;
+            }
+
+            var tenantRowsDirect = await BuildStatisticsQuery(startDate, endDate)
+                .Where(x => x.TenantId == tid)
+                .Select(x => new BillingStatisticsRow
+                {
+                    PeriodStart = x.PeriodStart,
+                    AmountDue = x.AmountDue,
+                    DiscountAmount = x.DiscountAmount,
+                    TaxAmount = x.TaxAmount,
+                    AmountPaid = x.AmountPaid,
+                    Status = x.Status,
+                    DueDate = x.DueDate
+                })
+                .ToListAsync(cancellationToken);
+
+            rows.AddRange(tenantRowsDirect);
+        }
+
+        // 4. (空行后) 汇总统计
+        var totalAmount = rows.Sum(x => x.AmountDue - x.DiscountAmount + x.TaxAmount);
+        var paidAmount = rows.Where(x => x.Status == TenantBillingStatus.Paid).Sum(x => x.AmountPaid);
+        var unpaidAmount = rows.Sum(x => (x.AmountDue - x.DiscountAmount + x.TaxAmount) - x.AmountPaid);
+        var overdueAmount = rows
+            .Where(x => (x.Status == TenantBillingStatus.Pending || x.Status == TenantBillingStatus.Overdue) && x.DueDate < now)
+            .Sum(x => (x.AmountDue - x.DiscountAmount + x.TaxAmount) - x.AmountPaid);
+
+        var totalCount = rows.Count;
+        var paidCount = rows.Count(x => x.Status == TenantBillingStatus.Paid);
+        var unpaidCount = rows.Count(x => x.Status == TenantBillingStatus.Pending || x.Status == TenantBillingStatus.Overdue);
+        var overdueCount = rows.Count(x => (x.Status == TenantBillingStatus.Pending || x.Status == TenantBillingStatus.Overdue) && x.DueDate < now);
+
+        // 5. (空行后) 趋势统计
+        var trend = rows
+            .GroupBy(x => GetTrendBucket(x.PeriodStart, normalizedGroupBy))
+            .Select(g => new TenantBillingTrendDataPoint
+            {
+                Period = g.Key,
+                Count = g.Count(),
+                TotalAmount = g.Sum(x => x.AmountDue - x.DiscountAmount + x.TaxAmount),
+                PaidAmount = g.Sum(x => x.AmountPaid)
+            })
+            .OrderBy(x => x.Period)
+            .ToList();
+
+        return new TenantBillingStatistics
+        {
+            TotalAmount = totalAmount,
+            PaidAmount = paidAmount,
+            UnpaidAmount = unpaidAmount,
+            OverdueAmount = overdueAmount,
+            TotalCount = totalCount,
+            PaidCount = paidCount,
+            UnpaidCount = unpaidCount,
+            OverdueCount = overdueCount,
+            TrendData = trend
+        };
+    }
+
+    /// <inheritdoc />
+    public Task<TenantBillingStatement?> FindByIdAsync(long billingId, CancellationToken cancellationToken = default)
+    {
+        return GetCurrentTenantId() == 0
+            ? FindByIdCrossTenantAsync(billingId, cancellationToken)
+            : context.TenantBillingStatements
+                .AsNoTracking()
+                .FirstOrDefaultAsync(x => x.DeletedAt == null && x.Id == billingId, cancellationToken);
+    }
+
+    private IQueryable<TenantBillingStatement> BuildTenantQuery(
+        long tenantId,
+        TenantBillingStatus? status,
+        DateTime? from,
+        DateTime? to,
+        decimal? minAmount,
+        decimal? maxAmount,
+        string? keyword)
+    {
+        var query = context.TenantBillingStatements
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.TenantId == tenantId);
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        if (from.HasValue)
+        {
+            query = query.Where(x => x.PeriodStart >= from.Value);
+        }
+
+        if (to.HasValue)
+        {
+            query = query.Where(x => x.PeriodEnd <= to.Value);
+        }
+
+        if (minAmount.HasValue)
+        {
+            query = query.Where(x => x.AmountDue >= minAmount.Value);
+        }
+
+        if (maxAmount.HasValue)
+        {
+            query = query.Where(x => x.AmountDue <= maxAmount.Value);
+        }
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x => EF.Functions.ILike(x.StatementNo, $"%{normalized}%"));
+        }
+
+        return query;
+    }
+
+    private IQueryable<TenantBillingStatement> BuildStatisticsQuery(DateTime startDate, DateTime endDate)
+        => context.TenantBillingStatements
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null
+                        && x.PeriodStart >= startDate
+                        && x.PeriodEnd <= endDate);
+
+    private async Task<TenantBillingStatement?> FindByIdCrossTenantAsync(long billingId, CancellationToken cancellationToken)
+    {
+        var tenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        foreach (var tenantId in tenantIds)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenantId, "billing"))
+            {
+                var billing = await context.TenantBillingStatements
+                    .AsNoTracking()
+                    .FirstOrDefaultAsync(x => x.DeletedAt == null && x.Id == billingId, cancellationToken);
+                if (billing != null)
+                {
+                    return billing;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private async Task<TenantBillingStatement?> GetByStatementNoCrossTenantAsync(string statementNo, CancellationToken cancellationToken)
+    {
+        var tenantIds = await GetActiveTenantIdsAsync(cancellationToken);
+        foreach (var tenantId in tenantIds)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenantId, "billing"))
+            {
+                var billing = await context.TenantBillingStatements
+                    .AsNoTracking()
+                    .FirstOrDefaultAsync(x => x.DeletedAt == null && x.StatementNo == statementNo, cancellationToken);
+                if (billing != null)
+                {
+                    return billing;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private sealed record BillingStatisticsRow
+    {
+        public required DateTime PeriodStart { get; init; }
+
+        public required decimal AmountDue { get; init; }
+
+        public required decimal DiscountAmount { get; init; }
+
+        public required decimal TaxAmount { get; init; }
+
+        public required decimal AmountPaid { get; init; }
+
+        public required TenantBillingStatus Status { get; init; }
+
+        public required DateTime DueDate { get; init; }
+    }
+
+    private static string NormalizeGroupBy(string groupBy)
+    {
+        return groupBy.Trim() switch
+        {
+            "Week" => "Week",
+            "Month" => "Month",
+            _ => "Day"
+        };
+    }
+
+    private static DateTime GetTrendBucket(DateTime periodStart, string groupBy)
+    {
+        var date = periodStart.Date;
+
+        return groupBy switch
+        {
+            "Month" => new DateTime(date.Year, date.Month, 1, 0, 0, 0, DateTimeKind.Utc),
+            "Week" => GetWeekStart(date),
+            _ => new DateTime(date.Year, date.Month, date.Day, 0, 0, 0, DateTimeKind.Utc)
+        };
+    }
+
+    private static DateTime GetWeekStart(DateTime date)
+    {
+        // 1. 将周一作为一周起始（与 PostgreSQL date_trunc('week', ...) 对齐）
+        var dayOfWeek = (int)date.DayOfWeek; // Sunday=0, Monday=1, ...
+        var daysSinceMonday = (dayOfWeek + 6) % 7;
+
+        // 2. 回退到周一 00:00:00（UTC）
+        var monday = date.AddDays(-daysSinceMonday);
+        return new DateTime(monday.Year, monday.Month, monday.Day, 0, 0, 0, DateTimeKind.Utc);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantPaymentRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantPaymentRepository.cs
new file mode 100644
index 0000000..3258722
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantPaymentRepository.cs
@@ -0,0 +1,105 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence.Repositories;
+
+/// <summary>
+/// 租户支付记录仓储实现（EF Core）。
+/// </summary>
+public sealed class TenantPaymentRepository(TakeoutAppDbContext context) : ITenantPaymentRepository
+{
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<TenantPayment> Items, int Total)> SearchPagedAsync(
+        long tenantId,
+        DateTime from,
+        DateTime to,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 归一化分页参数
+        var normalizedPage = page <= 0 ? 1 : page;
+        var normalizedPageSize = pageSize <= 0 ? 20 : pageSize;
+
+        // 2. 构建查询（按支付时间倒序）
+        var query = context.TenantPayments
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null
+                        && x.TenantId == tenantId
+                        && (x.PaidAt ?? x.CreatedAt) >= from
+                        && (x.PaidAt ?? x.CreatedAt) <= to);
+
+        // 3. 执行分页
+        var total = await query.CountAsync(cancellationToken);
+        var items = await query
+            .OrderByDescending(x => x.PaidAt ?? x.CreatedAt)
+            .Skip((normalizedPage - 1) * normalizedPageSize)
+            .Take(normalizedPageSize)
+            .ToListAsync(cancellationToken);
+
+        // 4. 返回分页结果
+        return (items, total);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantPayment>> GetByBillingIdAsync(long billingStatementId, CancellationToken cancellationToken = default)
+    {
+        return await context.TenantPayments
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.BillingStatementId == billingStatementId)
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<decimal> GetTotalPaidAmountAsync(long billingStatementId, CancellationToken cancellationToken = default)
+    {
+        // 1. 仅统计支付成功的记录
+        return await context.TenantPayments
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null
+                        && x.BillingStatementId == billingStatementId
+                        && x.Status == TenantPaymentStatus.Success)
+            .SumAsync(x => x.Amount, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantPayment?> FindByIdAsync(long paymentId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantPayments
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.DeletedAt == null && x.Id == paymentId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantPayment?> GetByTransactionNoAsync(string transactionNo, CancellationToken cancellationToken = default)
+    {
+        var normalized = transactionNo.Trim();
+
+        return context.TenantPayments
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.DeletedAt == null && x.TransactionNo == normalized, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantPayment payment, CancellationToken cancellationToken = default)
+    {
+        return context.TenantPayments.AddAsync(payment, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantPayment payment, CancellationToken cancellationToken = default)
+    {
+        context.TenantPayments.Update(payment);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantVisibilityRoleRuleRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantVisibilityRoleRuleRepository.cs
new file mode 100644
index 0000000..398bf1c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/Repositories/TenantVisibilityRoleRuleRepository.cs
@@ -0,0 +1,58 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence.Repositories;
+
+/// <summary>
+/// 租户可见角色规则仓储实现。
+/// </summary>
+public sealed class TenantVisibilityRoleRuleRepository(TakeoutAppDbContext context) : ITenantVisibilityRoleRuleRepository
+{
+    /// <summary>
+    /// 按租户获取规则。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>规则实体或 null。</returns>
+    public Task<TenantVisibilityRoleRule?> FindByTenantIdAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantVisibilityRoleRules
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.DeletedAt == null, cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增规则。
+    /// </summary>
+    /// <param name="rule">规则实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task AddAsync(TenantVisibilityRoleRule rule, CancellationToken cancellationToken = default)
+    {
+        return context.TenantVisibilityRoleRules.AddAsync(rule, cancellationToken).AsTask();
+    }
+
+    /// <summary>
+    /// 更新规则。
+    /// </summary>
+    /// <param name="rule">规则实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task UpdateAsync(TenantVisibilityRoleRule rule, CancellationToken cancellationToken = default)
+    {
+        context.TenantVisibilityRoleRules.Update(rule);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 保存变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs
new file mode 100644
index 0000000..f1c8126
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs
@@ -0,0 +1,1556 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using TakeoutSaaS.Domain.Analytics.Entities;
+using TakeoutSaaS.Domain.Coupons.Entities;
+using TakeoutSaaS.Domain.CustomerService.Entities;
+using TakeoutSaaS.Domain.Deliveries.Entities;
+using TakeoutSaaS.Domain.Distribution.Entities;
+using TakeoutSaaS.Domain.Engagement.Entities;
+using TakeoutSaaS.Domain.GroupBuying.Entities;
+using TakeoutSaaS.Domain.Inventory.Entities;
+using TakeoutSaaS.Domain.Membership.Entities;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Navigation.Entities;
+using TakeoutSaaS.Domain.Ordering.Entities;
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Payments.Entities;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Queues.Entities;
+using TakeoutSaaS.Domain.Reservations.Entities;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Infrastructure.Common.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+using TakeoutSaaS.Infrastructure.App.Persistence.Configurations;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence;
+
+/// <summary>
+/// 业务主库 DbContext。
+/// </summary>
+public sealed class TakeoutAppDbContext(
+    DbContextOptions<TakeoutAppDbContext> options,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IIdGenerator? idGenerator = null)
+    : TenantAwareDbContext(options, tenantProvider, currentUserAccessor, idGenerator)
+{
+    /// <summary>
+    /// 租户聚合根。
+    /// </summary>
+    public DbSet<Tenant> Tenants => Set<Tenant>();
+    /// <summary>
+    /// 租户套餐。
+    /// </summary>
+    public DbSet<TenantPackage> TenantPackages => Set<TenantPackage>();
+    /// <summary>
+    /// 租户订阅。
+    /// </summary>
+    public DbSet<TenantSubscription> TenantSubscriptions => Set<TenantSubscription>();
+    /// <summary>
+    /// 租户订阅历史。
+    /// </summary>
+    public DbSet<TenantSubscriptionHistory> TenantSubscriptionHistories => Set<TenantSubscriptionHistory>();
+    /// <summary>
+    /// 租户配额使用记录。
+    /// </summary>
+    public DbSet<TenantQuotaUsage> TenantQuotaUsages => Set<TenantQuotaUsage>();
+    /// <summary>
+    /// 租户配额使用历史记录。
+    /// </summary>
+    public DbSet<TenantQuotaUsageHistory> TenantQuotaUsageHistories => Set<TenantQuotaUsageHistory>();
+    /// <summary>
+    /// 租户账单。
+    /// </summary>
+    public DbSet<TenantBillingStatement> TenantBillingStatements => Set<TenantBillingStatement>();
+    /// <summary>
+    /// 租户支付记录。
+    /// </summary>
+    public DbSet<TenantPayment> TenantPayments => Set<TenantPayment>();
+    /// <summary>
+    /// 租户通知。
+    /// </summary>
+    public DbSet<TenantNotification> TenantNotifications => Set<TenantNotification>();
+    /// <summary>
+    /// 租户公告。
+    /// </summary>
+    public DbSet<TenantAnnouncement> TenantAnnouncements => Set<TenantAnnouncement>();
+    /// <summary>
+    /// 租户公告已读记录。
+    /// </summary>
+    public DbSet<TenantAnnouncementRead> TenantAnnouncementReads => Set<TenantAnnouncementRead>();
+    /// <summary>
+    /// 租户认证资料。
+    /// </summary>
+    public DbSet<TenantVerificationProfile> TenantVerificationProfiles => Set<TenantVerificationProfile>();
+    /// <summary>
+    /// 租户账单/配额可见角色规则。
+    /// </summary>
+    public DbSet<TenantVisibilityRoleRule> TenantVisibilityRoleRules => Set<TenantVisibilityRoleRule>();
+    /// <summary>
+    /// 配额包定义。
+    /// </summary>
+    public DbSet<QuotaPackage> QuotaPackages => Set<QuotaPackage>();
+    /// <summary>
+    /// 租户配额包购买记录。
+    /// </summary>
+    public DbSet<TenantQuotaPackagePurchase> TenantQuotaPackagePurchases => Set<TenantQuotaPackagePurchase>();
+    /// <summary>
+    /// 商户实体。
+    /// </summary>
+    public DbSet<Merchant> Merchants => Set<Merchant>();
+    /// <summary>
+    /// 商户资质文件。
+    /// </summary>
+    public DbSet<MerchantDocument> MerchantDocuments => Set<MerchantDocument>();
+    /// <summary>
+    /// 商户合同。
+    /// </summary>
+    public DbSet<MerchantContract> MerchantContracts => Set<MerchantContract>();
+    /// <summary>
+    /// 商户员工。
+    /// </summary>
+    public DbSet<MerchantStaff> MerchantStaff => Set<MerchantStaff>();
+    /// <summary>
+    /// 商户分类。
+    /// </summary>
+    public DbSet<MerchantCategory> MerchantCategories => Set<MerchantCategory>();
+    /// <summary>
+    /// 门店实体。
+    /// </summary>
+    public DbSet<Store> Stores => Set<Store>();
+    /// <summary>
+    /// 门店费用配置。
+    /// </summary>
+    public DbSet<StoreFee> StoreFees => Set<StoreFee>();
+    /// <summary>
+    /// 门店资质证照。
+    /// </summary>
+    public DbSet<StoreQualification> StoreQualifications => Set<StoreQualification>();
+    /// <summary>
+    /// 门店审核记录。
+    /// </summary>
+    public DbSet<StoreAuditRecord> StoreAuditRecords => Set<StoreAuditRecord>();
+    /// <summary>
+    /// 门店营业时间。
+    /// </summary>
+    public DbSet<StoreBusinessHour> StoreBusinessHours => Set<StoreBusinessHour>();
+    /// <summary>
+    /// 门店节假日。
+    /// </summary>
+    public DbSet<StoreHoliday> StoreHolidays => Set<StoreHoliday>();
+    /// <summary>
+    /// 门店配送区域。
+    /// </summary>
+    public DbSet<StoreDeliveryZone> StoreDeliveryZones => Set<StoreDeliveryZone>();
+    /// <summary>
+    /// 门店桌台区域。
+    /// </summary>
+    public DbSet<StoreTableArea> StoreTableAreas => Set<StoreTableArea>();
+    /// <summary>
+    /// 门店桌台。
+    /// </summary>
+    public DbSet<StoreTable> StoreTables => Set<StoreTable>();
+    /// <summary>
+    /// 门店员工班次。
+    /// </summary>
+    public DbSet<StoreEmployeeShift> StoreEmployeeShifts => Set<StoreEmployeeShift>();
+    /// <summary>
+    /// 自提配置。
+    /// </summary>
+    public DbSet<StorePickupSetting> StorePickupSettings => Set<StorePickupSetting>();
+    /// <summary>
+    /// 自提时间段。
+    /// </summary>
+    public DbSet<StorePickupSlot> StorePickupSlots => Set<StorePickupSlot>();
+    /// <summary>
+    /// 商品分类。
+    /// </summary>
+    public DbSet<ProductCategory> ProductCategories => Set<ProductCategory>();
+    /// <summary>
+    /// 商品。
+    /// </summary>
+    public DbSet<Product> Products => Set<Product>();
+    /// <summary>
+    /// 商品属性组。
+    /// </summary>
+    public DbSet<ProductAttributeGroup> ProductAttributeGroups => Set<ProductAttributeGroup>();
+    /// <summary>
+    /// 商品属性项。
+    /// </summary>
+    public DbSet<ProductAttributeOption> ProductAttributeOptions => Set<ProductAttributeOption>();
+    /// <summary>
+    /// SKU 实体。
+    /// </summary>
+    public DbSet<ProductSku> ProductSkus => Set<ProductSku>();
+    /// <summary>
+    /// 加料分组。
+    /// </summary>
+    public DbSet<ProductAddonGroup> ProductAddonGroups => Set<ProductAddonGroup>();
+    /// <summary>
+    /// 加料选项。
+    /// </summary>
+    public DbSet<ProductAddonOption> ProductAddonOptions => Set<ProductAddonOption>();
+    /// <summary>
+    /// 定价规则。
+    /// </summary>
+    public DbSet<ProductPricingRule> ProductPricingRules => Set<ProductPricingRule>();
+    /// <summary>
+    /// 商品媒体资源。
+    /// </summary>
+    public DbSet<ProductMediaAsset> ProductMediaAssets => Set<ProductMediaAsset>();
+    /// <summary>
+    /// 库存项目。
+    /// </summary>
+    public DbSet<InventoryItem> InventoryItems => Set<InventoryItem>();
+    /// <summary>
+    /// 库存调整记录。
+    /// </summary>
+    public DbSet<InventoryAdjustment> InventoryAdjustments => Set<InventoryAdjustment>();
+    /// <summary>
+    /// 库存批次。
+    /// </summary>
+    public DbSet<InventoryBatch> InventoryBatches => Set<InventoryBatch>();
+    /// <summary>
+    /// 库存锁定记录。
+    /// </summary>
+    public DbSet<InventoryLockRecord> InventoryLockRecords => Set<InventoryLockRecord>();
+    /// <summary>
+    /// 购物车。
+    /// </summary>
+    public DbSet<ShoppingCart> ShoppingCarts => Set<ShoppingCart>();
+    /// <summary>
+    /// 购物车明细。
+    /// </summary>
+    public DbSet<CartItem> CartItems => Set<CartItem>();
+    /// <summary>
+    /// 购物车加料。
+    /// </summary>
+    public DbSet<CartItemAddon> CartItemAddons => Set<CartItemAddon>();
+    /// <summary>
+    /// 结账会话。
+    /// </summary>
+    public DbSet<CheckoutSession> CheckoutSessions => Set<CheckoutSession>();
+    /// <summary>
+    /// 订单聚合。
+    /// </summary>
+    public DbSet<Order> Orders => Set<Order>();
+    /// <summary>
+    /// 订单明细。
+    /// </summary>
+    public DbSet<OrderItem> OrderItems => Set<OrderItem>();
+    /// <summary>
+    /// 订单状态流转。
+    /// </summary>
+    public DbSet<OrderStatusHistory> OrderStatusHistories => Set<OrderStatusHistory>();
+    /// <summary>
+    /// 退款申请。
+    /// </summary>
+    public DbSet<RefundRequest> RefundRequests => Set<RefundRequest>();
+    /// <summary>
+    /// 支付记录。
+    /// </summary>
+    public DbSet<PaymentRecord> PaymentRecords => Set<PaymentRecord>();
+    /// <summary>
+    /// 支付退款记录。
+    /// </summary>
+    public DbSet<PaymentRefundRecord> PaymentRefundRecords => Set<PaymentRefundRecord>();
+    /// <summary>
+    /// 预订记录。
+    /// </summary>
+    public DbSet<Reservation> Reservations => Set<Reservation>();
+    /// <summary>
+    /// 排号记录。
+    /// </summary>
+    public DbSet<QueueTicket> QueueTickets => Set<QueueTicket>();
+    /// <summary>
+    /// 配送订单。
+    /// </summary>
+    public DbSet<DeliveryOrder> DeliveryOrders => Set<DeliveryOrder>();
+    /// <summary>
+    /// 配送事件。
+    /// </summary>
+    public DbSet<DeliveryEvent> DeliveryEvents => Set<DeliveryEvent>();
+    /// <summary>
+    /// 团购订单。
+    /// </summary>
+    public DbSet<GroupOrder> GroupOrders => Set<GroupOrder>();
+    /// <summary>
+    /// 团购参与者。
+    /// </summary>
+    public DbSet<GroupParticipant> GroupParticipants => Set<GroupParticipant>();
+    /// <summary>
+    /// 优惠券模板。
+    /// </summary>
+    public DbSet<CouponTemplate> CouponTemplates => Set<CouponTemplate>();
+    /// <summary>
+    /// 优惠券实例。
+    /// </summary>
+    public DbSet<Coupon> Coupons => Set<Coupon>();
+    /// <summary>
+    /// 营销活动。
+    /// </summary>
+    public DbSet<PromotionCampaign> PromotionCampaigns => Set<PromotionCampaign>();
+    /// <summary>
+    /// 会员档案。
+    /// </summary>
+    public DbSet<MemberProfile> MemberProfiles => Set<MemberProfile>();
+    /// <summary>
+    /// 会员等级。
+    /// </summary>
+    public DbSet<MemberTier> MemberTiers => Set<MemberTier>();
+    /// <summary>
+    /// 积分流水。
+    /// </summary>
+    public DbSet<MemberPointLedger> MemberPointLedgers => Set<MemberPointLedger>();
+    /// <summary>
+    /// 会话记录。
+    /// </summary>
+    public DbSet<ChatSession> ChatSessions => Set<ChatSession>();
+    /// <summary>
+    /// 会话消息。
+    /// </summary>
+    public DbSet<ChatMessage> ChatMessages => Set<ChatMessage>();
+    /// <summary>
+    /// 工单记录。
+    /// </summary>
+    public DbSet<SupportTicket> SupportTickets => Set<SupportTicket>();
+    /// <summary>
+    /// 工单评论。
+    /// </summary>
+    public DbSet<TicketComment> TicketComments => Set<TicketComment>();
+    /// <summary>
+    /// 分销合作伙伴。
+    /// </summary>
+    public DbSet<AffiliatePartner> AffiliatePartners => Set<AffiliatePartner>();
+    /// <summary>
+    /// 分销订单。
+    /// </summary>
+    public DbSet<AffiliateOrder> AffiliateOrders => Set<AffiliateOrder>();
+    /// <summary>
+    /// 分销结算。
+    /// </summary>
+    public DbSet<AffiliatePayout> AffiliatePayouts => Set<AffiliatePayout>();
+    /// <summary>
+    /// 打卡活动。
+    /// </summary>
+    public DbSet<CheckInCampaign> CheckInCampaigns => Set<CheckInCampaign>();
+    /// <summary>
+    /// 打卡记录。
+    /// </summary>
+    public DbSet<CheckInRecord> CheckInRecords => Set<CheckInRecord>();
+    /// <summary>
+    /// 社区帖子。
+    /// </summary>
+    public DbSet<CommunityPost> CommunityPosts => Set<CommunityPost>();
+    /// <summary>
+    /// 社区评论。
+    /// </summary>
+    public DbSet<CommunityComment> CommunityComments => Set<CommunityComment>();
+    /// <summary>
+    /// 社区互动。
+    /// </summary>
+    public DbSet<CommunityReaction> CommunityReactions => Set<CommunityReaction>();
+    /// <summary>
+    /// 地图位置。
+    /// </summary>
+    public DbSet<MapLocation> MapLocations => Set<MapLocation>();
+    /// <summary>
+    /// 导航请求。
+    /// </summary>
+    public DbSet<NavigationRequest> NavigationRequests => Set<NavigationRequest>();
+    /// <summary>
+    /// 指标定义。
+    /// </summary>
+    public DbSet<MetricDefinition> MetricDefinitions => Set<MetricDefinition>();
+    /// <summary>
+    /// 指标快照。
+    /// </summary>
+    public DbSet<MetricSnapshot> MetricSnapshots => Set<MetricSnapshot>();
+    /// <summary>
+    /// 告警规则。
+    /// </summary>
+    public DbSet<MetricAlertRule> MetricAlertRules => Set<MetricAlertRule>();
+    /// <summary>
+    /// 配置实体映射关系。
+    /// </summary>
+    /// <param name="modelBuilder">模型构建器。</param>
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        // 1. 调用基类配置
+        base.OnModelCreating(modelBuilder);
+        // 2. 配置全部实体映射
+        ConfigureTenant(modelBuilder.Entity<Tenant>());
+        ConfigureMerchant(modelBuilder.Entity<Merchant>());
+        ConfigureStore(modelBuilder.Entity<Store>());
+        ConfigureTenantPackage(modelBuilder.Entity<TenantPackage>());
+        ConfigureTenantSubscription(modelBuilder.Entity<TenantSubscription>());
+        ConfigureTenantSubscriptionHistory(modelBuilder.Entity<TenantSubscriptionHistory>());
+        ConfigureTenantQuotaUsage(modelBuilder.Entity<TenantQuotaUsage>());
+        ConfigureTenantQuotaUsageHistory(modelBuilder.Entity<TenantQuotaUsageHistory>());
+        ConfigureTenantBilling(modelBuilder.Entity<TenantBillingStatement>());
+        ConfigureTenantPayment(modelBuilder.Entity<TenantPayment>());
+        ConfigureTenantNotification(modelBuilder.Entity<TenantNotification>());
+        ConfigureTenantAnnouncement(modelBuilder.Entity<TenantAnnouncement>());
+        ConfigureTenantAnnouncementRead(modelBuilder.Entity<TenantAnnouncementRead>());
+        ConfigureTenantVerificationProfile(modelBuilder.Entity<TenantVerificationProfile>());
+        ConfigureTenantVisibilityRoleRule(modelBuilder.Entity<TenantVisibilityRoleRule>());
+        ConfigureQuotaPackage(modelBuilder.Entity<QuotaPackage>());
+        ConfigureTenantQuotaPackagePurchase(modelBuilder.Entity<TenantQuotaPackagePurchase>());
+        ConfigureMerchantDocument(modelBuilder.Entity<MerchantDocument>());
+        ConfigureMerchantContract(modelBuilder.Entity<MerchantContract>());
+        ConfigureMerchantStaff(modelBuilder.Entity<MerchantStaff>());
+        ConfigureMerchantCategory(modelBuilder.Entity<MerchantCategory>());
+        ConfigureStoreFee(modelBuilder.Entity<StoreFee>());
+        ConfigureStoreQualification(modelBuilder.Entity<StoreQualification>());
+        ConfigureStoreAuditRecord(modelBuilder.Entity<StoreAuditRecord>());
+        ConfigureStoreBusinessHour(modelBuilder.Entity<StoreBusinessHour>());
+        ConfigureStoreHoliday(modelBuilder.Entity<StoreHoliday>());
+        ConfigureStoreDeliveryZone(modelBuilder.Entity<StoreDeliveryZone>());
+        ConfigureStoreTableArea(modelBuilder.Entity<StoreTableArea>());
+        ConfigureStoreTable(modelBuilder.Entity<StoreTable>());
+        ConfigureStoreEmployeeShift(modelBuilder.Entity<StoreEmployeeShift>());
+        ConfigureStorePickupSetting(modelBuilder.Entity<StorePickupSetting>());
+        ConfigureStorePickupSlot(modelBuilder.Entity<StorePickupSlot>());
+        ConfigureProductCategory(modelBuilder.Entity<ProductCategory>());
+        ConfigureProduct(modelBuilder.Entity<Product>());
+        ConfigureProductAttributeGroup(modelBuilder.Entity<ProductAttributeGroup>());
+        ConfigureProductAttributeOption(modelBuilder.Entity<ProductAttributeOption>());
+        ConfigureProductSku(modelBuilder.Entity<ProductSku>());
+        ConfigureProductAddonGroup(modelBuilder.Entity<ProductAddonGroup>());
+        ConfigureProductAddonOption(modelBuilder.Entity<ProductAddonOption>());
+        ConfigureProductPricingRule(modelBuilder.Entity<ProductPricingRule>());
+        ConfigureProductMediaAsset(modelBuilder.Entity<ProductMediaAsset>());
+        ConfigureInventoryItem(modelBuilder.Entity<InventoryItem>());
+        ConfigureInventoryAdjustment(modelBuilder.Entity<InventoryAdjustment>());
+        ConfigureInventoryBatch(modelBuilder.Entity<InventoryBatch>());
+        ConfigureInventoryLockRecord(modelBuilder.Entity<InventoryLockRecord>());
+        ConfigureShoppingCart(modelBuilder.Entity<ShoppingCart>());
+        ConfigureCartItem(modelBuilder.Entity<CartItem>());
+        ConfigureCartItemAddon(modelBuilder.Entity<CartItemAddon>());
+        ConfigureCheckoutSession(modelBuilder.Entity<CheckoutSession>());
+        ConfigureOrder(modelBuilder.Entity<Order>());
+        ConfigureOrderItem(modelBuilder.Entity<OrderItem>());
+        ConfigureOrderStatusHistory(modelBuilder.Entity<OrderStatusHistory>());
+        ConfigureRefundRequest(modelBuilder.Entity<RefundRequest>());
+        ConfigurePaymentRecord(modelBuilder.Entity<PaymentRecord>());
+        ConfigurePaymentRefundRecord(modelBuilder.Entity<PaymentRefundRecord>());
+        ConfigureReservation(modelBuilder.Entity<Reservation>());
+        ConfigureQueueTicket(modelBuilder.Entity<QueueTicket>());
+        ConfigureDelivery(modelBuilder.Entity<DeliveryOrder>());
+        ConfigureDeliveryEvent(modelBuilder.Entity<DeliveryEvent>());
+        ConfigureGroupOrder(modelBuilder.Entity<GroupOrder>());
+        ConfigureGroupParticipant(modelBuilder.Entity<GroupParticipant>());
+        ConfigureCouponTemplate(modelBuilder.Entity<CouponTemplate>());
+        ConfigureCoupon(modelBuilder.Entity<Coupon>());
+        ConfigurePromotionCampaign(modelBuilder.Entity<PromotionCampaign>());
+        ConfigureMemberProfile(modelBuilder.Entity<MemberProfile>());
+        ConfigureMemberTier(modelBuilder.Entity<MemberTier>());
+        ConfigureMemberPointLedger(modelBuilder.Entity<MemberPointLedger>());
+        ConfigureChatSession(modelBuilder.Entity<ChatSession>());
+        ConfigureChatMessage(modelBuilder.Entity<ChatMessage>());
+        ConfigureSupportTicket(modelBuilder.Entity<SupportTicket>());
+        ConfigureTicketComment(modelBuilder.Entity<TicketComment>());
+        ConfigureAffiliatePartner(modelBuilder.Entity<AffiliatePartner>());
+        ConfigureAffiliateOrder(modelBuilder.Entity<AffiliateOrder>());
+        ConfigureAffiliatePayout(modelBuilder.Entity<AffiliatePayout>());
+        ConfigureCheckInCampaign(modelBuilder.Entity<CheckInCampaign>());
+        ConfigureCheckInRecord(modelBuilder.Entity<CheckInRecord>());
+        ConfigureCommunityPost(modelBuilder.Entity<CommunityPost>());
+        ConfigureCommunityComment(modelBuilder.Entity<CommunityComment>());
+        ConfigureCommunityReaction(modelBuilder.Entity<CommunityReaction>());
+        ConfigureMapLocation(modelBuilder.Entity<MapLocation>());
+        ConfigureNavigationRequest(modelBuilder.Entity<NavigationRequest>());
+        ConfigureMetricDefinition(modelBuilder.Entity<MetricDefinition>());
+        ConfigureMetricSnapshot(modelBuilder.Entity<MetricSnapshot>());
+        ConfigureMetricAlertRule(modelBuilder.Entity<MetricAlertRule>());
+
+        // 3. 应用多租户全局查询过滤器
+        ApplyTenantQueryFilters(modelBuilder);
+    }
+
+    private static void ConfigureTenant(EntityTypeBuilder<Tenant> builder)
+    {
+        builder.ToTable("tenants");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Code).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.ShortName).HasMaxLength(64);
+        builder.Property(x => x.ContactName).HasMaxLength(64);
+        builder.Property(x => x.ContactPhone).HasMaxLength(32);
+        builder.Property(x => x.ContactEmail).HasMaxLength(128);
+        builder.Property(x => x.Industry).HasMaxLength(64);
+        builder.Property(x => x.LogoUrl).HasColumnType("text");
+        builder.Property(x => x.Remarks).HasMaxLength(512);
+        builder.Property(x => x.OperatingMode).HasConversion<int>();
+        builder.HasIndex(x => x.Code).IsUnique();
+        builder.HasIndex(x => x.ContactPhone).IsUnique();
+    }
+
+    private static void ConfigureTenantVerificationProfile(EntityTypeBuilder<TenantVerificationProfile> builder)
+    {
+        builder.ToTable("tenant_verification_profiles");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.BusinessLicenseNumber).HasMaxLength(64);
+        builder.Property(x => x.BusinessLicenseUrl).HasMaxLength(512);
+        builder.Property(x => x.LegalPersonName).HasMaxLength(64);
+        builder.Property(x => x.LegalPersonIdNumber).HasMaxLength(32);
+        builder.Property(x => x.LegalPersonIdFrontUrl).HasMaxLength(512);
+        builder.Property(x => x.LegalPersonIdBackUrl).HasMaxLength(512);
+        builder.Property(x => x.BankAccountName).HasMaxLength(128);
+        builder.Property(x => x.BankAccountNumber).HasMaxLength(64);
+        builder.Property(x => x.BankName).HasMaxLength(128);
+        builder.Property(x => x.ReviewRemarks).HasMaxLength(512);
+        builder.Property(x => x.ReviewedByName).HasMaxLength(64);
+        builder.HasIndex(x => x.TenantId).IsUnique();
+    }
+
+    // 租户订阅历史映射
+    private static void ConfigureTenantSubscriptionHistory(EntityTypeBuilder<TenantSubscriptionHistory> builder)
+    {
+        builder.ToTable("tenant_subscription_histories");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.TenantSubscriptionId).IsRequired();
+        builder.Property(x => x.Notes).HasMaxLength(512);
+        builder.Property(x => x.Currency).HasMaxLength(8);
+        builder.HasIndex(x => new { x.TenantId, x.TenantSubscriptionId });
+    }
+
+    private static void ConfigureMerchant(EntityTypeBuilder<Merchant> builder)
+    {
+        builder.ToTable("merchants");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.BrandName).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.BrandAlias).HasMaxLength(64);
+        builder.Property(x => x.LegalPerson).HasMaxLength(64);
+        builder.Property(x => x.BusinessLicenseNumber).HasMaxLength(64);
+        builder.Property(x => x.ContactPhone).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.ContactEmail).HasMaxLength(128);
+        builder.Property(x => x.Province).HasMaxLength(64);
+        builder.Property(x => x.City).HasMaxLength(64);
+        builder.Property(x => x.District).HasMaxLength(64);
+        builder.Property(x => x.Address).HasMaxLength(256);
+        builder.Property(x => x.ReviewRemarks).HasMaxLength(512);
+        builder.Property(x => x.OperatingMode).HasConversion<int>();
+        builder.Property(x => x.IsFrozen).HasDefaultValue(false);
+        builder.Property(x => x.FrozenReason).HasMaxLength(500);
+        builder.Property(x => x.ClaimedByName).HasMaxLength(100);
+        builder.Ignore(x => x.RowVersion);
+        builder.Property<uint>("xmin")
+            .HasColumnName("xmin")
+            .HasColumnType("xid")
+            .ValueGeneratedOnAddOrUpdate()
+            .IsConcurrencyToken();
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.Status });
+        builder.HasIndex(x => x.ClaimedBy);
+    }
+
+    private static void ConfigureStore(EntityTypeBuilder<Store> builder)
+    {
+        builder.ToTable("stores");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Code).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Phone).HasMaxLength(32);
+        builder.Property(x => x.ManagerName).HasMaxLength(64);
+        builder.Property(x => x.BusinessLicenseNumber).HasMaxLength(50);
+        builder.Property(x => x.LegalRepresentative).HasMaxLength(100);
+        builder.Property(x => x.RegisteredAddress).HasMaxLength(500);
+        builder.Property(x => x.BusinessLicenseImageUrl).HasMaxLength(500);
+        builder.Property(x => x.SignboardImageUrl).HasMaxLength(500);
+        builder.Property(x => x.OwnershipType).HasConversion<int>();
+        builder.Property(x => x.AuditStatus).HasConversion<int>();
+        builder.Property(x => x.BusinessStatus).HasConversion<int>();
+        builder.Property(x => x.ClosureReason).HasConversion<int?>();
+        builder.Property(x => x.ClosureReasonText).HasMaxLength(500);
+        builder.Property(x => x.RejectionReason).HasMaxLength(500);
+        builder.Property(x => x.ForceCloseReason).HasMaxLength(500);
+        builder.Property(x => x.Province).HasMaxLength(64);
+        builder.Property(x => x.City).HasMaxLength(64);
+        builder.Property(x => x.District).HasMaxLength(64);
+        builder.Property(x => x.Address).HasMaxLength(256);
+        builder.Property(x => x.BusinessHours).HasMaxLength(256);
+        builder.Property(x => x.Announcement).HasMaxLength(512);
+        builder.Property(x => x.DeliveryRadiusKm).HasPrecision(6, 2);
+        builder.HasIndex(x => new { x.TenantId, x.MerchantId });
+        builder.HasIndex(x => new { x.TenantId, x.Code }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.AuditStatus });
+        builder.HasIndex(x => new { x.TenantId, x.BusinessStatus });
+        builder.HasIndex(x => new { x.TenantId, x.OwnershipType });
+        builder.HasIndex(x => new { x.Longitude, x.Latitude })
+            .HasFilter("\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+        builder.HasIndex(x => new { x.MerchantId, x.BusinessLicenseNumber })
+            .IsUnique()
+            .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+    }
+
+    private static void ConfigureStoreFee(EntityTypeBuilder<StoreFee> builder)
+    {
+        builder.ToTable("store_fees");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.MinimumOrderAmount).HasPrecision(10, 2);
+        builder.Property(x => x.BaseDeliveryFee).HasPrecision(10, 2);
+        builder.Property(x => x.PackagingFeeMode).HasConversion<int>();
+        builder.Property(x => x.OrderPackagingFeeMode).HasConversion<int>();
+        builder.Property(x => x.FixedPackagingFee).HasPrecision(10, 2);
+        builder.Property(x => x.PackagingFeeTiersJson).HasColumnType("text");
+        builder.Property(x => x.FreeDeliveryThreshold).HasPrecision(10, 2);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId }).IsUnique();
+        builder.HasIndex(x => x.TenantId);
+    }
+
+    private static void ConfigureStoreQualification(EntityTypeBuilder<StoreQualification> builder)
+    {
+        builder.ToTable("store_qualifications");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.QualificationType).HasConversion<int>();
+        builder.Property(x => x.FileUrl).HasMaxLength(500).IsRequired();
+        builder.Property(x => x.DocumentNumber).HasMaxLength(100);
+        builder.Property(x => x.IssuedAt).HasColumnType("date");
+        builder.Property(x => x.ExpiresAt).HasColumnType("date");
+        builder.Property(x => x.SortOrder).HasDefaultValue(100);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+        builder.HasIndex(x => x.ExpiresAt)
+            .HasFilter("\"ExpiresAt\" IS NOT NULL");
+        builder.Ignore(x => x.IsExpired);
+        builder.Ignore(x => x.IsExpiringSoon);
+    }
+
+    private static void ConfigureStoreAuditRecord(EntityTypeBuilder<StoreAuditRecord> builder)
+    {
+        builder.ToTable("store_audit_records");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Action).HasConversion<int>();
+        builder.Property(x => x.PreviousStatus).HasConversion<int?>();
+        builder.Property(x => x.NewStatus).HasConversion<int>();
+        builder.Property(x => x.OperatorName).HasMaxLength(100).IsRequired();
+        builder.Property(x => x.RejectionReason).HasMaxLength(500);
+        builder.Property(x => x.Remarks).HasMaxLength(1000);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+        builder.HasIndex(x => x.CreatedAt);
+    }
+
+    private static void ConfigureProductCategory(EntityTypeBuilder<ProductCategory> builder)
+    {
+        builder.ToTable("product_categories");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+    }
+
+    private static void ConfigureProduct(EntityTypeBuilder<Product> builder)
+    {
+        builder.ToTable("products");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.SpuCode).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Subtitle).HasMaxLength(256);
+        builder.Property(x => x.Unit).HasMaxLength(16);
+        builder.Property(x => x.Price).HasPrecision(18, 2);
+        builder.Property(x => x.OriginalPrice).HasPrecision(18, 2);
+        builder.Property(x => x.CoverImage).HasMaxLength(256);
+        builder.Property(x => x.GalleryImages).HasMaxLength(1024);
+        builder.Property(x => x.Description).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+        builder.HasIndex(x => new { x.TenantId, x.SpuCode }).IsUnique();
+    }
+
+    private static void ConfigureOrder(EntityTypeBuilder<Order> builder)
+    {
+        builder.ToTable("orders");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.OrderNo).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.CustomerName).HasMaxLength(64);
+        builder.Property(x => x.CustomerPhone).HasMaxLength(32);
+        builder.Property(x => x.TableNo).HasMaxLength(32);
+        builder.Property(x => x.QueueNumber).HasMaxLength(32);
+        builder.Property(x => x.CancelReason).HasMaxLength(256);
+        builder.Property(x => x.Remark).HasMaxLength(512);
+        builder.Property(x => x.ItemsAmount).HasPrecision(18, 2);
+        builder.Property(x => x.DiscountAmount).HasPrecision(18, 2);
+        builder.Property(x => x.PayableAmount).HasPrecision(18, 2);
+        builder.Property(x => x.PaidAmount).HasPrecision(18, 2);
+        builder.HasIndex(x => new { x.TenantId, x.OrderNo }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Status });
+    }
+
+    private static void ConfigureOrderItem(EntityTypeBuilder<OrderItem> builder)
+    {
+        builder.ToTable("order_items");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ProductName).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.SkuName).HasMaxLength(128);
+        builder.Property(x => x.Unit).HasMaxLength(16);
+        builder.Property(x => x.UnitPrice).HasPrecision(18, 2);
+        builder.Property(x => x.DiscountAmount).HasPrecision(18, 2);
+        builder.Property(x => x.SubTotal).HasPrecision(18, 2);
+        builder.Property(x => x.AttributesJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.OrderId });
+        builder.HasOne<Order>()
+            .WithMany()
+            .HasForeignKey(x => x.OrderId)
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+
+    private static void ConfigurePaymentRecord(EntityTypeBuilder<PaymentRecord> builder)
+    {
+        builder.ToTable("payment_records");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Amount).HasPrecision(18, 2);
+        builder.Property(x => x.TradeNo).HasMaxLength(64);
+        builder.Property(x => x.ChannelTransactionId).HasMaxLength(64);
+        builder.Property(x => x.Remark).HasMaxLength(256);
+        builder.Property(x => x.Payload).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.OrderId });
+    }
+
+    private static void ConfigureReservation(EntityTypeBuilder<Reservation> builder)
+    {
+        builder.ToTable("reservations");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ReservationNo).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.CustomerName).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.CustomerPhone).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.TablePreference).HasMaxLength(64);
+        builder.Property(x => x.Remark).HasMaxLength(512);
+        builder.Property(x => x.CheckInCode).HasMaxLength(32);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+        builder.HasIndex(x => new { x.TenantId, x.ReservationNo }).IsUnique();
+    }
+
+    private static void ConfigureQueueTicket(EntityTypeBuilder<QueueTicket> builder)
+    {
+        builder.ToTable("queue_tickets");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TicketNumber).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Remark).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.TicketNumber }).IsUnique();
+    }
+
+    private static void ConfigureDelivery(EntityTypeBuilder<DeliveryOrder> builder)
+    {
+        builder.ToTable("delivery_orders");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ProviderOrderId).HasMaxLength(64);
+        builder.Property(x => x.DeliveryFee).HasPrecision(18, 2);
+        builder.Property(x => x.CourierName).HasMaxLength(64);
+        builder.Property(x => x.CourierPhone).HasMaxLength(32);
+        builder.Property(x => x.FailureReason).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.OrderId }).IsUnique();
+    }
+
+    private static void ConfigureTenantPackage(EntityTypeBuilder<TenantPackage> builder)
+    {
+        builder.ToTable("tenant_packages");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.FeaturePoliciesJson).HasColumnType("text");
+        builder.Property(x => x.PublishStatus)
+            .HasConversion<int>()
+            .HasDefaultValue(TenantPackagePublishStatus.Draft)
+            .HasSentinel((TenantPackagePublishStatus)(-1))
+            .HasComment("发布状态：0=草稿，1=已发布。");
+
+        // 1. 解决 EF Core 默认值哨兵问题：当我们希望插入 false/0 时，若数据库配置了 default 且 EF 认为该值是“未设置”，会导致 insert 省略列，最终落库为默认值。
+        // 2. 发布状态使用 -1 作为哨兵，避免 Draft=0 被误判为“未设置”而触发数据库默认值（发布/草稿切换必须可控）。
+        // 3. 将布尔开关哨兵值设置为数据库默认值：true 作为哨兵，false 才会被显式写入，从而保证“可见性/可售开关”在新增时可正确落库。
+        builder.Property(x => x.IsPublicVisible)
+            .HasDefaultValue(true)
+            .HasSentinel(true)
+            .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+        builder.Property(x => x.IsAllowNewTenantPurchase)
+            .HasDefaultValue(true)
+            .HasSentinel(true)
+            .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+        // 4. 展示配置：推荐标识与标签（用于套餐展示页/对比页）
+        builder.Property(x => x.IsRecommended)
+            .HasDefaultValue(false)
+            .HasComment("是否推荐展示（运营推荐标识）。");
+        builder.Property(x => x.Tags)
+            .HasColumnType("text[]")
+            .HasComment("套餐标签（用于展示与对比页）。");
+        builder.Property(x => x.SortOrder).HasDefaultValue(0).HasComment("展示排序，数值越小越靠前。");
+        builder.HasIndex(x => new { x.IsActive, x.SortOrder });
+        builder.HasIndex(x => new { x.PublishStatus, x.IsActive, x.IsPublicVisible, x.IsAllowNewTenantPurchase, x.SortOrder });
+    }
+
+    private static void ConfigureTenantSubscription(EntityTypeBuilder<TenantSubscription> builder)
+    {
+        builder.ToTable("tenant_subscriptions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantPackageId).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.TenantPackageId });
+    }
+
+    private static void ConfigureTenantQuotaUsage(EntityTypeBuilder<TenantQuotaUsage> builder)
+    {
+        builder.ToTable("tenant_quota_usages");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.QuotaType).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.QuotaType }).IsUnique();
+    }
+
+    private static void ConfigureTenantQuotaUsageHistory(EntityTypeBuilder<TenantQuotaUsageHistory> builder)
+    {
+        builder.ToTable("tenant_quota_usage_histories");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.QuotaType).HasConversion<int>();
+        builder.Property(x => x.ChangeType).HasConversion<int>();
+        builder.Property(x => x.ChangeReason).HasMaxLength(256);
+
+        builder.HasIndex(x => new { x.TenantId, x.QuotaType, x.RecordedAt });
+        builder.HasIndex(x => new { x.TenantId, x.RecordedAt });
+    }
+
+    private static void ConfigureTenantBilling(EntityTypeBuilder<TenantBillingStatement> builder)
+    {
+        new TenantBillingStatementConfiguration().Configure(builder);
+    }
+
+    private static void ConfigureTenantPayment(EntityTypeBuilder<TenantPayment> builder)
+    {
+        new TenantPaymentConfiguration().Configure(builder);
+    }
+
+    private static void ConfigureTenantNotification(EntityTypeBuilder<TenantNotification> builder)
+    {
+        builder.ToTable("tenant_notifications");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Title).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Message).HasMaxLength(1024).IsRequired();
+        builder.Property(x => x.Channel).HasConversion<int>();
+        builder.Property(x => x.Severity).HasConversion<int>();
+        builder.Property(x => x.MetadataJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.Channel, x.SentAt });
+    }
+
+    private static void ConfigureTenantVisibilityRoleRule(EntityTypeBuilder<TenantVisibilityRoleRule> builder)
+    {
+        builder.ToTable("tenant_visibility_role_rules");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.QuotaVisibleRoleCodes).HasColumnType("text[]");
+        builder.Property(x => x.BillingVisibleRoleCodes).HasColumnType("text[]");
+        builder.Property(x => x.UpdatedBy).IsRequired();
+        builder.Property(x => x.UpdatedAt).IsRequired();
+        builder.HasIndex(x => x.TenantId).IsUnique();
+    }
+
+    private static void ConfigureTenantAnnouncement(EntityTypeBuilder<TenantAnnouncement> builder)
+    {
+        builder.ToTable("tenant_announcements");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.Title).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Content).HasColumnType("text").IsRequired();
+        builder.Property(x => x.AnnouncementType)
+            .HasConversion<int>();
+        builder.Property(x => x.PublisherScope)
+            .HasConversion<int>();
+        builder.Property(x => x.PublisherUserId);
+        builder.Property(x => x.Status)
+            .HasConversion<int>();
+        builder.Property(x => x.PublishedAt);
+        builder.Property(x => x.RevokedAt);
+        builder.Property(x => x.ScheduledPublishAt);
+        builder.Property(x => x.TargetType).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.TargetParameters).HasColumnType("text");
+        builder.Property(x => x.Priority).IsRequired();
+        builder.Property<bool>("IsActive").IsRequired();
+        builder.Property(x => x.RowVersion)
+            .IsRowVersion()
+            .IsConcurrencyToken()
+            .HasColumnType("bytea");
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex("TenantId", "AnnouncementType", "IsActive");
+        builder.HasIndex(x => new { x.TenantId, x.EffectiveFrom, x.EffectiveTo });
+        builder.HasIndex(x => new { x.TenantId, x.Status, x.EffectiveFrom });
+        builder.HasIndex(x => new { x.Status, x.EffectiveFrom })
+            .HasFilter("\"TenantId\" = 0");
+    }
+
+    private static void ConfigureTenantAnnouncementRead(EntityTypeBuilder<TenantAnnouncementRead> builder)
+    {
+        builder.ToTable("tenant_announcement_reads");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.AnnouncementId).IsRequired();
+        builder.Property(x => x.UserId);
+        builder.Property(x => x.ReadAt).IsRequired();
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex(x => new { x.TenantId, x.AnnouncementId, x.UserId }).IsUnique();
+    }
+
+    private static void ConfigureMerchantDocument(EntityTypeBuilder<MerchantDocument> builder)
+    {
+        builder.ToTable("merchant_documents");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MerchantId).IsRequired();
+        builder.Property(x => x.DocumentType).HasConversion<int>();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.FileUrl).HasMaxLength(512).IsRequired();
+        builder.Property(x => x.DocumentNumber).HasMaxLength(64);
+        builder.HasIndex(x => new { x.TenantId, x.MerchantId, x.DocumentType });
+    }
+
+    private static void ConfigureMerchantContract(EntityTypeBuilder<MerchantContract> builder)
+    {
+        builder.ToTable("merchant_contracts");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MerchantId).IsRequired();
+        builder.Property(x => x.ContractNumber).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.FileUrl).HasMaxLength(512).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.TerminationReason).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.MerchantId, x.ContractNumber }).IsUnique();
+    }
+
+    private static void ConfigureMerchantStaff(EntityTypeBuilder<MerchantStaff> builder)
+    {
+        builder.ToTable("merchant_staff");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MerchantId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Phone).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Email).HasMaxLength(128);
+        builder.Property(x => x.RoleType).HasConversion<int>();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.PermissionsJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.MerchantId, x.Phone });
+    }
+
+    private static void ConfigureMerchantCategory(EntityTypeBuilder<MerchantCategory> builder)
+    {
+        builder.ToTable("merchant_categories");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.DisplayOrder).HasDefaultValue(0);
+        builder.Property(x => x.IsActive).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.Name }).IsUnique();
+    }
+
+    private static void ConfigureStoreBusinessHour(EntityTypeBuilder<StoreBusinessHour> builder)
+    {
+        builder.ToTable("store_business_hours");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.HourType).HasConversion<int>();
+        builder.Property(x => x.Notes).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.DayOfWeek });
+    }
+
+    private static void ConfigureStoreHoliday(EntityTypeBuilder<StoreHoliday> builder)
+    {
+        builder.ToTable("store_holidays");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Date).IsRequired();
+        builder.Property(x => x.EndDate);
+        builder.Property(x => x.IsAllDay).HasDefaultValue(true);
+        builder.Property(x => x.StartTime);
+        builder.Property(x => x.EndTime);
+        builder.Property(x => x.OverrideType).HasDefaultValue(OverrideType.Closed);
+        builder.Property(x => x.IsClosed).HasDefaultValue(true);
+        builder.Property(x => x.Reason).HasMaxLength(200);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Date });
+    }
+
+    private static void ConfigureStoreDeliveryZone(EntityTypeBuilder<StoreDeliveryZone> builder)
+    {
+        builder.ToTable("store_delivery_zones");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.ZoneName).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.PolygonGeoJson).HasColumnType("text").IsRequired();
+        builder.Property(x => x.MinimumOrderAmount).HasPrecision(18, 2);
+        builder.Property(x => x.DeliveryFee).HasPrecision(18, 2);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ZoneName });
+    }
+
+    private static void ConfigureStoreTableArea(EntityTypeBuilder<StoreTableArea> builder)
+    {
+        builder.ToTable("store_table_areas");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Name }).IsUnique();
+    }
+
+    private static void ConfigureStoreTable(EntityTypeBuilder<StoreTable> builder)
+    {
+        builder.ToTable("store_tables");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.TableCode).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Tags).HasMaxLength(128);
+        builder.Property(x => x.QrCodeUrl).HasMaxLength(512);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.TableCode }).IsUnique();
+    }
+
+    private static void ConfigureStoreEmployeeShift(EntityTypeBuilder<StoreEmployeeShift> builder)
+    {
+        builder.ToTable("store_employee_shifts");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.StaffId).IsRequired();
+        builder.Property(x => x.RoleType).HasConversion<int>();
+        builder.Property(x => x.Notes).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ShiftDate, x.StaffId }).IsUnique();
+    }
+
+    private static void ConfigureStorePickupSetting(EntityTypeBuilder<StorePickupSetting> builder)
+    {
+        builder.ToTable("store_pickup_settings");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.DefaultCutoffMinutes).HasDefaultValue(30);
+        builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId }).IsUnique();
+    }
+
+    private static void ConfigureStorePickupSlot(EntityTypeBuilder<StorePickupSlot> builder)
+    {
+        builder.ToTable("store_pickup_slots");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Weekdays).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.CutoffMinutes).HasDefaultValue(30);
+        builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Name });
+    }
+
+    private static void ConfigureProductAttributeGroup(EntityTypeBuilder<ProductAttributeGroup> builder)
+    {
+        builder.ToTable("product_attribute_groups");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.SelectionType).HasConversion<int>();
+        builder.Property(x => x.StoreId);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.Name });
+    }
+
+    private static void ConfigureProductAttributeOption(EntityTypeBuilder<ProductAttributeOption> builder)
+    {
+        builder.ToTable("product_attribute_options");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.AttributeGroupId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.ExtraPrice).HasPrecision(18, 2);
+        builder.HasIndex(x => new { x.TenantId, x.AttributeGroupId, x.Name }).IsUnique();
+    }
+
+    private static void ConfigureProductSku(EntityTypeBuilder<ProductSku> builder)
+    {
+        builder.ToTable("product_skus");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.Property(x => x.SkuCode).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Barcode).HasMaxLength(64);
+        builder.Property(x => x.Price).HasPrecision(18, 2);
+        builder.Property(x => x.OriginalPrice).HasPrecision(18, 2);
+        builder.Property(x => x.Weight).HasPrecision(10, 3);
+        builder.Property(x => x.AttributesJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.SkuCode }).IsUnique();
+    }
+
+    private static void ConfigureProductAddonGroup(EntityTypeBuilder<ProductAddonGroup> builder)
+    {
+        builder.ToTable("product_addon_groups");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.SelectionType).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.ProductId, x.Name });
+    }
+
+    private static void ConfigureProductAddonOption(EntityTypeBuilder<ProductAddonOption> builder)
+    {
+        builder.ToTable("product_addon_options");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.AddonGroupId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.ExtraPrice).HasPrecision(18, 2);
+    }
+
+    private static void ConfigureProductPricingRule(EntityTypeBuilder<ProductPricingRule> builder)
+    {
+        builder.ToTable("product_pricing_rules");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.Property(x => x.RuleType).HasConversion<int>();
+        builder.Property(x => x.ConditionsJson).HasColumnType("text").IsRequired();
+        builder.Property(x => x.Price).HasPrecision(18, 2);
+        builder.Property(x => x.WeekdaysJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.ProductId, x.RuleType });
+    }
+
+    private static void ConfigureProductMediaAsset(EntityTypeBuilder<ProductMediaAsset> builder)
+    {
+        builder.ToTable("product_media_assets");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.Property(x => x.MediaType).HasConversion<int>();
+        builder.Property(x => x.Url).HasMaxLength(512).IsRequired();
+        builder.Property(x => x.Caption).HasMaxLength(256);
+    }
+
+    private static void ConfigureInventoryItem(EntityTypeBuilder<InventoryItem> builder)
+    {
+        builder.ToTable("inventory_items");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.ProductSkuId).IsRequired();
+        builder.Property(x => x.BatchNumber).HasMaxLength(64);
+        builder.Property(x => x.Location).HasMaxLength(64);
+        builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ProductSkuId, x.BatchNumber });
+    }
+
+    private static void ConfigureInventoryAdjustment(EntityTypeBuilder<InventoryAdjustment> builder)
+    {
+        builder.ToTable("inventory_adjustments");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.InventoryItemId).IsRequired();
+        builder.Property(x => x.AdjustmentType).HasConversion<int>();
+        builder.Property(x => x.Reason).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.InventoryItemId, x.OccurredAt });
+    }
+
+    private static void ConfigureInventoryBatch(EntityTypeBuilder<InventoryBatch> builder)
+    {
+        builder.ToTable("inventory_batches");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.ProductSkuId).IsRequired();
+        builder.Property(x => x.BatchNumber).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ProductSkuId, x.BatchNumber }).IsUnique();
+    }
+
+    private static void ConfigureInventoryLockRecord(EntityTypeBuilder<InventoryLockRecord> builder)
+    {
+        builder.ToTable("inventory_lock_records");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.ProductSkuId).IsRequired();
+        builder.Property(x => x.Quantity).IsRequired();
+        builder.Property(x => x.IdempotencyKey).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+        builder.HasIndex(x => new { x.TenantId, x.IdempotencyKey }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.StoreId, x.ProductSkuId, x.Status });
+    }
+
+    private static void ConfigureShoppingCart(EntityTypeBuilder<ShoppingCart> builder)
+    {
+        builder.ToTable("shopping_carts");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.UserId).IsRequired();
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.TableContext).HasMaxLength(64);
+        builder.Property(x => x.DeliveryPreference).HasMaxLength(32);
+        builder.HasIndex(x => new { x.TenantId, x.UserId, x.StoreId }).IsUnique();
+    }
+
+    private static void ConfigureCartItem(EntityTypeBuilder<CartItem> builder)
+    {
+        builder.ToTable("cart_items");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ShoppingCartId).IsRequired();
+        builder.Property(x => x.ProductId).IsRequired();
+        builder.Property(x => x.ProductName).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.UnitPrice).HasPrecision(18, 2);
+        builder.Property(x => x.Remark).HasMaxLength(256);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.AttributesJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.ShoppingCartId });
+    }
+
+    private static void ConfigureCartItemAddon(EntityTypeBuilder<CartItemAddon> builder)
+    {
+        builder.ToTable("cart_item_addons");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.CartItemId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.ExtraPrice).HasPrecision(18, 2);
+    }
+
+    private static void ConfigureCheckoutSession(EntityTypeBuilder<CheckoutSession> builder)
+    {
+        builder.ToTable("checkout_sessions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.UserId).IsRequired();
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.SessionToken).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.ValidationResultJson).HasColumnType("text").IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.SessionToken }).IsUnique();
+    }
+
+    private static void ConfigureOrderStatusHistory(EntityTypeBuilder<OrderStatusHistory> builder)
+    {
+        builder.ToTable("order_status_histories");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.OrderId).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.Notes).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.OrderId, x.OccurredAt });
+    }
+
+    private static void ConfigureRefundRequest(EntityTypeBuilder<RefundRequest> builder)
+    {
+        builder.ToTable("refund_requests");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.OrderId).IsRequired();
+        builder.Property(x => x.RefundNo).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Amount).HasPrecision(18, 2);
+        builder.Property(x => x.Reason).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.ReviewNotes).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.RefundNo }).IsUnique();
+    }
+
+    private static void ConfigurePaymentRefundRecord(EntityTypeBuilder<PaymentRefundRecord> builder)
+    {
+        builder.ToTable("payment_refund_records");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.PaymentRecordId).IsRequired();
+        builder.Property(x => x.OrderId).IsRequired();
+        builder.Property(x => x.Amount).HasPrecision(18, 2);
+        builder.Property(x => x.ChannelRefundId).HasMaxLength(64);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.Payload).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.PaymentRecordId });
+    }
+
+    private static void ConfigureDeliveryEvent(EntityTypeBuilder<DeliveryEvent> builder)
+    {
+        builder.ToTable("delivery_events");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.DeliveryOrderId).IsRequired();
+        builder.Property(x => x.EventType).HasConversion<int>();
+        builder.Property(x => x.Message).HasMaxLength(256);
+        builder.Property(x => x.Payload).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.DeliveryOrderId, x.EventType });
+    }
+
+    private static void ConfigureGroupOrder(EntityTypeBuilder<GroupOrder> builder)
+    {
+        builder.ToTable("group_orders");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.GroupOrderNo).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.GroupPrice).HasPrecision(18, 2);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.GroupOrderNo }).IsUnique();
+    }
+
+    private static void ConfigureGroupParticipant(EntityTypeBuilder<GroupParticipant> builder)
+    {
+        builder.ToTable("group_participants");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.GroupOrderId).IsRequired();
+        builder.Property(x => x.OrderId).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.GroupOrderId, x.UserId }).IsUnique();
+    }
+
+    private static void ConfigureCouponTemplate(EntityTypeBuilder<CouponTemplate> builder)
+    {
+        builder.ToTable("coupon_templates");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.CouponType).HasConversion<int>();
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.TotalQuantity);
+        builder.Property(x => x.StoreScopeJson).HasColumnType("text");
+        builder.Property(x => x.ProductScopeJson).HasColumnType("text");
+        builder.Property(x => x.ChannelsJson).HasColumnType("text");
+        builder.Property(x => x.Status).HasConversion<int>();
+    }
+
+    private static void ConfigureCoupon(EntityTypeBuilder<Coupon> builder)
+    {
+        builder.ToTable("coupons");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.CouponTemplateId).IsRequired();
+        builder.Property(x => x.Code).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.Code }).IsUnique();
+    }
+
+    private static void ConfigurePromotionCampaign(EntityTypeBuilder<PromotionCampaign> builder)
+    {
+        builder.ToTable("promotion_campaigns");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.PromotionType).HasConversion<int>();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.RulesJson).HasColumnType("text").IsRequired();
+        builder.Property(x => x.AudienceDescription).HasMaxLength(512);
+        builder.Property(x => x.BannerUrl).HasMaxLength(512);
+    }
+
+    private static void ConfigureMemberProfile(EntityTypeBuilder<MemberProfile> builder)
+    {
+        builder.ToTable("member_profiles");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Mobile).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Nickname).HasMaxLength(64);
+        builder.Property(x => x.AvatarUrl).HasMaxLength(256);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.Mobile }).IsUnique();
+    }
+
+    private static void ConfigureMemberTier(EntityTypeBuilder<MemberTier> builder)
+    {
+        builder.ToTable("member_tiers");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.BenefitsJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.Name }).IsUnique();
+    }
+
+    private static void ConfigureMemberPointLedger(EntityTypeBuilder<MemberPointLedger> builder)
+    {
+        builder.ToTable("member_point_ledgers");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MemberId).IsRequired();
+        builder.Property(x => x.Reason).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.MemberId, x.OccurredAt });
+    }
+
+    private static void ConfigureChatSession(EntityTypeBuilder<ChatSession> builder)
+    {
+        builder.ToTable("chat_sessions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.SessionCode).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.SessionCode }).IsUnique();
+    }
+
+    private static void ConfigureChatMessage(EntityTypeBuilder<ChatMessage> builder)
+    {
+        builder.ToTable("chat_messages");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ChatSessionId).IsRequired();
+        builder.Property(x => x.SenderType).HasConversion<int>();
+        builder.Property(x => x.ContentType).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Content).HasMaxLength(1024).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.ChatSessionId, x.CreatedAt });
+    }
+
+    private static void ConfigureSupportTicket(EntityTypeBuilder<SupportTicket> builder)
+    {
+        builder.ToTable("support_tickets");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TicketNo).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Subject).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasColumnType("text").IsRequired();
+        builder.Property(x => x.Priority).HasConversion<int>();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.TicketNo }).IsUnique();
+    }
+
+    private static void ConfigureTicketComment(EntityTypeBuilder<TicketComment> builder)
+    {
+        builder.ToTable("ticket_comments");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.SupportTicketId).IsRequired();
+        builder.Property(x => x.Content).HasMaxLength(1024).IsRequired();
+        builder.Property(x => x.AttachmentsJson).HasColumnType("text");
+        builder.HasIndex(x => new { x.TenantId, x.SupportTicketId });
+    }
+
+    private static void ConfigureAffiliatePartner(EntityTypeBuilder<AffiliatePartner> builder)
+    {
+        builder.ToTable("affiliate_partners");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.DisplayName).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Phone).HasMaxLength(32);
+        builder.Property(x => x.ChannelType).HasConversion<int>();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.Remarks).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.DisplayName });
+    }
+
+    private static void ConfigureAffiliateOrder(EntityTypeBuilder<AffiliateOrder> builder)
+    {
+        builder.ToTable("affiliate_orders");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.AffiliatePartnerId).IsRequired();
+        builder.Property(x => x.OrderId).IsRequired();
+        builder.Property(x => x.OrderAmount).HasPrecision(18, 2);
+        builder.Property(x => x.EstimatedCommission).HasPrecision(18, 2);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.AffiliatePartnerId, x.OrderId }).IsUnique();
+    }
+
+    private static void ConfigureAffiliatePayout(EntityTypeBuilder<AffiliatePayout> builder)
+    {
+        builder.ToTable("affiliate_payouts");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.AffiliatePartnerId).IsRequired();
+        builder.Property(x => x.Period).HasMaxLength(32).IsRequired();
+        builder.Property(x => x.Amount).HasPrecision(18, 2);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.Remarks).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.AffiliatePartnerId, x.Period }).IsUnique();
+    }
+
+    private static void ConfigureCheckInCampaign(EntityTypeBuilder<CheckInCampaign> builder)
+    {
+        builder.ToTable("checkin_campaigns");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.RewardsJson).HasColumnType("text").IsRequired();
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.Name });
+    }
+
+    private static void ConfigureCheckInRecord(EntityTypeBuilder<CheckInRecord> builder)
+    {
+        builder.ToTable("checkin_records");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.CheckInCampaignId).IsRequired();
+        builder.Property(x => x.UserId).IsRequired();
+        builder.Property(x => x.RewardJson).HasColumnType("text").IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.CheckInCampaignId, x.UserId, x.CheckInDate }).IsUnique();
+    }
+
+    private static void ConfigureCommunityPost(EntityTypeBuilder<CommunityPost> builder)
+    {
+        builder.ToTable("community_posts");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.AuthorUserId).IsRequired();
+        builder.Property(x => x.Title).HasMaxLength(128);
+        builder.Property(x => x.Content).HasColumnType("text").IsRequired();
+        builder.Property(x => x.MediaJson).HasColumnType("text");
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.AuthorUserId, x.CreatedAt });
+    }
+
+    private static void ConfigureCommunityComment(EntityTypeBuilder<CommunityComment> builder)
+    {
+        builder.ToTable("community_comments");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.PostId).IsRequired();
+        builder.Property(x => x.Content).HasMaxLength(512).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.PostId, x.CreatedAt });
+    }
+
+    private static void ConfigureCommunityReaction(EntityTypeBuilder<CommunityReaction> builder)
+    {
+        builder.ToTable("community_reactions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.PostId).IsRequired();
+        builder.Property(x => x.ReactionType).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.PostId, x.UserId }).IsUnique();
+    }
+
+    private static void ConfigureMapLocation(EntityTypeBuilder<MapLocation> builder)
+    {
+        builder.ToTable("map_locations");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Address).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Landmark).HasMaxLength(128);
+        builder.HasIndex(x => new { x.TenantId, x.StoreId });
+    }
+
+    private static void ConfigureNavigationRequest(EntityTypeBuilder<NavigationRequest> builder)
+    {
+        builder.ToTable("navigation_requests");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.UserId).IsRequired();
+        builder.Property(x => x.StoreId).IsRequired();
+        builder.Property(x => x.Channel).HasConversion<int>();
+        builder.Property(x => x.TargetApp).HasConversion<int>();
+        builder.HasIndex(x => new { x.TenantId, x.UserId, x.StoreId, x.RequestedAt });
+    }
+
+    private static void ConfigureMetricDefinition(EntityTypeBuilder<MetricDefinition> builder)
+    {
+        builder.ToTable("metric_definitions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Code).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.DimensionsJson).HasColumnType("text");
+        builder.Property(x => x.DefaultAggregation).HasMaxLength(32).IsRequired();
+        builder.HasIndex(x => new { x.TenantId, x.Code }).IsUnique();
+    }
+
+    private static void ConfigureMetricSnapshot(EntityTypeBuilder<MetricSnapshot> builder)
+    {
+        builder.ToTable("metric_snapshots");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MetricDefinitionId).IsRequired();
+        builder.Property(x => x.DimensionKey).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Value).HasPrecision(18, 4);
+        builder.HasIndex(x => new { x.TenantId, x.MetricDefinitionId, x.DimensionKey, x.WindowStart, x.WindowEnd }).IsUnique();
+    }
+
+    private static void ConfigureMetricAlertRule(EntityTypeBuilder<MetricAlertRule> builder)
+    {
+        builder.ToTable("metric_alert_rules");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MetricDefinitionId).IsRequired();
+        builder.Property(x => x.ConditionJson).HasColumnType("text").IsRequired();
+        builder.Property(x => x.Severity).HasConversion<int>();
+        builder.Property(x => x.NotificationChannels).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.MetricDefinitionId, x.Severity });
+    }
+
+    private static void ConfigureQuotaPackage(EntityTypeBuilder<QuotaPackage> builder)
+    {
+        builder.ToTable("quota_packages");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.QuotaType).HasConversion<int>().IsRequired();
+        builder.Property(x => x.QuotaValue).HasPrecision(18, 2).IsRequired();
+        builder.Property(x => x.Price).HasPrecision(18, 2).IsRequired();
+        builder.Property(x => x.IsActive).IsRequired();
+        builder.Property(x => x.SortOrder).HasDefaultValue(0);
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.HasIndex(x => new { x.QuotaType, x.IsActive, x.SortOrder });
+    }
+
+    private static void ConfigureTenantQuotaPackagePurchase(EntityTypeBuilder<TenantQuotaPackagePurchase> builder)
+    {
+        builder.ToTable("tenant_quota_package_purchases");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.QuotaPackageId).IsRequired();
+        builder.Property(x => x.QuotaValue).HasPrecision(18, 2).IsRequired();
+        builder.Property(x => x.Price).HasPrecision(18, 2).IsRequired();
+        builder.Property(x => x.PurchasedAt).IsRequired();
+        builder.Property(x => x.Notes).HasMaxLength(512);
+        builder.HasIndex(x => new { x.TenantId, x.QuotaPackageId, x.PurchasedAt });
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDesignTimeDbContextFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDesignTimeDbContextFactory.cs
new file mode 100644
index 0000000..9146c16
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDesignTimeDbContextFactory.cs
@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Infrastructure.Common.Persistence.DesignTime;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.App.Persistence;
+
+/// <summary>
+/// 设计时工厂，供 EF CLI 使用。
+/// </summary>
+internal sealed class TakeoutAppDesignTimeDbContextFactory
+    : DesignTimeDbContextFactoryBase<TakeoutAppDbContext>
+{
+    /// <summary>
+    /// 初始化业务库设计时上下文工厂。
+    /// </summary>
+    public TakeoutAppDesignTimeDbContextFactory()
+        : base(DatabaseConstants.AppDataSource, "TAKEOUTSAAS_APP_CONNECTION")
+    {
+    }
+    // 创建设计时上下文
+    /// <summary>
+    /// 创建设计时的业务库 DbContext。
+    /// </summary>
+    /// <param name="options">上下文选项。</param>
+    /// <param name="tenantProvider">租户提供器。</param>
+    /// <param name="currentUserAccessor">当前用户访问器。</param>
+    /// <returns>业务库上下文实例。</returns>
+    protected override TakeoutAppDbContext CreateContext(
+        DbContextOptions<TakeoutAppDbContext> options,
+        ITenantProvider tenantProvider,
+        ICurrentUserAccessor currentUserAccessor)
+        => new(options, tenantProvider, currentUserAccessor);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs
new file mode 100644
index 0000000..3bc734d
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs
@@ -0,0 +1,117 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Deliveries.Entities;
+using TakeoutSaaS.Domain.Deliveries.Enums;
+using TakeoutSaaS.Domain.Deliveries.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 配送聚合的 EF Core 仓储实现。
+/// </summary>
+/// <remarks>
+/// 初始化仓储。
+/// </remarks>
+public sealed class EfDeliveryRepository(TakeoutAppDbContext context) : IDeliveryRepository
+{
+    /// <inheritdoc />
+    public Task<DeliveryOrder?> FindByIdAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.DeliveryOrders
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == deliveryOrderId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<DeliveryOrder?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.DeliveryOrders
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<DeliveryEvent>> GetEventsAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var events = await context.DeliveryEvents
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeliveryOrderId == deliveryOrderId)
+            .OrderBy(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return events;
+    }
+
+    /// <inheritdoc />
+    public Task AddDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default)
+    {
+        return context.DeliveryOrders.AddAsync(deliveryOrder, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddEventAsync(DeliveryEvent deliveryEvent, CancellationToken cancellationToken = default)
+    {
+        return context.DeliveryEvents.AddAsync(deliveryEvent, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<DeliveryOrder>> SearchAsync(long tenantId, DeliveryStatus? status, long? orderId, CancellationToken cancellationToken = default)
+    {
+        var query = context.DeliveryOrders
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        if (orderId.HasValue)
+        {
+            query = query.Where(x => x.OrderId == orderId.Value);
+        }
+
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task UpdateDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default)
+    {
+        context.DeliveryOrders.Update(deliveryOrder);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteDeliveryOrderAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var events = await context.DeliveryEvents
+            .Where(x => x.TenantId == tenantId && x.DeliveryOrderId == deliveryOrderId)
+            .ToListAsync(cancellationToken);
+
+        if (events.Count > 0)
+        {
+            context.DeliveryEvents.RemoveRange(events);
+        }
+
+        var existing = await context.DeliveryOrders
+            .Where(x => x.TenantId == tenantId && x.Id == deliveryOrderId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.DeliveryOrders.Remove(existing);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfInventoryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfInventoryRepository.cs
new file mode 100644
index 0000000..0cc6526
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfInventoryRepository.cs
@@ -0,0 +1,145 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Inventory.Entities;
+using TakeoutSaaS.Domain.Inventory.Enums;
+using TakeoutSaaS.Domain.Inventory.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 库存仓储 EF 实现。
+/// </summary>
+/// <remarks>
+/// 提供库存与批次的读写能力。
+/// </remarks>
+public sealed class EfInventoryRepository(TakeoutAppDbContext context) : IInventoryRepository
+{
+    /// <inheritdoc />
+    public Task<InventoryItem?> FindByIdAsync(long inventoryItemId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryItems
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == inventoryItemId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<InventoryItem?> FindBySkuAsync(long tenantId, long storeId, long productSkuId, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryItems
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId && x.ProductSkuId == productSkuId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<InventoryItem?> GetForUpdateAsync(long tenantId, long storeId, long productSkuId, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryItems
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId && x.ProductSkuId == productSkuId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddItemAsync(InventoryItem item, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryItems.AddAsync(item, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateItemAsync(InventoryItem item, CancellationToken cancellationToken = default)
+    {
+        context.InventoryItems.Update(item);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task AddAdjustmentAsync(InventoryAdjustment adjustment, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryAdjustments.AddAsync(adjustment, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddLockAsync(InventoryLockRecord lockRecord, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryLockRecords.AddAsync(lockRecord, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task<InventoryLockRecord?> FindLockByKeyAsync(long tenantId, string idempotencyKey, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryLockRecords
+            .Where(x => x.TenantId == tenantId && x.IdempotencyKey == idempotencyKey)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task MarkLockStatusAsync(InventoryLockRecord lockRecord, InventoryLockStatus status, CancellationToken cancellationToken = default)
+    {
+        lockRecord.Status = status;
+        context.InventoryLockRecords.Update(lockRecord);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<InventoryLockRecord>> FindExpiredLocksAsync(long tenantId, DateTime utcNow, CancellationToken cancellationToken = default)
+    {
+        var locks = await context.InventoryLockRecords
+            .Where(x => x.TenantId == tenantId && x.Status == InventoryLockStatus.Locked && x.ExpiresAt != null && x.ExpiresAt <= utcNow)
+            .ToListAsync(cancellationToken);
+        return locks;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<InventoryBatch>> GetBatchesForConsumeAsync(long tenantId, long storeId, long productSkuId, InventoryBatchConsumeStrategy strategy, CancellationToken cancellationToken = default)
+    {
+        var query = context.InventoryBatches
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId && x.ProductSkuId == productSkuId);
+
+        query = strategy == InventoryBatchConsumeStrategy.Fefo
+            ? query.OrderBy(x => x.ExpireDate ?? DateTime.MaxValue).ThenBy(x => x.BatchNumber)
+            : query.OrderBy(x => x.BatchNumber);
+
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<InventoryBatch>> GetBatchesAsync(long tenantId, long storeId, long productSkuId, CancellationToken cancellationToken = default)
+    {
+        var batches = await context.InventoryBatches
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId && x.ProductSkuId == productSkuId)
+            .OrderBy(x => x.ExpireDate ?? DateTime.MaxValue)
+            .ThenBy(x => x.BatchNumber)
+            .ToListAsync(cancellationToken);
+
+        return batches;
+    }
+
+    /// <inheritdoc />
+    public Task<InventoryBatch?> GetBatchForUpdateAsync(long tenantId, long storeId, long productSkuId, string batchNumber, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryBatches
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId && x.ProductSkuId == productSkuId && x.BatchNumber == batchNumber)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddBatchAsync(InventoryBatch batch, CancellationToken cancellationToken = default)
+    {
+        return context.InventoryBatches.AddAsync(batch, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateBatchAsync(InventoryBatch batch, CancellationToken cancellationToken = default)
+    {
+        context.InventoryBatches.Update(batch);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs
new file mode 100644
index 0000000..f832908
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs
@@ -0,0 +1,66 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 商户类目的 EF Core 仓储实现。
+/// </summary>
+public sealed class EfMerchantCategoryRepository(TakeoutAppDbContext context)
+    : IMerchantCategoryRepository
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantCategory>> ListAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        var items = await context.MerchantCategories
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId)
+            .OrderBy(x => x.DisplayOrder)
+            .ThenBy(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return items;
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsAsync(string name, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantCategories.AnyAsync(
+            x => x.TenantId == tenantId && x.Name == name, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<MerchantCategory?> FindByIdAsync(long id, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantCategories
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.Id == id, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(MerchantCategory category, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantCategories.AddAsync(category, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task RemoveAsync(MerchantCategory category, CancellationToken cancellationToken = default)
+    {
+        context.MerchantCategories.Remove(category);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task UpdateRangeAsync(IEnumerable<MerchantCategory> categories, CancellationToken cancellationToken = default)
+    {
+        context.MerchantCategories.UpdateRange(categories);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs
new file mode 100644
index 0000000..03e14da
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs
@@ -0,0 +1,288 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Common.Enums;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 商户聚合的 EF Core 仓储实现。
+/// </summary>
+/// <remarks>
+/// 初始化仓储。
+/// </remarks>
+public sealed class EfMerchantRepository(TakeoutAppDbContext context, TakeoutLogsDbContext logsContext) : IMerchantRepository
+{
+    /// <inheritdoc />
+    public Task<Merchant?> FindByIdAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.Merchants
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == merchantId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<Merchant?> GetForUpdateAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.Merchants
+            .Where(x => x.TenantId == tenantId && x.Id == merchantId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<Merchant>> SearchAsync(long tenantId, MerchantStatus? status, CancellationToken cancellationToken = default)
+    {
+        var query = context.Merchants
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantStaff>> GetStaffAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var staffs = await context.MerchantStaff
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId)
+            .OrderBy(x => x.Name)
+            .ToListAsync(cancellationToken);
+
+        return staffs;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantStaff>> GetStaffByStoreAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var staffs = await context.MerchantStaff
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
+            .OrderBy(x => x.Name)
+            .ToListAsync(cancellationToken);
+
+        return staffs;
+    }
+
+    /// <inheritdoc />
+    public Task<MerchantStaff?> FindStaffByIdAsync(long staffId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantStaff
+            .Where(x => x.TenantId == tenantId && x.Id == staffId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantContract>> GetContractsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var contracts = await context.MerchantContracts
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId)
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return contracts;
+    }
+
+    /// <inheritdoc />
+    public Task<MerchantContract?> FindContractByIdAsync(long merchantId, long tenantId, long contractId, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantContracts
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId && x.Id == contractId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantDocument>> GetDocumentsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var documents = await context.MerchantDocuments
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId)
+            .OrderBy(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return documents;
+    }
+
+    /// <inheritdoc />
+    public Task<MerchantDocument?> FindDocumentByIdAsync(long merchantId, long tenantId, long documentId, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantDocuments
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId && x.Id == documentId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddMerchantAsync(Merchant merchant, CancellationToken cancellationToken = default)
+    {
+        return context.Merchants.AddAsync(merchant, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddStaffAsync(MerchantStaff staff, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantStaff.AddAsync(staff, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddContractAsync(MerchantContract contract, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantContracts.AddAsync(contract, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateContractAsync(MerchantContract contract, CancellationToken cancellationToken = default)
+    {
+        context.MerchantContracts.Update(contract);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task AddDocumentAsync(MerchantDocument document, CancellationToken cancellationToken = default)
+    {
+        return context.MerchantDocuments.AddAsync(document, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateDocumentAsync(MerchantDocument document, CancellationToken cancellationToken = default)
+    {
+        context.MerchantDocuments.Update(document);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 保存业务库变更
+        await context.SaveChangesAsync(cancellationToken);
+
+        // 2. 保存日志库变更
+        await logsContext.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task UpdateMerchantAsync(Merchant merchant, CancellationToken cancellationToken = default)
+    {
+        context.Merchants.Update(merchant);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteMerchantAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var existing = await context.Merchants
+            .Where(x => x.TenantId == tenantId && x.Id == merchantId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.Merchants.Remove(existing);
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteStaffAsync(long staffId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var existing = await context.MerchantStaff
+            .Where(x => x.TenantId == tenantId && x.Id == staffId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.MerchantStaff.Remove(existing);
+    }
+
+    /// <inheritdoc />
+    public Task AddAuditLogAsync(MerchantAuditLog log, CancellationToken cancellationToken = default)
+    {
+        return logsContext.MerchantAuditLogs.AddAsync(log, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantAuditLog>> GetAuditLogsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return await logsContext.MerchantAuditLogs
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId)
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<Merchant>> SearchAsync(
+        long tenantId,
+        MerchantStatus? status,
+        OperatingMode? operatingMode,
+        string? keyword,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.Merchants
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId)
+            .AsQueryable();
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        if (operatingMode.HasValue)
+        {
+            query = query.Where(x => x.OperatingMode == operatingMode.Value);
+        }
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x =>
+                EF.Functions.ILike(x.BrandName, $"%{normalized}%") ||
+                EF.Functions.ILike(x.BusinessLicenseNumber ?? string.Empty, $"%{normalized}%"));
+        }
+
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddChangeLogAsync(MerchantChangeLog log, CancellationToken cancellationToken = default)
+    {
+        return logsContext.MerchantChangeLogs.AddAsync(log, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MerchantChangeLog>> GetChangeLogsAsync(
+        long merchantId,
+        long tenantId,
+        string? fieldName = null,
+        CancellationToken cancellationToken = default)
+    {
+        var query = logsContext.MerchantChangeLogs
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId);
+
+        if (!string.IsNullOrWhiteSpace(fieldName))
+        {
+            query = query.Where(x => x.FieldName == fieldName);
+        }
+
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs
new file mode 100644
index 0000000..ba663d4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs
@@ -0,0 +1,170 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Orders.Enums;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 订单聚合的 EF Core 仓储实现。
+/// </summary>
+/// <remarks>
+/// 初始化仓储。
+/// </remarks>
+public sealed class EfOrderRepository(TakeoutAppDbContext context) : IOrderRepository
+{
+    /// <inheritdoc />
+    public Task<Order?> FindByIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.Orders
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == orderId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<Order?> FindByOrderNoAsync(string orderNo, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.Orders
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.OrderNo == orderNo)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<Order>> SearchAsync(long tenantId, OrderStatus? status, PaymentStatus? paymentStatus, CancellationToken cancellationToken = default)
+    {
+        var query = context.Orders
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        if (paymentStatus.HasValue)
+        {
+            query = query.Where(x => x.PaymentStatus == paymentStatus.Value);
+        }
+
+        var orders = await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return orders;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<OrderItem>> GetItemsAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var items = await context.OrderItems
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .OrderBy(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+        return items;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<OrderStatusHistory>> GetStatusHistoryAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var histories = await context.OrderStatusHistories
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .OrderBy(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return histories;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<RefundRequest>> GetRefundsAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var refunds = await context.RefundRequests
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return refunds;
+    }
+
+    /// <inheritdoc />
+    public Task AddOrderAsync(Order order, CancellationToken cancellationToken = default)
+    {
+        return context.Orders.AddAsync(order, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddItemsAsync(IEnumerable<OrderItem> items, CancellationToken cancellationToken = default)
+    {
+        return context.OrderItems.AddRangeAsync(items, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddStatusHistoryAsync(OrderStatusHistory history, CancellationToken cancellationToken = default)
+    {
+        return context.OrderStatusHistories.AddAsync(history, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddRefundAsync(RefundRequest refund, CancellationToken cancellationToken = default)
+    {
+        return context.RefundRequests.AddAsync(refund, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task UpdateOrderAsync(Order order, CancellationToken cancellationToken = default)
+    {
+        context.Orders.Update(order);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteOrderAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var items = await context.OrderItems
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .ToListAsync(cancellationToken);
+        if (items.Count > 0)
+        {
+            context.OrderItems.RemoveRange(items);
+        }
+
+        var histories = await context.OrderStatusHistories
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .ToListAsync(cancellationToken);
+        if (histories.Count > 0)
+        {
+            context.OrderStatusHistories.RemoveRange(histories);
+        }
+
+        var refunds = await context.RefundRequests
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .ToListAsync(cancellationToken);
+        if (refunds.Count > 0)
+        {
+            context.RefundRequests.RemoveRange(refunds);
+        }
+
+        var existing = await context.Orders
+            .Where(x => x.TenantId == tenantId && x.Id == orderId)
+            .FirstOrDefaultAsync(cancellationToken);
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.Orders.Remove(existing);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs
new file mode 100644
index 0000000..1b6ea8d
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs
@@ -0,0 +1,110 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Payments.Entities;
+using TakeoutSaaS.Domain.Payments.Enums;
+using TakeoutSaaS.Domain.Payments.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 支付记录的 EF Core 仓储实现。
+/// </summary>
+/// <remarks>
+/// 初始化仓储。
+/// </remarks>
+public sealed class EfPaymentRepository(TakeoutAppDbContext context) : IPaymentRepository
+{
+    /// <inheritdoc />
+    public Task<PaymentRecord?> FindByIdAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.PaymentRecords
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == paymentId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<PaymentRecord?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.PaymentRecords
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.OrderId == orderId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<PaymentRefundRecord>> GetRefundsAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var refunds = await context.PaymentRefundRecords
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.PaymentRecordId == paymentId)
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+
+        return refunds;
+    }
+
+    /// <inheritdoc />
+    public Task AddPaymentAsync(PaymentRecord payment, CancellationToken cancellationToken = default)
+    {
+        return context.PaymentRecords.AddAsync(payment, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddRefundAsync(PaymentRefundRecord refund, CancellationToken cancellationToken = default)
+    {
+        return context.PaymentRefundRecords.AddAsync(refund, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<PaymentRecord>> SearchAsync(long tenantId, PaymentStatus? status, CancellationToken cancellationToken = default)
+    {
+        var query = context.PaymentRecords
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task UpdatePaymentAsync(PaymentRecord payment, CancellationToken cancellationToken = default)
+    {
+        context.PaymentRecords.Update(payment);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeletePaymentAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var refunds = await context.PaymentRefundRecords
+            .Where(x => x.TenantId == tenantId && x.PaymentRecordId == paymentId)
+            .ToListAsync(cancellationToken);
+        if (refunds.Count > 0)
+        {
+            context.PaymentRefundRecords.RemoveRange(refunds);
+        }
+
+        var existing = await context.PaymentRecords
+            .Where(x => x.TenantId == tenantId && x.Id == paymentId)
+            .FirstOrDefaultAsync(cancellationToken);
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.PaymentRecords.Remove(existing);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs
new file mode 100644
index 0000000..5b49b68
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs
@@ -0,0 +1,511 @@
+using System;
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Products.Entities;
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Domain.Products.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 商品聚合的 EF Core 仓储实现。
+/// </summary>
+/// <remarks>
+/// 初始化仓储。
+/// </remarks>
+public sealed class EfProductRepository(TakeoutAppDbContext context) : IProductRepository
+{
+    /// <inheritdoc />
+    public Task<Product?> FindByIdAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.Products
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == productId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<Product>> SearchAsync(long tenantId, long? storeId, long? categoryId, ProductStatus? status, CancellationToken cancellationToken = default, DateTime? updatedAfter = null)
+    {
+        var query = context.Products
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (storeId.HasValue)
+        {
+            query = query.Where(x => x.StoreId == storeId.Value);
+        }
+
+        if (categoryId.HasValue)
+        {
+            query = query.Where(x => x.CategoryId == categoryId.Value);
+        }
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        if (updatedAfter.HasValue)
+        {
+            query = query.Where(x => (x.UpdatedAt ?? x.CreatedAt) >= updatedAfter.Value);
+        }
+
+        var products = await query
+            .OrderBy(x => x.Name)
+            .ToListAsync(cancellationToken);
+
+        return products;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductCategory>> GetCategoriesAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        var categories = await context.ProductCategories
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId)
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return categories;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductCategory>> GetCategoriesByStoreAsync(long tenantId, long storeId, bool onlyEnabled = true, CancellationToken cancellationToken = default)
+    {
+        var query = context.ProductCategories
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId);
+        if (onlyEnabled)
+        {
+            query = query.Where(x => x.IsEnabled);
+        }
+        var categories = await query
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return categories;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSku>> GetSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var skus = await context.ProductSkus
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return skus;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductSku>> GetSkusByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (productIds.Count == 0)
+        {
+            return Array.Empty<ProductSku>();
+        }
+        var skus = await context.ProductSkus
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && productIds.Contains(x.ProductId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return skus;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAddonGroup>> GetAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var groups = await context.ProductAddonGroups
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return groups;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAddonGroup>> GetAddonGroupsByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (productIds.Count == 0)
+        {
+            return Array.Empty<ProductAddonGroup>();
+        }
+        var groups = await context.ProductAddonGroups
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && productIds.Contains(x.ProductId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return groups;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAddonOption>> GetAddonOptionsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var groupIds = await context.ProductAddonGroups
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+        if (groupIds.Count == 0)
+        {
+            return Array.Empty<ProductAddonOption>();
+        }
+
+        var options = await context.ProductAddonOptions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && groupIds.Contains(x.AddonGroupId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return options;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAddonOption>> GetAddonOptionsByGroupIdsAsync(IReadOnlyCollection<long> addonGroupIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (addonGroupIds.Count == 0)
+        {
+            return Array.Empty<ProductAddonOption>();
+        }
+        var options = await context.ProductAddonOptions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && addonGroupIds.Contains(x.AddonGroupId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return options;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAttributeGroup>> GetAttributeGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var groups = await context.ProductAttributeGroups
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return groups;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAttributeGroup>> GetAttributeGroupsByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (productIds.Count == 0)
+        {
+            return Array.Empty<ProductAttributeGroup>();
+        }
+        var groups = await context.ProductAttributeGroups
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && productIds.Contains(x.ProductId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return groups;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAttributeOption>> GetAttributeOptionsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var groupIds = await context.ProductAttributeGroups
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+        if (groupIds.Count == 0)
+        {
+            return Array.Empty<ProductAttributeOption>();
+        }
+
+        var options = await context.ProductAttributeOptions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && groupIds.Contains(x.AttributeGroupId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return options;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductAttributeOption>> GetAttributeOptionsByGroupIdsAsync(IReadOnlyCollection<long> attributeGroupIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (attributeGroupIds.Count == 0)
+        {
+            return Array.Empty<ProductAttributeOption>();
+        }
+        var options = await context.ProductAttributeOptions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && attributeGroupIds.Contains(x.AttributeGroupId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return options;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductMediaAsset>> GetMediaAssetsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var assets = await context.ProductMediaAssets
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return assets;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductMediaAsset>> GetMediaAssetsByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (productIds.Count == 0)
+        {
+            return Array.Empty<ProductMediaAsset>();
+        }
+        var assets = await context.ProductMediaAssets
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && productIds.Contains(x.ProductId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return assets;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductPricingRule>> GetPricingRulesAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var rules = await context.ProductPricingRules
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return rules;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ProductPricingRule>> GetPricingRulesByProductIdsAsync(IReadOnlyCollection<long> productIds, long tenantId, CancellationToken cancellationToken = default)
+    {
+        if (productIds.Count == 0)
+        {
+            return Array.Empty<ProductPricingRule>();
+        }
+        var rules = await context.ProductPricingRules
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && productIds.Contains(x.ProductId))
+            .OrderBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+        return rules;
+    }
+
+    /// <inheritdoc />
+    public Task AddCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default)
+    {
+        return context.ProductCategories.AddAsync(category, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddProductAsync(Product product, CancellationToken cancellationToken = default)
+    {
+        return context.Products.AddAsync(product, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task AddSkusAsync(IEnumerable<ProductSku> skus, CancellationToken cancellationToken = default)
+    {
+        return context.ProductSkus.AddRangeAsync(skus, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAddonGroupsAsync(IEnumerable<ProductAddonGroup> groups, IEnumerable<ProductAddonOption> options, CancellationToken cancellationToken = default)
+    {
+        var addGroupsTask = context.ProductAddonGroups.AddRangeAsync(groups, cancellationToken);
+        var addOptionsTask = context.ProductAddonOptions.AddRangeAsync(options, cancellationToken);
+        return Task.WhenAll(addGroupsTask, addOptionsTask);
+    }
+
+    /// <inheritdoc />
+    public Task AddAttributeGroupsAsync(IEnumerable<ProductAttributeGroup> groups, IEnumerable<ProductAttributeOption> options, CancellationToken cancellationToken = default)
+    {
+        var addGroupsTask = context.ProductAttributeGroups.AddRangeAsync(groups, cancellationToken);
+        var addOptionsTask = context.ProductAttributeOptions.AddRangeAsync(options, cancellationToken);
+        return Task.WhenAll(addGroupsTask, addOptionsTask);
+    }
+
+    /// <inheritdoc />
+    public Task AddMediaAssetsAsync(IEnumerable<ProductMediaAsset> assets, CancellationToken cancellationToken = default)
+    {
+        return context.ProductMediaAssets.AddRangeAsync(assets, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddPricingRulesAsync(IEnumerable<ProductPricingRule> rules, CancellationToken cancellationToken = default)
+    {
+        return context.ProductPricingRules.AddRangeAsync(rules, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task UpdateProductAsync(Product product, CancellationToken cancellationToken = default)
+    {
+        context.Products.Update(product);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteProductAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        await RemovePricingRulesAsync(productId, tenantId, cancellationToken);
+        await RemoveMediaAssetsAsync(productId, tenantId, cancellationToken);
+        await RemoveAttributeGroupsAsync(productId, tenantId, cancellationToken);
+        await RemoveAddonGroupsAsync(productId, tenantId, cancellationToken);
+        await RemoveSkusAsync(productId, tenantId, cancellationToken);
+
+        var existing = await context.Products
+            .Where(x => x.TenantId == tenantId && x.Id == productId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.Products.Remove(existing);
+    }
+
+    /// <inheritdoc />
+    public Task UpdateCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default)
+    {
+        context.ProductCategories.Update(category);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteCategoryAsync(long categoryId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var existing = await context.ProductCategories
+            .Where(x => x.TenantId == tenantId && x.Id == categoryId)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (existing == null)
+        {
+            return;
+        }
+
+        context.ProductCategories.Remove(existing);
+    }
+
+    /// <inheritdoc />
+    public async Task RemoveSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var skus = await context.ProductSkus
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .ToListAsync(cancellationToken);
+
+        if (skus.Count == 0)
+        {
+            return;
+        }
+
+        context.ProductSkus.RemoveRange(skus);
+    }
+
+    /// <inheritdoc />
+    public async Task RemoveAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var groupIds = await context.ProductAddonGroups
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+        if (groupIds.Count == 0)
+        {
+            return;
+        }
+
+        var options = await context.ProductAddonOptions
+            .Where(x => x.TenantId == tenantId && groupIds.Contains(x.AddonGroupId))
+            .ToListAsync(cancellationToken);
+
+        if (options.Count > 0)
+        {
+            context.ProductAddonOptions.RemoveRange(options);
+        }
+
+        var groups = await context.ProductAddonGroups
+            .Where(x => groupIds.Contains(x.Id))
+            .ToListAsync(cancellationToken);
+
+        if (groups.Count > 0)
+        {
+            context.ProductAddonGroups.RemoveRange(groups);
+        }
+    }
+
+    /// <inheritdoc />
+    public async Task RemoveAttributeGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var groupIds = await context.ProductAttributeGroups
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+        if (groupIds.Count == 0)
+        {
+            return;
+        }
+
+        var options = await context.ProductAttributeOptions
+            .Where(x => x.TenantId == tenantId && groupIds.Contains(x.AttributeGroupId))
+            .ToListAsync(cancellationToken);
+
+        if (options.Count > 0)
+        {
+            context.ProductAttributeOptions.RemoveRange(options);
+        }
+
+        var groups = await context.ProductAttributeGroups
+            .Where(x => groupIds.Contains(x.Id))
+            .ToListAsync(cancellationToken);
+
+        if (groups.Count > 0)
+        {
+            context.ProductAttributeGroups.RemoveRange(groups);
+        }
+    }
+
+    /// <inheritdoc />
+    public async Task RemoveMediaAssetsAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var assets = await context.ProductMediaAssets
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .ToListAsync(cancellationToken);
+
+        if (assets.Count == 0)
+        {
+            return;
+        }
+
+        context.ProductMediaAssets.RemoveRange(assets);
+    }
+
+    /// <inheritdoc />
+    public async Task RemovePricingRulesAsync(long productId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        var rules = await context.ProductPricingRules
+            .Where(x => x.TenantId == tenantId && x.ProductId == productId)
+            .ToListAsync(cancellationToken);
+
+        if (rules.Count == 0)
+        {
+            return;
+        }
+
+        context.ProductPricingRules.RemoveRange(rules);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfQuotaPackageRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfQuotaPackageRepository.cs
new file mode 100644
index 0000000..1299a31
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfQuotaPackageRepository.cs
@@ -0,0 +1,166 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// EF 配额包仓储实现。
+/// </summary>
+public sealed class EfQuotaPackageRepository(TakeoutAppDbContext context) : IQuotaPackageRepository
+{
+    #region 配额包定义
+
+    /// <inheritdoc />
+    public Task<QuotaPackage?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
+    {
+        return context.QuotaPackages
+            .FirstOrDefaultAsync(x => x.Id == id && x.DeletedAt == null, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<QuotaPackage> Items, int Total)> SearchPagedAsync(
+        TenantQuotaType? quotaType,
+        bool? isActive,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.QuotaPackages.AsNoTracking()
+            .Where(x => x.DeletedAt == null);
+
+        if (quotaType.HasValue)
+        {
+            query = query.Where(x => x.QuotaType == quotaType.Value);
+        }
+
+        if (isActive.HasValue)
+        {
+            query = query.Where(x => x.IsActive == isActive.Value);
+        }
+
+        var total = await query.CountAsync(cancellationToken);
+
+        var items = await query
+            .OrderBy(x => x.SortOrder)
+            .ThenBy(x => x.CreatedAt)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync(cancellationToken);
+
+        return (items, total);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(QuotaPackage quotaPackage, CancellationToken cancellationToken = default)
+    {
+        return context.QuotaPackages.AddAsync(quotaPackage, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(QuotaPackage quotaPackage, CancellationToken cancellationToken = default)
+    {
+        context.QuotaPackages.Update(quotaPackage);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task<bool> SoftDeleteAsync(long id, CancellationToken cancellationToken = default)
+    {
+        var quotaPackage = await context.QuotaPackages
+            .FirstOrDefaultAsync(x => x.Id == id && x.DeletedAt == null, cancellationToken);
+
+        if (quotaPackage == null)
+        {
+            return false;
+        }
+
+        quotaPackage.DeletedAt = DateTime.UtcNow;
+        return true;
+    }
+
+    #endregion
+
+    #region 配额包购买记录
+
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<(TenantQuotaPackagePurchase Purchase, QuotaPackage Package)> Items, int Total)> GetPurchasesPagedAsync(
+        long tenantId,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.TenantQuotaPackagePurchases
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null);
+
+        var total = await query.CountAsync(cancellationToken);
+
+        var items = await query
+            .OrderByDescending(x => x.PurchasedAt)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .Join(context.QuotaPackages.AsNoTracking(),
+                purchase => purchase.QuotaPackageId,
+                package => package.Id,
+                (purchase, package) => new { Purchase = purchase, Package = package })
+            .ToListAsync(cancellationToken);
+
+        return (items.Select(x => (x.Purchase, x.Package)).ToList(), total);
+    }
+
+    /// <inheritdoc />
+    public Task AddPurchaseAsync(TenantQuotaPackagePurchase purchase, CancellationToken cancellationToken = default)
+    {
+        return context.TenantQuotaPackagePurchases.AddAsync(purchase, cancellationToken).AsTask();
+    }
+
+    #endregion
+
+    #region 配额使用情况
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantQuotaUsage>> GetUsageByTenantAsync(
+        long tenantId,
+        TenantQuotaType? quotaType,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.TenantQuotaUsages
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (quotaType.HasValue)
+        {
+            query = query.Where(x => x.QuotaType == quotaType.Value);
+        }
+
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantQuotaUsage?> FindUsageAsync(
+        long tenantId,
+        TenantQuotaType quotaType,
+        CancellationToken cancellationToken = default)
+    {
+        return context.TenantQuotaUsages
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.QuotaType == quotaType, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task UpdateUsageAsync(TenantQuotaUsage usage, CancellationToken cancellationToken = default)
+    {
+        context.TenantQuotaUsages.Update(usage);
+        return Task.CompletedTask;
+    }
+
+    #endregion
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStatisticsRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStatisticsRepository.cs
new file mode 100644
index 0000000..694fdb7
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStatisticsRepository.cs
@@ -0,0 +1,116 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 统计数据仓储实现。
+/// </summary>
+public sealed class EfStatisticsRepository(TakeoutAppDbContext dbContext) : IStatisticsRepository
+{
+    #region 订阅统计
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantSubscription>> GetAllSubscriptionsAsync(CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantSubscriptions
+            .AsNoTracking()
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<ExpiringSubscriptionInfo>> GetExpiringSubscriptionsAsync(
+        int daysAhead,
+        bool onlyWithoutAutoRenew,
+        CancellationToken cancellationToken = default)
+    {
+        var now = DateTime.UtcNow;
+        var targetDate = now.AddDays(daysAhead);
+
+        // 构建基础查询
+        var query = dbContext.TenantSubscriptions
+            .AsNoTracking()
+            .Where(s => s.Status == SubscriptionStatus.Active
+                     && s.EffectiveTo >= now
+                     && s.EffectiveTo <= targetDate);
+
+        // 如果只查询未开启自动续费的
+        if (onlyWithoutAutoRenew)
+        {
+            query = query.Where(s => !s.AutoRenew);
+        }
+
+        // 连接租户和套餐信息
+        var result = await query
+            .Join(
+                dbContext.Tenants,
+                sub => sub.TenantId,
+                tenant => tenant.Id,
+                (sub, tenant) => new { Subscription = sub, Tenant = tenant }
+            )
+            .Join(
+                dbContext.TenantPackages,
+                combined => combined.Subscription.TenantPackageId,
+                package => package.Id,
+                (combined, package) => new ExpiringSubscriptionInfo
+                {
+                    Subscription = combined.Subscription,
+                    TenantName = combined.Tenant.Name,
+                    PackageName = package.Name
+                }
+            )
+            .OrderBy(x => x.Subscription.EffectiveTo)
+            .ToListAsync(cancellationToken);
+
+        return result;
+    }
+
+    #endregion
+
+    #region 收入统计
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantBillingStatement>> GetPaidBillsAsync(CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantBillingStatements
+            .AsNoTracking()
+            .Where(b => b.Status == TenantBillingStatus.Paid)
+            .ToListAsync(cancellationToken);
+    }
+
+    #endregion
+
+    #region 配额使用排行
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<QuotaUsageRankInfo>> GetQuotaUsageRankingAsync(
+        TenantQuotaType quotaType,
+        int topN,
+        CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantQuotaUsages
+            .AsNoTracking()
+            .Where(q => q.QuotaType == quotaType && q.LimitValue > 0)
+            .Join(
+                dbContext.Tenants,
+                quota => quota.TenantId,
+                tenant => tenant.Id,
+                (quota, tenant) => new QuotaUsageRankInfo
+                {
+                    TenantId = quota.TenantId,
+                    TenantName = tenant.Name,
+                    UsedValue = quota.UsedValue,
+                    LimitValue = quota.LimitValue,
+                    UsagePercentage = quota.LimitValue > 0 ? (quota.UsedValue / quota.LimitValue * 100) : 0
+                }
+            )
+            .OrderByDescending(x => x.UsagePercentage)
+            .Take(topN)
+            .ToListAsync(cancellationToken);
+    }
+
+    #endregion
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs
index a25d364..72952f1 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs
@@ -14,28 +14,14 @@ namespace TakeoutSaaS.Infrastructure.App.Repositories;
 /// <remarks>
 /// 初始化仓储。
 /// </remarks>
-public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStoreRepository
+public sealed class EfStoreRepository(TakeoutAppDbContext context) : IStoreRepository
 {
     /// <inheritdoc />
-    public Task<Store?> FindByIdAsync(long storeId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public Task<Store?> FindByIdAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.Stores.AsNoTracking();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 返回门店实体
-        return query
-            .Where(x => x.Id == storeId)
+        return context.Stores
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Id == storeId)
             .FirstOrDefaultAsync(cancellationToken);
     }
 
@@ -51,71 +37,50 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
 
     /// <inheritdoc />
     public async Task<IReadOnlyList<Store>> SearchAsync(
-        long? tenantId,
+        long tenantId,
         long? merchantId,
         StoreStatus? status,
         StoreAuditStatus? auditStatus,
         StoreBusinessStatus? businessStatus,
         StoreOwnershipType? ownershipType,
         string? keyword,
-        bool includeDeleted = false,
         CancellationToken cancellationToken = default)
     {
-        var query = context.Stores.AsNoTracking();
+        var query = context.Stores
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
 
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 可选过滤：商户
         if (merchantId.HasValue)
         {
             query = query.Where(x => x.MerchantId == merchantId.Value);
         }
 
-        // 4. (空行后) 可选过滤：状态
         if (status.HasValue)
         {
             query = query.Where(x => x.Status == status.Value);
         }
 
-        // 5. (空行后) 可选过滤：审核状态
         if (auditStatus.HasValue)
         {
             query = query.Where(x => x.AuditStatus == auditStatus.Value);
         }
 
-        // 6. (空行后) 可选过滤：经营状态
         if (businessStatus.HasValue)
         {
             query = query.Where(x => x.BusinessStatus == businessStatus.Value);
         }
 
-        // 7. (空行后) 可选过滤：主体类型
         if (ownershipType.HasValue)
         {
             query = query.Where(x => x.OwnershipType == ownershipType.Value);
         }
 
-        // 8. (空行后) 可选过滤：关键词
         if (!string.IsNullOrWhiteSpace(keyword))
         {
             var trimmed = keyword.Trim();
-            query = query.Where(x =>
-                x.Name.Contains(trimmed) ||
-                x.Code.Contains(trimmed) ||
-                (x.Phone != null && x.Phone.Contains(trimmed)));
+            query = query.Where(x => x.Name.Contains(trimmed) || x.Code.Contains(trimmed));
         }
 
-        // 9. (空行后) 查询并返回结果
         var stores = await query
             .OrderBy(x => x.Name)
             .ToListAsync(cancellationToken);
@@ -161,22 +126,17 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public async Task<Dictionary<long, int>> GetStoreCountsAsync(long? tenantId, IReadOnlyCollection<long> merchantIds, CancellationToken cancellationToken = default)
+    public async Task<Dictionary<long, int>> GetStoreCountsAsync(long tenantId, IReadOnlyCollection<long> merchantIds, CancellationToken cancellationToken = default)
     {
         if (merchantIds.Count == 0)
         {
             return new Dictionary<long, int>();
         }
 
-        var query = context.Stores.AsNoTracking();
+        var query = context.Stores
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
 
-        // 1. 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 2. (空行后) 分组统计门店数量
         return await query
             .Where(x => merchantIds.Contains(x.MerchantId))
             .GroupBy(x => x.MerchantId)
@@ -185,25 +145,11 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<StoreBusinessHour>> GetBusinessHoursAsync(long storeId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public async Task<IReadOnlyList<StoreBusinessHour>> GetBusinessHoursAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreBusinessHours.AsNoTracking();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 查询并返回营业时段
-        var hours = await query
-            .Where(x => x.StoreId == storeId)
+        var hours = await context.StoreBusinessHours
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
             .OrderBy(x => x.DayOfWeek)
             .ThenBy(x => x.StartTime)
             .ToListAsync(cancellationToken);
@@ -212,25 +158,11 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public Task<StoreFee?> GetStoreFeeAsync(long storeId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public Task<StoreFee?> GetStoreFeeAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreFees.AsNoTracking();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 返回费用配置
-        return query
-            .Where(x => x.StoreId == storeId)
+        return context.StoreFees
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
             .FirstOrDefaultAsync(cancellationToken);
     }
 
@@ -248,25 +180,11 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<StoreQualification>> GetQualificationsAsync(long storeId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public async Task<IReadOnlyList<StoreQualification>> GetQualificationsAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreQualifications.AsNoTracking();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 查询并返回资质列表
-        var qualifications = await query
-            .Where(x => x.StoreId == storeId)
+        var qualifications = await context.StoreQualifications
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
             .OrderBy(x => x.SortOrder)
             .ThenBy(x => x.QualificationType)
             .ToListAsync(cancellationToken);
@@ -333,25 +251,11 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<StoreDeliveryZone>> GetDeliveryZonesAsync(long storeId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public async Task<IReadOnlyList<StoreDeliveryZone>> GetDeliveryZonesAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreDeliveryZones.AsNoTracking();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 查询并返回配送区域
-        var zones = await query
-            .Where(x => x.StoreId == storeId)
+        var zones = await context.StoreDeliveryZones
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
             .OrderBy(x => x.SortOrder)
             .ToListAsync(cancellationToken);
 
@@ -359,48 +263,19 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public Task<StoreDeliveryZone?> FindDeliveryZoneByIdAsync(long deliveryZoneId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public Task<StoreDeliveryZone?> FindDeliveryZoneByIdAsync(long deliveryZoneId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreDeliveryZones.AsQueryable();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 返回配送区域实体
-        return query
-            .Where(x => x.Id == deliveryZoneId)
+        return context.StoreDeliveryZones
+            .Where(x => x.TenantId == tenantId && x.Id == deliveryZoneId)
             .FirstOrDefaultAsync(cancellationToken);
     }
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<StoreHoliday>> GetHolidaysAsync(long storeId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public async Task<IReadOnlyList<StoreHoliday>> GetHolidaysAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreHolidays.AsNoTracking();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 查询并返回节假日
-        var holidays = await query
-            .Where(x => x.StoreId == storeId)
+        var holidays = await context.StoreHolidays
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
             .OrderBy(x => x.Date)
             .ToListAsync(cancellationToken);
 
@@ -408,25 +283,10 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public Task<StoreHoliday?> FindHolidayByIdAsync(long holidayId, long? tenantId, CancellationToken cancellationToken = default, bool includeDeleted = false)
+    public Task<StoreHoliday?> FindHolidayByIdAsync(long holidayId, long tenantId, CancellationToken cancellationToken = default)
     {
-        var query = context.StoreHolidays.AsQueryable();
-
-        // 1. 包含软删除数据时忽略全局过滤
-        if (includeDeleted)
-        {
-            query = query.IgnoreQueryFilters();
-        }
-
-        // 2. (空行后) 可选租户过滤
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 3. (空行后) 返回节假日实体
-        return query
-            .Where(x => x.Id == holidayId)
+        return context.StoreHolidays
+            .Where(x => x.TenantId == tenantId && x.Id == holidayId)
             .FirstOrDefaultAsync(cancellationToken);
     }
 
@@ -668,18 +528,10 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public async Task DeleteDeliveryZoneAsync(long deliveryZoneId, long? tenantId, CancellationToken cancellationToken = default)
+    public async Task DeleteDeliveryZoneAsync(long deliveryZoneId, long tenantId, CancellationToken cancellationToken = default)
     {
-        // 1. 查询目标配送区域
-        var query = context.StoreDeliveryZones.AsQueryable();
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 2. (空行后) 执行软删除
-        var existing = await query
-            .Where(x => x.Id == deliveryZoneId)
+        var existing = await context.StoreDeliveryZones
+            .Where(x => x.TenantId == tenantId && x.Id == deliveryZoneId)
             .FirstOrDefaultAsync(cancellationToken);
 
         if (existing != null)
@@ -689,18 +541,10 @@ public sealed class EfStoreRepository(TakeoutTenantAppDbContext context) : IStor
     }
 
     /// <inheritdoc />
-    public async Task DeleteHolidayAsync(long holidayId, long? tenantId, CancellationToken cancellationToken = default)
+    public async Task DeleteHolidayAsync(long holidayId, long tenantId, CancellationToken cancellationToken = default)
     {
-        // 1. 查询目标节假日
-        var query = context.StoreHolidays.AsQueryable();
-        if (tenantId.HasValue)
-        {
-            query = query.Where(x => x.TenantId == tenantId.Value);
-        }
-
-        // 2. (空行后) 执行软删除
-        var existing = await query
-            .Where(x => x.Id == holidayId)
+        var existing = await context.StoreHolidays
+            .Where(x => x.TenantId == tenantId && x.Id == holidayId)
             .FirstOrDefaultAsync(cancellationToken);
 
         if (existing != null)
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfSubscriptionRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfSubscriptionRepository.cs
new file mode 100644
index 0000000..5168764
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfSubscriptionRepository.cs
@@ -0,0 +1,362 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 订阅管理仓储实现。
+/// </summary>
+public sealed class EfSubscriptionRepository(TakeoutAppDbContext dbContext, TakeoutLogsDbContext logsContext) : ISubscriptionRepository
+{
+    #region 订阅查询
+
+    /// <inheritdoc />
+    public async Task<TenantSubscription?> FindByIdAsync(
+        long subscriptionId,
+        CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantSubscriptions
+            .FirstOrDefaultAsync(s => s.Id == subscriptionId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantSubscription>> FindByIdsAsync(
+        IEnumerable<long> subscriptionIds,
+        CancellationToken cancellationToken = default)
+    {
+        var ids = subscriptionIds.ToList();
+        return await dbContext.TenantSubscriptions
+            .Where(s => ids.Contains(s.Id))
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<SubscriptionWithRelations> Items, int Total)> SearchPagedAsync(
+        SubscriptionSearchFilter filter,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = dbContext.TenantSubscriptions
+            .AsNoTracking()
+            .Join(
+                dbContext.Tenants,
+                sub => sub.TenantId,
+                tenant => tenant.Id,
+                (sub, tenant) => new { Subscription = sub, Tenant = tenant }
+            )
+            .Join(
+                dbContext.TenantPackages,
+                combined => combined.Subscription.TenantPackageId,
+                package => package.Id,
+                (combined, package) => new { combined.Subscription, combined.Tenant, Package = package }
+            )
+            .GroupJoin(
+                dbContext.TenantPackages,
+                combined => combined.Subscription.ScheduledPackageId,
+                scheduledPackage => scheduledPackage.Id,
+                (combined, scheduledPackages) => new { combined.Subscription, combined.Tenant, combined.Package, ScheduledPackage = scheduledPackages.FirstOrDefault() }
+            );
+
+        // 2. 应用过滤条件
+        if (filter.Status.HasValue)
+        {
+            query = query.Where(x => x.Subscription.Status == filter.Status.Value);
+        }
+
+        if (filter.TenantPackageId.HasValue)
+        {
+            query = query.Where(x => x.Subscription.TenantPackageId == filter.TenantPackageId.Value);
+        }
+
+        if (filter.TenantId.HasValue)
+        {
+            query = query.Where(x => x.Subscription.TenantId == filter.TenantId.Value);
+        }
+
+        if (!string.IsNullOrWhiteSpace(filter.TenantKeyword))
+        {
+            var keyword = filter.TenantKeyword.Trim().ToLower();
+            query = query.Where(x => x.Tenant.Name.ToLower().Contains(keyword) || x.Tenant.Code.ToLower().Contains(keyword));
+        }
+
+        if (filter.ExpiringWithinDays.HasValue)
+        {
+            var expiryDate = DateTime.UtcNow.AddDays(filter.ExpiringWithinDays.Value);
+            query = query.Where(x => x.Subscription.EffectiveTo <= expiryDate && x.Subscription.EffectiveTo >= DateTime.UtcNow);
+        }
+
+        if (filter.AutoRenew.HasValue)
+        {
+            query = query.Where(x => x.Subscription.AutoRenew == filter.AutoRenew.Value);
+        }
+
+        // 3. 获取总数
+        var total = await query.CountAsync(cancellationToken);
+
+        // 4. 排序和分页
+        var items = await query
+            .OrderByDescending(x => x.Subscription.CreatedAt)
+            .Skip((filter.Page - 1) * filter.PageSize)
+            .Take(filter.PageSize)
+            .Select(x => new SubscriptionWithRelations
+            {
+                Subscription = x.Subscription,
+                TenantName = x.Tenant.Name,
+                TenantCode = x.Tenant.Code,
+                PackageName = x.Package.Name,
+                ScheduledPackageName = x.ScheduledPackage != null ? x.ScheduledPackage.Name : null
+            })
+            .ToListAsync(cancellationToken);
+
+        return (items, total);
+    }
+
+    /// <inheritdoc />
+    public async Task<SubscriptionDetailInfo?> GetDetailAsync(
+        long subscriptionId,
+        CancellationToken cancellationToken = default)
+    {
+        var result = await dbContext.TenantSubscriptions
+            .AsNoTracking()
+            .Where(s => s.Id == subscriptionId)
+            .Select(s => new
+            {
+                Subscription = s,
+                Tenant = dbContext.Tenants.FirstOrDefault(t => t.Id == s.TenantId),
+                Package = dbContext.TenantPackages.FirstOrDefault(p => p.Id == s.TenantPackageId),
+                ScheduledPackage = s.ScheduledPackageId.HasValue
+                    ? dbContext.TenantPackages.FirstOrDefault(p => p.Id == s.ScheduledPackageId)
+                    : null
+            })
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (result == null)
+        {
+            return null;
+        }
+
+        return new SubscriptionDetailInfo
+        {
+            Subscription = result.Subscription,
+            TenantName = result.Tenant?.Name ?? "",
+            TenantCode = result.Tenant?.Code ?? "",
+            Package = result.Package,
+            ScheduledPackage = result.ScheduledPackage
+        };
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<SubscriptionWithTenant>> FindByIdsWithTenantAsync(
+        IEnumerable<long> subscriptionIds,
+        CancellationToken cancellationToken = default)
+    {
+        var ids = subscriptionIds.ToList();
+
+        return await dbContext.TenantSubscriptions
+            .Where(s => ids.Contains(s.Id))
+            .Join(
+                dbContext.Tenants,
+                sub => sub.TenantId,
+                tenant => tenant.Id,
+                (sub, tenant) => new SubscriptionWithTenant
+                {
+                    Subscription = sub,
+                    Tenant = tenant
+                }
+            )
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<AutoRenewalCandidate>> FindAutoRenewalCandidatesAsync(
+        DateTime now,
+        DateTime renewalThreshold,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 查询开启自动续费且即将到期的活跃订阅
+        var query = dbContext.TenantSubscriptions
+            .Where(s => s.Status == SubscriptionStatus.Active
+                        && s.AutoRenew
+                        && s.EffectiveTo <= renewalThreshold
+                        && s.EffectiveTo > now)
+            .Join(
+                dbContext.TenantPackages,
+                subscription => subscription.TenantPackageId,
+                package => package.Id,
+                (subscription, package) => new AutoRenewalCandidate
+                {
+                    Subscription = subscription,
+                    Package = package
+                });
+
+        // 2. 返回候选列表
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<RenewalReminderCandidate>> FindRenewalReminderCandidatesAsync(
+        DateTime startOfDay,
+        DateTime endOfDay,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 查询到期落在指定区间的订阅（且未开启自动续费）
+        var query = dbContext.TenantSubscriptions
+            .Where(s => s.Status == SubscriptionStatus.Active
+                        && !s.AutoRenew
+                        && s.EffectiveTo >= startOfDay
+                        && s.EffectiveTo < endOfDay)
+            .Join(
+                dbContext.Tenants,
+                subscription => subscription.TenantId,
+                tenant => tenant.Id,
+                (subscription, tenant) => new { Subscription = subscription, Tenant = tenant })
+            .Join(
+                dbContext.TenantPackages,
+                combined => combined.Subscription.TenantPackageId,
+                package => package.Id,
+                (combined, package) => new RenewalReminderCandidate
+                {
+                    Subscription = combined.Subscription,
+                    Tenant = combined.Tenant,
+                    Package = package
+                });
+
+        // 2. 返回候选列表
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantSubscription>> FindExpiredActiveSubscriptionsAsync(
+        DateTime now,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 查询已到期仍为 Active 的订阅
+        return await dbContext.TenantSubscriptions
+            .Where(s => s.Status == SubscriptionStatus.Active && s.EffectiveTo < now)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantSubscription>> FindGracePeriodExpiredSubscriptionsAsync(
+        DateTime now,
+        int gracePeriodDays,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 查询宽限期已结束的订阅
+        return await dbContext.TenantSubscriptions
+            .Where(s => s.Status == SubscriptionStatus.GracePeriod
+                        && s.EffectiveTo.AddDays(gracePeriodDays) < now)
+            .ToListAsync(cancellationToken);
+    }
+
+    #endregion
+
+    #region 套餐查询
+
+    /// <inheritdoc />
+    public async Task<TenantPackage?> FindPackageByIdAsync(long packageId, CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantPackages
+            .AsNoTracking()
+            .FirstOrDefaultAsync(p => p.Id == packageId, cancellationToken);
+    }
+
+    #endregion
+
+    #region 订阅更新
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantSubscription subscription, CancellationToken cancellationToken = default)
+    {
+        dbContext.TenantSubscriptions.Update(subscription);
+        return Task.CompletedTask;
+    }
+
+    #endregion
+
+    #region 订阅历史
+
+    /// <inheritdoc />
+    public Task AddHistoryAsync(TenantSubscriptionHistory history, CancellationToken cancellationToken = default)
+    {
+        dbContext.TenantSubscriptionHistories.Add(history);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<SubscriptionHistoryWithPackageNames>> GetHistoryAsync(
+        long subscriptionId,
+        CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantSubscriptionHistories
+            .AsNoTracking()
+            .Where(h => h.TenantSubscriptionId == subscriptionId)
+            .OrderByDescending(h => h.CreatedAt)
+            .Select(h => new SubscriptionHistoryWithPackageNames
+            {
+                History = h,
+                FromPackageName = dbContext.TenantPackages
+                    .Where(p => p.Id == h.FromPackageId)
+                    .Select(p => p.Name)
+                    .FirstOrDefault() ?? "",
+                ToPackageName = dbContext.TenantPackages
+                    .Where(p => p.Id == h.ToPackageId)
+                    .Select(p => p.Name)
+                    .FirstOrDefault() ?? ""
+            })
+            .ToListAsync(cancellationToken);
+    }
+
+    #endregion
+
+    #region 配额使用
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantQuotaUsage>> GetQuotaUsagesAsync(
+        long tenantId,
+        CancellationToken cancellationToken = default)
+    {
+        return await dbContext.TenantQuotaUsages
+            .AsNoTracking()
+            .Where(q => q.TenantId == tenantId)
+            .ToListAsync(cancellationToken);
+    }
+
+    #endregion
+
+    #region 通知
+
+    /// <inheritdoc />
+    public Task AddNotificationAsync(TenantNotification notification, CancellationToken cancellationToken = default)
+    {
+        dbContext.TenantNotifications.Add(notification);
+        return Task.CompletedTask;
+    }
+
+    #endregion
+
+    #region 操作日志
+
+    /// <inheritdoc />
+    public Task AddOperationLogAsync(OperationLog log, CancellationToken cancellationToken = default)
+    {
+        logsContext.OperationLogs.Add(log);
+        return Task.CompletedTask;
+    }
+
+    #endregion
+
+    /// <inheritdoc />
+    public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 保存业务库变更
+        await dbContext.SaveChangesAsync(cancellationToken);
+
+        // 2. 保存日志库变更
+        await logsContext.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs
new file mode 100644
index 0000000..23236ae
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs
@@ -0,0 +1,68 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// EF 公告已读仓储。
+/// </summary>
+public sealed class EfTenantAnnouncementReadRepository(TakeoutAppDbContext context) : ITenantAnnouncementReadRepository
+{
+    /// <inheritdoc />
+    public Task<IReadOnlyList<TenantAnnouncementRead>> GetByAnnouncementAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantAnnouncementReads.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.AnnouncementId == announcementId)
+            .OrderBy(x => x.ReadAt)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<TenantAnnouncementRead>)t.Result, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<TenantAnnouncementRead>> GetByAnnouncementAsync(long tenantId, IEnumerable<long> announcementIds, long? userId, CancellationToken cancellationToken = default)
+    {
+        var ids = announcementIds.Distinct().ToArray();
+        if (ids.Length == 0)
+        {
+            return Task.FromResult<IReadOnlyList<TenantAnnouncementRead>>(Array.Empty<TenantAnnouncementRead>());
+        }
+
+        var query = context.TenantAnnouncementReads.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && ids.Contains(x.AnnouncementId));
+
+        if (userId.HasValue)
+        {
+            query = query.Where(x => x.UserId == userId.Value);
+        }
+        else
+        {
+            query = query.Where(x => x.UserId == null);
+        }
+
+        return query
+            .OrderByDescending(x => x.ReadAt)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<TenantAnnouncementRead>)t.Result, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantAnnouncementRead?> FindAsync(long tenantId, long announcementId, long? userId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantAnnouncementReads
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.AnnouncementId == announcementId && x.UserId == userId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantAnnouncementRead record, CancellationToken cancellationToken = default)
+    {
+        return context.TenantAnnouncementReads.AddAsync(record, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs
new file mode 100644
index 0000000..75ba5f8
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs
@@ -0,0 +1,167 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// EF 租户公告仓储。
+/// </summary>
+public sealed class EfTenantAnnouncementRepository(TakeoutAppDbContext context) : ITenantAnnouncementRepository
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantAnnouncement>> SearchAsync(
+        long tenantId,
+        string? keyword,
+        AnnouncementStatus? status,
+        TenantAnnouncementType? type,
+        bool? isActive,
+        DateTime? effectiveFrom,
+        DateTime? effectiveTo,
+        DateTime? effectiveAt,
+        bool orderByPriority = false,
+        int? limit = null,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.TenantAnnouncements.AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x =>
+                EF.Functions.ILike(x.Title, $"%{normalized}%")
+                || EF.Functions.ILike(x.Content, $"%{normalized}%"));
+        }
+
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        if (type.HasValue)
+        {
+            query = query.Where(x => x.AnnouncementType == type.Value);
+        }
+
+        if (isActive.HasValue)
+        {
+            query = isActive.Value
+                ? query.Where(x => x.Status == AnnouncementStatus.Published)
+                : query.Where(x => x.Status != AnnouncementStatus.Published);
+        }
+
+        if (effectiveFrom.HasValue)
+        {
+            query = query.Where(x => x.EffectiveFrom >= effectiveFrom.Value);
+        }
+
+        if (effectiveTo.HasValue)
+        {
+            query = query.Where(x => x.EffectiveTo == null || x.EffectiveTo <= effectiveTo.Value);
+        }
+
+        if (effectiveAt.HasValue)
+        {
+            var at = effectiveAt.Value;
+            query = query.Where(x => x.EffectiveFrom <= at && (x.EffectiveTo == null || x.EffectiveTo >= at));
+        }
+
+        // 应用排序（如果启用）
+        if (orderByPriority)
+        {
+            query = query.OrderByDescending(x => x.Priority).ThenByDescending(x => x.EffectiveFrom);
+        }
+
+        // 应用限制（如果指定）
+        if (limit.HasValue && limit.Value > 0)
+        {
+            query = query.Take(limit.Value);
+        }
+
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantAnnouncement>> SearchUnreadAsync(
+        long tenantId,
+        long? userId,
+        AnnouncementStatus? status,
+        bool? isActive,
+        DateTime? effectiveAt,
+        CancellationToken cancellationToken = default)
+    {
+        var announcementQuery = context.TenantAnnouncements.AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (status.HasValue)
+        {
+            announcementQuery = announcementQuery.Where(x => x.Status == status.Value);
+        }
+
+        if (isActive.HasValue)
+        {
+            announcementQuery = isActive.Value
+                ? announcementQuery.Where(x => x.Status == AnnouncementStatus.Published)
+                : announcementQuery.Where(x => x.Status != AnnouncementStatus.Published);
+        }
+
+        if (effectiveAt.HasValue)
+        {
+            var at = effectiveAt.Value;
+            announcementQuery = announcementQuery.Where(x => x.EffectiveFrom <= at && (x.EffectiveTo == null || x.EffectiveTo >= at));
+        }
+
+        var readQuery = context.TenantAnnouncementReads.AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        readQuery = userId.HasValue
+            ? readQuery.Where(x => x.UserId == null || x.UserId == userId.Value)
+            : readQuery.Where(x => x.UserId == null);
+
+        var query = from announcement in announcementQuery
+            join read in readQuery on announcement.Id equals read.AnnouncementId into readGroup
+            where !readGroup.Any()
+            select announcement;
+
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantAnnouncement?> FindByIdAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantAnnouncements.AsNoTracking()
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.Id == announcementId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantAnnouncement announcement, CancellationToken cancellationToken = default)
+    {
+        return context.TenantAnnouncements.AddAsync(announcement, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantAnnouncement announcement, CancellationToken cancellationToken = default)
+    {
+        context.TenantAnnouncements.Update(announcement);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default)
+    {
+        var entity = await context.TenantAnnouncements.FirstOrDefaultAsync(x => x.TenantId == tenantId && x.Id == announcementId, cancellationToken);
+        if (entity != null)
+        {
+            context.TenantAnnouncements.Remove(entity);
+        }
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs
new file mode 100644
index 0000000..8738d6e
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs
@@ -0,0 +1,94 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// EF 租户通知仓储。
+/// </summary>
+public sealed class EfTenantNotificationRepository(TakeoutAppDbContext context) : ITenantNotificationRepository
+{
+    /// <inheritdoc />
+    public Task<IReadOnlyList<TenantNotification>> SearchAsync(
+        long tenantId,
+        TenantNotificationSeverity? severity,
+        bool? unreadOnly,
+        DateTime? from,
+        DateTime? to,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.TenantNotifications.AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        if (severity.HasValue)
+        {
+            query = query.Where(x => x.Severity == severity.Value);
+        }
+
+        if (unreadOnly == true)
+        {
+            query = query.Where(x => x.ReadAt == null);
+        }
+
+        if (from.HasValue)
+        {
+            query = query.Where(x => x.SentAt >= from.Value);
+        }
+
+        if (to.HasValue)
+        {
+            query = query.Where(x => x.SentAt <= to.Value);
+        }
+
+        return query
+            .OrderByDescending(x => x.SentAt)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<TenantNotification>)t.Result, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantNotification?> FindByIdAsync(long tenantId, long notificationId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantNotifications
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.Id == notificationId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsByMetadataAsync(
+        long tenantId,
+        string title,
+        string metadataJson,
+        DateTime sentAfter,
+        CancellationToken cancellationToken = default)
+    {
+        return context.TenantNotifications.AsNoTracking()
+            .AnyAsync(
+                x => x.TenantId == tenantId
+                     && x.Title == title
+                     && x.MetadataJson == metadataJson
+                     && x.SentAt >= sentAfter,
+                cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantNotification notification, CancellationToken cancellationToken = default)
+    {
+        return context.TenantNotifications.AddAsync(notification, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantNotification notification, CancellationToken cancellationToken = default)
+    {
+        context.TenantNotifications.Update(notification);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs
new file mode 100644
index 0000000..ad9e266
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs
@@ -0,0 +1,89 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 租户套餐仓储实现。
+/// </summary>
+public sealed class EfTenantPackageRepository(TakeoutAppDbContext context) : ITenantPackageRepository
+{
+    /// <inheritdoc />
+    public Task<TenantPackage?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
+    {
+        return context.TenantPackages.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantPackage>> SearchAsync(string? keyword, bool? isActive, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = context.TenantPackages.AsNoTracking();
+
+        // 2. 关键字过滤
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x => EF.Functions.ILike(x.Name, $"%{normalized}%") || EF.Functions.ILike(x.Description ?? string.Empty, $"%{normalized}%"));
+        }
+
+        // 3. 状态过滤
+        if (isActive.HasValue)
+        {
+            query = query.Where(x => x.IsActive == isActive.Value);
+        }
+
+        // 4. 排序返回
+        return await query
+            .OrderBy(x => x.SortOrder)
+            .ThenByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantPackage>> SearchPublicPurchasableAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 公共可选购套餐仅返回：已发布 + 对外可见 + 允许新购 + 启用
+        return await context.TenantPackages.AsNoTracking()
+            .Where(x =>
+                x.IsActive
+                && x.PublishStatus == TenantPackagePublishStatus.Published
+                && x.IsPublicVisible
+                && x.IsAllowNewTenantPurchase)
+            .OrderBy(x => x.SortOrder)
+            .ThenByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantPackage package, CancellationToken cancellationToken = default)
+    {
+        return context.TenantPackages.AddAsync(package, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantPackage package, CancellationToken cancellationToken = default)
+    {
+        context.TenantPackages.Update(package);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteAsync(long id, CancellationToken cancellationToken = default)
+    {
+        var entity = await context.TenantPackages.FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+        if (entity != null)
+        {
+            context.TenantPackages.Remove(entity);
+        }
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageHistoryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageHistoryRepository.cs
new file mode 100644
index 0000000..701cbff
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageHistoryRepository.cs
@@ -0,0 +1,24 @@
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 租户配额使用历史仓储实现。
+/// </summary>
+public sealed class EfTenantQuotaUsageHistoryRepository(TakeoutAppDbContext context) : ITenantQuotaUsageHistoryRepository
+{
+    /// <inheritdoc />
+    public Task AddAsync(TenantQuotaUsageHistory history, CancellationToken cancellationToken = default)
+    {
+        return context.TenantQuotaUsageHistories.AddAsync(history, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
+
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs
new file mode 100644
index 0000000..dd9c564
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs
@@ -0,0 +1,50 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 租户配额使用仓储实现。
+/// </summary>
+public sealed class EfTenantQuotaUsageRepository(TakeoutAppDbContext context) : ITenantQuotaUsageRepository
+{
+    /// <inheritdoc />
+    public Task<TenantQuotaUsage?> FindAsync(long tenantId, TenantQuotaType quotaType, CancellationToken cancellationToken = default)
+    {
+        return context.TenantQuotaUsages
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.QuotaType == quotaType, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<IReadOnlyList<TenantQuotaUsage>> GetByTenantAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantQuotaUsages
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId)
+            .OrderBy(x => x.QuotaType)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<TenantQuotaUsage>)t.Result, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantQuotaUsage usage, CancellationToken cancellationToken = default)
+    {
+        return context.TenantQuotaUsages.AddAsync(usage, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantQuotaUsage usage, CancellationToken cancellationToken = default)
+    {
+        context.TenantQuotaUsages.Update(usage);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
new file mode 100644
index 0000000..cd56dff
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
@@ -0,0 +1,356 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 租户聚合的 EF Core 仓储实现。
+/// </summary>
+public sealed class EfTenantRepository(TakeoutAppDbContext context, TakeoutLogsDbContext logsContext) : ITenantRepository
+{
+    /// <inheritdoc />
+    public Task<Tenant?> FindByIdAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.Tenants
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == tenantId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<Tenant>> FindByIdsAsync(IReadOnlyCollection<long> tenantIds, CancellationToken cancellationToken = default)
+    {
+        if (tenantIds.Count == 0)
+        {
+            return Array.Empty<Tenant>();
+        }
+
+        return await context.Tenants
+            .AsNoTracking()
+            .Where(x => tenantIds.Contains(x.Id))
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<Tenant>> SearchAsync(
+        TenantStatus? status,
+        string? keyword,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = context.Tenants.AsNoTracking();
+
+        // 2. 按状态过滤
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        // 3. 按关键字过滤
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            keyword = keyword.Trim();
+            query = query.Where(x =>
+                EF.Functions.ILike(x.Name, $"%{keyword}%") ||
+                EF.Functions.ILike(x.Code, $"%{keyword}%") ||
+                EF.Functions.ILike(x.ContactName ?? string.Empty, $"%{keyword}%") ||
+                EF.Functions.ILike(x.ContactPhone ?? string.Empty, $"%{keyword}%"));
+        }
+
+        // 4. 排序返回
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<Tenant> Items, int Total)> SearchPagedAsync(
+        TenantStatus? status,
+        TenantVerificationStatus? verificationStatus,
+        string? name,
+        string? contactName,
+        string? contactPhone,
+        string? keyword,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.Tenants.AsNoTracking();
+
+        // 1. 按租户状态过滤
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        // 2. 按实名认证状态过滤（未提交视为 Draft）
+        if (verificationStatus.HasValue)
+        {
+            query = from tenant in query
+                    join profile in context.TenantVerificationProfiles.AsNoTracking()
+                        on tenant.Id equals profile.TenantId into profiles
+                    from profile in profiles.DefaultIfEmpty()
+                    where (profile == null ? TenantVerificationStatus.Draft : profile.Status) == verificationStatus.Value
+                    select tenant;
+        }
+
+        // 3. 按名称/联系人/电话过滤（模糊匹配）
+        if (!string.IsNullOrWhiteSpace(name))
+        {
+            var normalizedName = name.Trim();
+            query = query.Where(x => EF.Functions.ILike(x.Name, $"%{normalizedName}%"));
+        }
+
+        // 4. 按联系人过滤（模糊匹配）
+        if (!string.IsNullOrWhiteSpace(contactName))
+        {
+            var normalizedContactName = contactName.Trim();
+            query = query.Where(x => EF.Functions.ILike(x.ContactName ?? string.Empty, $"%{normalizedContactName}%"));
+        }
+
+        // 5. 按联系电话过滤（模糊匹配）
+        if (!string.IsNullOrWhiteSpace(contactPhone))
+        {
+            var normalizedContactPhone = contactPhone.Trim();
+            query = query.Where(x => EF.Functions.ILike(x.ContactPhone ?? string.Empty, $"%{normalizedContactPhone}%"));
+        }
+
+        // 6. 兼容关键字查询：名称/编码/联系人/电话
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalizedKeyword = keyword.Trim();
+            query = query.Where(x =>
+                EF.Functions.ILike(x.Name, $"%{normalizedKeyword}%") ||
+                EF.Functions.ILike(x.Code, $"%{normalizedKeyword}%") ||
+                EF.Functions.ILike(x.ContactName ?? string.Empty, $"%{normalizedKeyword}%") ||
+                EF.Functions.ILike(x.ContactPhone ?? string.Empty, $"%{normalizedKeyword}%"));
+        }
+
+        // 7. 先统计总数，再按创建时间倒序分页
+        var total = await query.CountAsync(cancellationToken);
+
+        // 8. 查询当前页数据
+        var items = await query
+            .OrderByDescending(x => x.CreatedAt)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync(cancellationToken);
+
+        return (items, total);
+    }
+
+    /// <inheritdoc />
+    public Task AddTenantAsync(Tenant tenant, CancellationToken cancellationToken = default)
+    {
+        return context.Tenants.AddAsync(tenant, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateTenantAsync(Tenant tenant, CancellationToken cancellationToken = default)
+    {
+        context.Tenants.Update(tenant);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsByCodeAsync(string code, CancellationToken cancellationToken = default)
+    {
+        var normalized = code.Trim();
+        return context.Tenants.AnyAsync(x => x.Code == normalized, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<long?> FindIdByCodeAsync(string code, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化编码
+        var normalized = code.Trim();
+
+        // 2. 查询租户 ID（仅查询未删除且状态正常的租户）
+        return context.Tenants
+            .AsNoTracking()
+            .Where(x => x.Code == normalized && x.DeletedAt == null)
+            .Select(x => (long?)x.Id)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsByNameAsync(string name, long? excludeTenantId = null, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化名称
+        var normalized = name.Trim();
+
+        // 2. 构建查询（名称使用 ILike 做不区分大小写的等值匹配）
+        var query = context.Tenants
+            .AsNoTracking()
+            .Where(x => EF.Functions.ILike(x.Name, normalized));
+
+        // 3. 更新场景排除自身
+        if (excludeTenantId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeTenantId.Value);
+        }
+
+        // 4. 判断是否存在
+        return query.AnyAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<bool> ExistsByContactPhoneAsync(string phone, CancellationToken cancellationToken = default)
+    {
+        var normalized = phone.Trim();
+        return context.Tenants.AnyAsync(x => x.ContactPhone == normalized, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<long?> FindTenantIdByContactPhoneAsync(string phone, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化手机号
+        var normalized = phone.Trim();
+        // 2. 查询租户 ID
+        return context.Tenants.AsNoTracking()
+            .Where(x => x.ContactPhone == normalized)
+            .Select(x => (long?)x.Id)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantVerificationProfile?> GetVerificationProfileAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantVerificationProfiles
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.DeletedAt == null && x.TenantId == tenantId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantVerificationProfile>> GetVerificationProfilesAsync(
+        IReadOnlyCollection<long> tenantIds,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. tenantIds 为空直接返回
+        if (tenantIds.Count == 0)
+        {
+            return Array.Empty<TenantVerificationProfile>();
+        }
+
+        // 2. 批量查询实名资料
+        return await context.TenantVerificationProfiles
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && tenantIds.Contains(x.TenantId))
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task UpsertVerificationProfileAsync(TenantVerificationProfile profile, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询现有实名资料
+        var existing = await context.TenantVerificationProfiles
+            .FirstOrDefaultAsync(x => x.DeletedAt == null && x.TenantId == profile.TenantId, cancellationToken);
+
+        if (existing == null)
+        {
+            // 2. 不存在则新增
+            await context.TenantVerificationProfiles.AddAsync(profile, cancellationToken);
+            return;
+        }
+
+        // 3. 存在则更新当前值
+        profile.Id = existing.Id;
+        context.Entry(existing).CurrentValues.SetValues(profile);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantSubscription?> GetActiveSubscriptionAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantSubscriptions
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.TenantId == tenantId)
+            .OrderByDescending(x => x.EffectiveTo)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantSubscription>> GetSubscriptionsAsync(
+        IReadOnlyCollection<long> tenantIds,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. tenantIds 为空直接返回
+        if (tenantIds.Count == 0)
+        {
+            return Array.Empty<TenantSubscription>();
+        }
+
+        // 2. 批量查询订阅数据
+        return await context.TenantSubscriptions
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && tenantIds.Contains(x.TenantId))
+            .OrderByDescending(x => x.EffectiveTo)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantSubscription?> FindSubscriptionByIdAsync(long tenantId, long subscriptionId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantSubscriptions
+            .FirstOrDefaultAsync(
+                x => x.DeletedAt == null && x.TenantId == tenantId && x.Id == subscriptionId,
+                cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddSubscriptionAsync(TenantSubscription subscription, CancellationToken cancellationToken = default)
+    {
+        return context.TenantSubscriptions.AddAsync(subscription, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateSubscriptionAsync(TenantSubscription subscription, CancellationToken cancellationToken = default)
+    {
+        context.TenantSubscriptions.Update(subscription);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task AddSubscriptionHistoryAsync(TenantSubscriptionHistory history, CancellationToken cancellationToken = default)
+    {
+        return context.TenantSubscriptionHistories.AddAsync(history, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantSubscriptionHistory>> GetSubscriptionHistoryAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return await context.TenantSubscriptionHistories
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.TenantId == tenantId)
+            .OrderByDescending(x => x.EffectiveFrom)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAuditLogAsync(TenantAuditLog log, CancellationToken cancellationToken = default)
+    {
+        return logsContext.TenantAuditLogs.AddAsync(log, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantAuditLog>> GetAuditLogsAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return await logsContext.TenantAuditLogs
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.TenantId == tenantId)
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 保存业务库变更
+        await context.SaveChangesAsync(cancellationToken);
+
+        // 2. 保存日志库变更
+        await logsContext.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/BillingDomainService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/BillingDomainService.cs
new file mode 100644
index 0000000..4fd3346
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/BillingDomainService.cs
@@ -0,0 +1,233 @@
+using System.Globalization;
+using System.Text.Json;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Domain.Tenants.Services;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// 账单领域服务实现。
+/// </summary>
+public sealed class BillingDomainService(
+    ITenantBillingRepository billingRepository,
+    ITenantRepository tenantRepository,
+    ITenantContextAccessor tenantContextAccessor,
+    ITenantPackageRepository tenantPackageRepository,
+    IIdGenerator idGenerator) : IBillingDomainService
+{
+    /// <inheritdoc />
+    public async Task<TenantBillingStatement> GenerateSubscriptionBillingAsync(
+        TenantSubscription subscription,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(subscription);
+
+        // 1. 校验幂等：同一周期开始时间只能存在一张未取消账单
+        var exists = await billingRepository.ExistsNotCancelledByPeriodStartAsync(
+            subscription.TenantId,
+            subscription.EffectiveFrom,
+            cancellationToken);
+        if (exists)
+        {
+            throw new InvalidOperationException("该订阅周期的账单已存在。");
+        }
+
+        // 2. 查询套餐价格信息
+        var package = await tenantPackageRepository.FindByIdAsync(subscription.TenantPackageId, cancellationToken);
+        if (package is null)
+        {
+            throw new InvalidOperationException("订阅未关联有效套餐，无法生成账单。");
+        }
+
+        // 3. 选择价格（简化规则：优先按年/按月）
+        var days = (subscription.EffectiveTo - subscription.EffectiveFrom).TotalDays;
+        var amountDue = days >= 300 ? package.YearlyPrice : package.MonthlyPrice;
+        if (!amountDue.HasValue)
+        {
+            throw new InvalidOperationException("套餐价格未配置，无法生成账单。");
+        }
+
+        // 4. 生成账单明细
+        var lineItems = new List<BillingLineItem>
+        {
+            BillingLineItem.Create(
+                itemType: "Subscription",
+                description: $"套餐 {package.Name} 订阅费用",
+                quantity: 1,
+                unitPrice: amountDue.Value)
+        };
+
+        // 5. 构建账单实体
+        var now = DateTime.UtcNow;
+        return new TenantBillingStatement
+        {
+            Id = idGenerator.NextId(),
+            TenantId = subscription.TenantId,
+            StatementNo = GenerateStatementNo(),
+            BillingType = BillingType.Subscription,
+            SubscriptionId = subscription.Id,
+            PeriodStart = subscription.EffectiveFrom,
+            PeriodEnd = subscription.EffectiveTo,
+            AmountDue = amountDue.Value,
+            DiscountAmount = 0m,
+            TaxAmount = 0m,
+            AmountPaid = 0m,
+            Currency = "CNY",
+            Status = TenantBillingStatus.Pending,
+            DueDate = now.AddDays(7),
+            LineItemsJson = JsonSerializer.Serialize(lineItems),
+            Notes = subscription.Notes
+        };
+    }
+
+    /// <inheritdoc />
+    public Task<TenantBillingStatement> GenerateQuotaPurchaseBillingAsync(
+        long tenantId,
+        QuotaPackage quotaPackage,
+        int quantity,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(quotaPackage);
+
+        if (quantity <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(quantity), "购买数量必须大于 0。");
+        }
+
+        // 1. 计算金额
+        var amountDue = quotaPackage.Price * quantity;
+
+        // 2. 生成账单明细
+        var lineItems = new List<BillingLineItem>
+        {
+            BillingLineItem.Create(
+                itemType: "QuotaPurchase",
+                description: $"配额包 {quotaPackage.Name} × {quantity}",
+                quantity: quantity,
+                unitPrice: quotaPackage.Price)
+        };
+
+        // 3. 构建账单实体
+        var now = DateTime.UtcNow;
+        var billing = new TenantBillingStatement
+        {
+            Id = idGenerator.NextId(),
+            TenantId = tenantId,
+            StatementNo = GenerateStatementNo(),
+            BillingType = BillingType.QuotaPurchase,
+            SubscriptionId = null,
+            PeriodStart = now,
+            PeriodEnd = now,
+            AmountDue = amountDue,
+            DiscountAmount = 0m,
+            TaxAmount = 0m,
+            AmountPaid = 0m,
+            Currency = "CNY",
+            Status = TenantBillingStatus.Pending,
+            DueDate = now.AddDays(7),
+            LineItemsJson = JsonSerializer.Serialize(lineItems),
+            Notes = quotaPackage.Description
+        };
+
+        return Task.FromResult(billing);
+    }
+
+    /// <inheritdoc />
+    public string GenerateStatementNo()
+    {
+        // 1. 账单号格式：BILL-{yyyyMMdd}-{序号}
+        var date = DateTime.UtcNow.ToString("yyyyMMdd", CultureInfo.InvariantCulture);
+
+        // 2. 使用雪花 ID 作为全局递增序号，确保分布式唯一
+        var sequence = idGenerator.NextId();
+        return $"BILL-{date}-{sequence}";
+    }
+
+    /// <inheritdoc />
+    public async Task<int> ProcessOverdueBillingsAsync(CancellationToken cancellationToken = default)
+    {
+        var processedAt = DateTime.UtcNow;
+        var currentTenantId = tenantContextAccessor.Current?.TenantId ?? 0;
+        if (currentTenantId != 0)
+        {
+            return await ProcessOverdueBillingsSingleTenantAsync(processedAt, cancellationToken);
+        }
+
+        // 1. (空行后) 系统上下文：逐租户处理，避免跨租户写入
+        var tenants = await tenantRepository.SearchAsync(null, null, cancellationToken);
+        var targets = tenants.Where(x => x.Id > 0).ToList();
+        if (targets.Count == 0)
+        {
+            return 0;
+        }
+
+        var totalUpdated = 0;
+        foreach (var tenant in targets)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenant.Id, "billing:overdue", tenant.Code))
+            {
+                totalUpdated += await ProcessOverdueBillingsSingleTenantAsync(processedAt, cancellationToken);
+            }
+        }
+
+        return totalUpdated;
+    }
+
+    private async Task<int> ProcessOverdueBillingsSingleTenantAsync(DateTime processedAt, CancellationToken cancellationToken)
+    {
+        // 1. 查询当前租户已超过到期日且仍处于待支付的账单（由仓储按 DueDate + Status 筛选）
+        var overdueBillings = await billingRepository.GetOverdueBillingsAsync(cancellationToken);
+        if (overdueBillings.Count == 0)
+        {
+            return 0;
+        }
+
+        // 2. (空行后) 批量标记逾期（防御性：再次判断 Pending）
+        var updated = 0;
+        foreach (var billing in overdueBillings)
+        {
+            if (billing.Status != TenantBillingStatus.Pending)
+            {
+                continue;
+            }
+
+            billing.MarkAsOverdue();
+            billing.OverdueNotifiedAt ??= processedAt;
+            billing.UpdatedAt = processedAt;
+
+            await billingRepository.UpdateAsync(billing, cancellationToken);
+            updated++;
+        }
+
+        // 3. (空行后) 持久化
+        if (updated > 0)
+        {
+            await billingRepository.SaveChangesAsync(cancellationToken);
+        }
+
+        return updated;
+    }
+
+    /// <inheritdoc />
+    public decimal CalculateTotalAmount(decimal baseAmount, decimal discountAmount, decimal taxAmount)
+    {
+        return baseAmount - discountAmount + taxAmount;
+    }
+
+    /// <inheritdoc />
+    public bool CanProcessPayment(TenantBillingStatement billing)
+    {
+        ArgumentNullException.ThrowIfNull(billing);
+
+        return billing.Status switch
+        {
+            TenantBillingStatus.Pending => true,
+            TenantBillingStatus.Overdue => true,
+            _ => false
+        };
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/BillingExportService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/BillingExportService.cs
new file mode 100644
index 0000000..0fb69e2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/BillingExportService.cs
@@ -0,0 +1,203 @@
+using ClosedXML.Excel;
+using CsvHelper;
+using CsvHelper.Configuration;
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using System.Globalization;
+using System.Text;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Services;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// 账单导出服务实现（Excel/PDF/CSV）。
+/// </summary>
+public sealed class BillingExportService : IBillingExportService
+{
+    /// <summary>
+    /// 初始化导出服务并配置 QuestPDF 许可证。
+    /// </summary>
+    public BillingExportService()
+    {
+        QuestPDF.Settings.License = LicenseType.Community;
+    }
+
+    /// <inheritdoc />
+    public Task<byte[]> ExportToExcelAsync(IReadOnlyList<TenantBillingStatement> billings, CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(billings);
+
+        // 1. 创建工作簿与工作表
+        using var workbook = new XLWorkbook();
+        var worksheet = workbook.Worksheets.Add("Billings");
+
+        // 2. 写入表头
+        var headers = new[]
+        {
+            "Id", "TenantId", "StatementNo", "BillingType", "Status",
+            "PeriodStart", "PeriodEnd", "AmountDue", "DiscountAmount", "TaxAmount", "TotalAmount",
+            "AmountPaid", "Currency", "DueDate", "Notes", "LineItemsJson"
+        };
+
+        for (var i = 0; i < headers.Length; i++)
+        {
+            worksheet.Cell(1, i + 1).Value = headers[i];
+        }
+
+        // 3. 写入数据行
+        for (var rowIndex = 0; rowIndex < billings.Count; rowIndex++)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var billing = billings[rowIndex];
+            var totalAmount = billing.CalculateTotalAmount();
+            var r = rowIndex + 2;
+
+            worksheet.Cell(r, 1).Value = billing.Id;
+            worksheet.Cell(r, 2).Value = billing.TenantId;
+            worksheet.Cell(r, 3).Value = billing.StatementNo;
+            worksheet.Cell(r, 4).Value = billing.BillingType.ToString();
+            worksheet.Cell(r, 5).Value = billing.Status.ToString();
+            worksheet.Cell(r, 6).Value = billing.PeriodStart.ToString("O", CultureInfo.InvariantCulture);
+            worksheet.Cell(r, 7).Value = billing.PeriodEnd.ToString("O", CultureInfo.InvariantCulture);
+            worksheet.Cell(r, 8).Value = billing.AmountDue;
+            worksheet.Cell(r, 9).Value = billing.DiscountAmount;
+            worksheet.Cell(r, 10).Value = billing.TaxAmount;
+            worksheet.Cell(r, 11).Value = totalAmount;
+            worksheet.Cell(r, 12).Value = billing.AmountPaid;
+            worksheet.Cell(r, 13).Value = billing.Currency;
+            worksheet.Cell(r, 14).Value = billing.DueDate.ToString("O", CultureInfo.InvariantCulture);
+            worksheet.Cell(r, 15).Value = billing.Notes ?? string.Empty;
+            worksheet.Cell(r, 16).Value = billing.LineItemsJson ?? string.Empty;
+        }
+
+        // 4. 自动调整列宽并输出
+        worksheet.Columns().AdjustToContents();
+
+        using var stream = new MemoryStream();
+        workbook.SaveAs(stream);
+        return Task.FromResult(stream.ToArray());
+    }
+
+    /// <inheritdoc />
+    public Task<byte[]> ExportToPdfAsync(IReadOnlyList<TenantBillingStatement> billings, CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(billings);
+
+        // 1. 生成 PDF 文档（避免复杂表格，按条目输出）
+        var document = Document.Create(container =>
+        {
+            container.Page(page =>
+            {
+                page.Size(PageSizes.A4);
+                page.Margin(20);
+                page.DefaultTextStyle(x => x.FontSize(10));
+
+                page.Content().Column(column =>
+                {
+                    column.Spacing(6);
+
+                    // 2. 标题
+                    column.Item().Text("Billings Export").FontSize(16).SemiBold();
+
+                    // 3. 逐条输出
+                    for (var i = 0; i < billings.Count; i++)
+                    {
+                        cancellationToken.ThrowIfCancellationRequested();
+
+                        var b = billings[i];
+                        var total = b.CalculateTotalAmount();
+
+                        column.Item().Border(1).BorderColor(Colors.Grey.Lighten2).Padding(8).Column(item =>
+                        {
+                            item.Spacing(2);
+                            item.Item().Text($"StatementNo: {b.StatementNo}");
+                            item.Item().Text($"TenantId: {b.TenantId}    BillingType: {b.BillingType}    Status: {b.Status}");
+                            item.Item().Text($"Period: {b.PeriodStart:yyyy-MM-dd} ~ {b.PeriodEnd:yyyy-MM-dd}    DueDate: {b.DueDate:yyyy-MM-dd}");
+                            item.Item().Text($"AmountDue: {b.AmountDue:0.##}    Discount: {b.DiscountAmount:0.##}    Tax: {b.TaxAmount:0.##}");
+                            item.Item().Text($"Total: {total:0.##}    Paid: {b.AmountPaid:0.##}    Currency: {b.Currency}");
+
+                            if (!string.IsNullOrWhiteSpace(b.Notes))
+                            {
+                                item.Item().Text($"Notes: {b.Notes}");
+                            }
+                        });
+                    }
+                });
+            });
+        });
+
+        // 4. 输出字节
+        var bytes = document.GeneratePdf();
+        return Task.FromResult(bytes);
+    }
+
+    /// <inheritdoc />
+    public async Task<byte[]> ExportToCsvAsync(IReadOnlyList<TenantBillingStatement> billings, CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(billings);
+
+        // 1. 使用 UTF-8 BOM，便于 Excel 直接打开
+        await using var stream = new MemoryStream();
+        await using var writer = new StreamWriter(stream, new UTF8Encoding(encoderShouldEmitUTF8Identifier: true), leaveOpen: true);
+
+        var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+        {
+            HasHeaderRecord = true
+        };
+
+        await using var csv = new CsvWriter(writer, config);
+
+        // 2. 写入表头
+        csv.WriteField("Id");
+        csv.WriteField("TenantId");
+        csv.WriteField("StatementNo");
+        csv.WriteField("BillingType");
+        csv.WriteField("Status");
+        csv.WriteField("PeriodStart");
+        csv.WriteField("PeriodEnd");
+        csv.WriteField("AmountDue");
+        csv.WriteField("DiscountAmount");
+        csv.WriteField("TaxAmount");
+        csv.WriteField("TotalAmount");
+        csv.WriteField("AmountPaid");
+        csv.WriteField("Currency");
+        csv.WriteField("DueDate");
+        csv.WriteField("Notes");
+        csv.WriteField("LineItemsJson");
+        await csv.NextRecordAsync();
+
+        // 3. 写入数据行
+        foreach (var b in billings)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var total = b.CalculateTotalAmount();
+
+            csv.WriteField(b.Id);
+            csv.WriteField(b.TenantId);
+            csv.WriteField(b.StatementNo);
+            csv.WriteField(b.BillingType.ToString());
+            csv.WriteField(b.Status.ToString());
+            csv.WriteField(b.PeriodStart.ToString("O", CultureInfo.InvariantCulture));
+            csv.WriteField(b.PeriodEnd.ToString("O", CultureInfo.InvariantCulture));
+            csv.WriteField(b.AmountDue);
+            csv.WriteField(b.DiscountAmount);
+            csv.WriteField(b.TaxAmount);
+            csv.WriteField(total);
+            csv.WriteField(b.AmountPaid);
+            csv.WriteField(b.Currency);
+            csv.WriteField(b.DueDate.ToString("O", CultureInfo.InvariantCulture));
+            csv.WriteField(b.Notes ?? string.Empty);
+            csv.WriteField(b.LineItemsJson ?? string.Empty);
+
+            await csv.NextRecordAsync();
+        }
+
+        // 4. Flush 并返回字节
+        await writer.FlushAsync(cancellationToken);
+        return stream.ToArray();
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/DeliveryZoneService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/DeliveryZoneService.cs
new file mode 100644
index 0000000..4bb6c84
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/DeliveryZoneService.cs
@@ -0,0 +1,375 @@
+using System.Globalization;
+using System.Linq;
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// 配送范围检测服务实现。
+/// </summary>
+public sealed class DeliveryZoneService : IDeliveryZoneService
+{
+    private const double CoordinateTolerance = 1e-6;
+
+    /// <inheritdoc />
+    public StoreDeliveryCheckResultDto CheckPointInZones(
+        IReadOnlyList<StoreDeliveryZone> zones,
+        double longitude,
+        double latitude)
+    {
+        // 1. 无配送区域直接返回
+        if (zones is null || zones.Count == 0)
+        {
+            return new StoreDeliveryCheckResultDto { InRange = false };
+        }
+        // 2. (空行后) 逐个检测多边形命中
+        foreach (var zone in zones)
+        {
+            if (!TryReadPolygons(zone.PolygonGeoJson, out var polygons))
+            {
+                continue;
+            }
+            foreach (var polygon in polygons)
+            {
+                if (!IsPointInPolygon(polygon, longitude, latitude))
+                {
+                    continue;
+                }
+                return new StoreDeliveryCheckResultDto
+                {
+                    InRange = true,
+                    DeliveryZoneId = zone.Id,
+                    DeliveryZoneName = zone.ZoneName
+                };
+            }
+        }
+        // 3. (空行后) 未命中任何区域
+        return new StoreDeliveryCheckResultDto { InRange = false };
+    }
+
+    private static bool TryReadPolygons(string geoJson, out List<Polygon> polygons)
+    {
+        polygons = [];
+        if (string.IsNullOrWhiteSpace(geoJson))
+        {
+            return false;
+        }
+        try
+        {
+            using var document = JsonDocument.Parse(geoJson);
+            if (!TryReadPolygons(document.RootElement, polygons))
+            {
+                return false;
+            }
+            return polygons.Count > 0;
+        }
+        catch (JsonException)
+        {
+            return false;
+        }
+    }
+
+    private static bool TryReadPolygons(JsonElement root, ICollection<Polygon> polygons)
+    {
+        if (root.ValueKind == JsonValueKind.String)
+        {
+            var inner = root.GetString();
+            if (string.IsNullOrWhiteSpace(inner))
+            {
+                return false;
+            }
+            using var innerDocument = JsonDocument.Parse(inner);
+            return TryReadPolygons(innerDocument.RootElement, polygons);
+        }
+
+        if (root.ValueKind != JsonValueKind.Object)
+        {
+            return false;
+        }
+
+        if (!TryGetPropertyIgnoreCase(root, "type", out var typeElement)
+            || typeElement.ValueKind != JsonValueKind.String)
+        {
+            return false;
+        }
+
+        var type = typeElement.GetString();
+        if (string.Equals(type, "FeatureCollection", StringComparison.OrdinalIgnoreCase))
+        {
+            if (!TryGetPropertyIgnoreCase(root, "features", out var featuresElement)
+                || featuresElement.ValueKind != JsonValueKind.Array)
+            {
+                return false;
+            }
+
+            foreach (var featureElement in featuresElement.EnumerateArray())
+            {
+                if (featureElement.ValueKind != JsonValueKind.Object)
+                {
+                    continue;
+                }
+                if (!TryGetPropertyIgnoreCase(featureElement, "geometry", out var geometryElement))
+                {
+                    continue;
+                }
+                TryReadPolygons(geometryElement, polygons);
+            }
+            return polygons.Count > 0;
+        }
+
+        if (string.Equals(type, "Feature", StringComparison.OrdinalIgnoreCase))
+        {
+            if (!TryGetPropertyIgnoreCase(root, "geometry", out var geometryElement))
+            {
+                return false;
+            }
+            return TryReadPolygons(geometryElement, polygons);
+        }
+
+        if (string.Equals(type, "Polygon", StringComparison.OrdinalIgnoreCase))
+        {
+            if (!TryGetPropertyIgnoreCase(root, "coordinates", out var coordinatesElement))
+            {
+                return false;
+            }
+            if (!TryReadPolygonFromCoordinates(coordinatesElement, out var polygon))
+            {
+                return false;
+            }
+            polygons.Add(polygon);
+            return true;
+        }
+
+        if (string.Equals(type, "MultiPolygon", StringComparison.OrdinalIgnoreCase))
+        {
+            if (!TryGetPropertyIgnoreCase(root, "coordinates", out var coordinatesElement)
+                || coordinatesElement.ValueKind != JsonValueKind.Array)
+            {
+                return false;
+            }
+
+            foreach (var polygonElement in coordinatesElement.EnumerateArray())
+            {
+                if (!TryReadPolygonFromCoordinates(polygonElement, out var polygon))
+                {
+                    continue;
+                }
+                polygons.Add(polygon);
+            }
+            return polygons.Count > 0;
+        }
+
+        return false;
+    }
+
+    private static bool TryReadPolygonFromCoordinates(JsonElement coordinatesElement, out Polygon polygon)
+    {
+        polygon = default!;
+        if (!TryReadRings(coordinatesElement, out var rings) || rings.Count == 0)
+        {
+            return false;
+        }
+        var outer = rings[0];
+        if (outer.Count < 3)
+        {
+            return false;
+        }
+        var holes = rings.Count > 1 ? rings.Skip(1).ToList() : [];
+        polygon = new Polygon(outer, holes);
+        return true;
+    }
+
+    private static bool TryReadRings(JsonElement element, out List<List<Point>> rings)
+    {
+        rings = [];
+        if (element.ValueKind != JsonValueKind.Array || element.GetArrayLength() == 0)
+        {
+            return false;
+        }
+
+        if (IsPositionArray(element[0]))
+        {
+            if (!TryReadRing(element, out var ring))
+            {
+                return false;
+            }
+            rings.Add(ring);
+            return true;
+        }
+
+        foreach (var ringElement in element.EnumerateArray())
+        {
+            if (!TryReadRing(ringElement, out var ring))
+            {
+                return false;
+            }
+            rings.Add(ring);
+        }
+
+        return rings.Count > 0;
+    }
+
+    private static bool TryReadRing(JsonElement ringElement, out List<Point> ring)
+    {
+        ring = [];
+        if (ringElement.ValueKind != JsonValueKind.Array)
+        {
+            return false;
+        }
+
+        foreach (var pointElement in ringElement.EnumerateArray())
+        {
+            if (!TryReadPosition(pointElement, out var point))
+            {
+                return false;
+            }
+            ring.Add(point);
+        }
+
+        if (ring.Count >= 2 && AreSamePoint(ring[0], ring[^1]))
+        {
+            ring.RemoveAt(ring.Count - 1);
+        }
+
+        return ring.Count >= 3;
+    }
+
+    private static bool TryReadPosition(JsonElement pointElement, out Point point)
+    {
+        point = default;
+        if (pointElement.ValueKind != JsonValueKind.Array || pointElement.GetArrayLength() < 2)
+        {
+            return false;
+        }
+
+        if (!TryGetCoordinate(pointElement[0], out var longitude)
+            || !TryGetCoordinate(pointElement[1], out var latitude))
+        {
+            return false;
+        }
+
+        point = new Point(longitude, latitude);
+        return true;
+    }
+
+    private static bool TryGetCoordinate(JsonElement element, out double value)
+    {
+        value = 0;
+        if (element.ValueKind == JsonValueKind.Number)
+        {
+            return element.TryGetDouble(out value);
+        }
+        if (element.ValueKind == JsonValueKind.String)
+        {
+            return double.TryParse(element.GetString(), NumberStyles.Float, CultureInfo.InvariantCulture, out value);
+        }
+        return false;
+    }
+
+    private static bool IsPositionArray(JsonElement element)
+        => element.ValueKind == JsonValueKind.Array
+           && element.GetArrayLength() >= 2
+           && TryGetCoordinate(element[0], out _)
+           && TryGetCoordinate(element[1], out _);
+
+    private static bool TryGetPropertyIgnoreCase(JsonElement element, string propertyName, out JsonElement value)
+    {
+        if (element.TryGetProperty(propertyName, out value))
+        {
+            return true;
+        }
+
+        foreach (var property in element.EnumerateObject())
+        {
+            if (string.Equals(property.Name, propertyName, StringComparison.OrdinalIgnoreCase))
+            {
+                value = property.Value;
+                return true;
+            }
+        }
+
+        value = default;
+        return false;
+    }
+
+    private static bool IsPointInPolygon(Polygon polygon, double x, double y)
+    {
+        if (!IsPointInRing(polygon.Outer, x, y))
+        {
+            return false;
+        }
+
+        foreach (var hole in polygon.Holes)
+        {
+            if (IsPointInRing(hole, x, y))
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private static bool IsPointInRing(IReadOnlyList<Point> ring, double x, double y)
+    {
+        if (IsPointOnBoundary(ring, x, y))
+        {
+            return true;
+        }
+
+        var inside = false;
+        for (var i = 0; i < ring.Count; i++)
+        {
+            var j = i == 0 ? ring.Count - 1 : i - 1;
+            var xi = ring[i].Longitude;
+            var yi = ring[i].Latitude;
+            var xj = ring[j].Longitude;
+            var yj = ring[j].Latitude;
+            var intersects = ((yi > y) != (yj > y)) && (x < (xj - xi) * (y - yi) / (yj - yi + double.Epsilon) + xi);
+            if (intersects)
+            {
+                inside = !inside;
+            }
+        }
+
+        return inside;
+    }
+
+    private static bool IsPointOnBoundary(IReadOnlyList<Point> ring, double x, double y)
+    {
+        for (var i = 0; i < ring.Count; i++)
+        {
+            var j = i == ring.Count - 1 ? 0 : i + 1;
+            if (IsPointOnSegment(ring[i], ring[j], x, y))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static bool IsPointOnSegment(Point start, Point end, double x, double y)
+    {
+        var cross = (end.Longitude - start.Longitude) * (y - start.Latitude)
+                    - (end.Latitude - start.Latitude) * (x - start.Longitude);
+        if (Math.Abs(cross) > CoordinateTolerance)
+        {
+            return false;
+        }
+
+        var dot = (x - start.Longitude) * (x - end.Longitude)
+                  + (y - start.Latitude) * (y - end.Latitude);
+        return dot <= CoordinateTolerance;
+    }
+
+    private static bool AreSamePoint(Point first, Point second)
+        => Math.Abs(first.Longitude - second.Longitude) <= CoordinateTolerance
+           && Math.Abs(first.Latitude - second.Latitude) <= CoordinateTolerance;
+
+    private readonly record struct Point(double Longitude, double Latitude);
+
+    private sealed record Polygon(IReadOnlyList<Point> Outer, IReadOnlyList<IReadOnlyList<Point>> Holes);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/GeoJsonValidationService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/GeoJsonValidationService.cs
new file mode 100644
index 0000000..272acb3
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/GeoJsonValidationService.cs
@@ -0,0 +1,221 @@
+using System.Text.Json;
+using TakeoutSaaS.Application.App.Stores.Services;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// GeoJSON 校验服务实现。
+/// </summary>
+public sealed class GeoJsonValidationService : IGeoJsonValidationService
+{
+    private const double CoordinateTolerance = 1e-6;
+
+    /// <inheritdoc />
+    public GeoJsonValidationResult ValidatePolygon(string geoJson)
+    {
+        // 1. 基础校验
+        if (string.IsNullOrWhiteSpace(geoJson))
+        {
+            return BuildInvalid("GeoJSON 不能为空");
+        }
+        // 2. (空行后) 解析与验证结构
+        try
+        {
+            using var document = JsonDocument.Parse(geoJson);
+            var root = document.RootElement;
+            if (root.ValueKind != JsonValueKind.Object)
+            {
+                return BuildInvalid("GeoJSON 格式错误");
+            }
+            if (!root.TryGetProperty("type", out var typeElement) || typeElement.ValueKind != JsonValueKind.String)
+            {
+                return BuildInvalid("GeoJSON 缺少 type");
+            }
+            var type = typeElement.GetString();
+            if (!string.Equals(type, "Polygon", StringComparison.OrdinalIgnoreCase))
+            {
+                return BuildInvalid("仅支持 Polygon 类型");
+            }
+            if (!root.TryGetProperty("coordinates", out var coordinatesElement) || coordinatesElement.ValueKind != JsonValueKind.Array)
+            {
+                return BuildInvalid("GeoJSON 缺少 coordinates");
+            }
+            if (coordinatesElement.GetArrayLength() == 0)
+            {
+                return BuildInvalid("GeoJSON coordinates 为空");
+            }
+            var ringElement = coordinatesElement[0];
+            if (ringElement.ValueKind != JsonValueKind.Array)
+            {
+                return BuildInvalid("GeoJSON 坐标格式错误");
+            }
+            var points = new List<Point>();
+            foreach (var pointElement in ringElement.EnumerateArray())
+            {
+                if (pointElement.ValueKind != JsonValueKind.Array || pointElement.GetArrayLength() < 2)
+                {
+                    return BuildInvalid("坐标点格式错误");
+                }
+                if (!pointElement[0].TryGetDouble(out var longitude) || !pointElement[1].TryGetDouble(out var latitude))
+                {
+                    return BuildInvalid("坐标点必须为数值");
+                }
+                points.Add(new Point(longitude, latitude));
+            }
+            if (points.Count < 3)
+            {
+                return BuildInvalid("多边形至少需要 3 个点");
+            }
+            var distinctCount = CountDistinct(points);
+            if (distinctCount < 3)
+            {
+                return BuildInvalid("多边形坐标点不足");
+            }
+            var normalized = Normalize(points, out var normalizedJson);
+            if (normalized.Count < 4)
+            {
+                return BuildInvalid("多边形至少需要 4 个点（含闭合点）");
+            }
+            if (HasSelfIntersection(normalized))
+            {
+                return BuildInvalid("多边形存在自相交");
+            }
+            return new GeoJsonValidationResult
+            {
+                IsValid = true,
+                NormalizedGeoJson = normalizedJson
+            };
+        }
+        catch (JsonException)
+        {
+            return BuildInvalid("GeoJSON 解析失败");
+        }
+    }
+
+    private static GeoJsonValidationResult BuildInvalid(string message) => new()
+    {
+        IsValid = false,
+        ErrorMessage = message
+    };
+
+    private static int CountDistinct(IReadOnlyList<Point> points)
+    {
+        var distinct = new List<Point>();
+        foreach (var point in points)
+        {
+            if (distinct.Any(existing => AreSamePoint(existing, point)))
+            {
+                continue;
+            }
+            distinct.Add(point);
+        }
+        return distinct.Count;
+    }
+
+    private static List<Point> Normalize(IReadOnlyList<Point> points, out string? normalizedJson)
+    {
+        var normalized = new List<Point>(points);
+        if (!AreSamePoint(normalized[0], normalized[^1]))
+        {
+            normalized.Add(normalized[0]);
+            normalizedJson = BuildGeoJson(normalized);
+            return normalized;
+        }
+        normalizedJson = null;
+        return normalized;
+    }
+
+    private static string BuildGeoJson(IReadOnlyList<Point> points)
+    {
+        var coordinates = points
+            .Select(point => new[] { point.Longitude, point.Latitude })
+            .ToArray();
+        var payload = new Dictionary<string, object?>
+        {
+            { "type", "Polygon" },
+            { "coordinates", new[] { coordinates } }
+        };
+        return JsonSerializer.Serialize(payload);
+    }
+
+    private static bool HasSelfIntersection(IReadOnlyList<Point> points)
+    {
+        var segmentCount = points.Count - 1;
+        for (var i = 0; i < segmentCount; i++)
+        {
+            var a1 = points[i];
+            var a2 = points[i + 1];
+            for (var j = i + 1; j < segmentCount; j++)
+            {
+                if (Math.Abs(i - j) <= 1)
+                {
+                    continue;
+                }
+                if (i == 0 && j == segmentCount - 1)
+                {
+                    continue;
+                }
+                var b1 = points[j];
+                var b2 = points[j + 1];
+                if (SegmentsIntersect(a1, a2, b1, b2))
+                {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private static bool SegmentsIntersect(Point p1, Point q1, Point p2, Point q2)
+    {
+        var o1 = Orientation(p1, q1, p2);
+        var o2 = Orientation(p1, q1, q2);
+        var o3 = Orientation(p2, q2, p1);
+        var o4 = Orientation(p2, q2, q1);
+
+        if (o1 != o2 && o3 != o4)
+        {
+            return true;
+        }
+        if (o1 == 0 && OnSegment(p1, p2, q1))
+        {
+            return true;
+        }
+        if (o2 == 0 && OnSegment(p1, q2, q1))
+        {
+            return true;
+        }
+        if (o3 == 0 && OnSegment(p2, p1, q2))
+        {
+            return true;
+        }
+        if (o4 == 0 && OnSegment(p2, q1, q2))
+        {
+            return true;
+        }
+        return false;
+    }
+
+    private static int Orientation(Point p, Point q, Point r)
+    {
+        var value = (q.Latitude - p.Latitude) * (r.Longitude - q.Longitude)
+                    - (q.Longitude - p.Longitude) * (r.Latitude - q.Latitude);
+        if (Math.Abs(value) <= CoordinateTolerance)
+        {
+            return 0;
+        }
+        return value > 0 ? 1 : 2;
+    }
+
+    private static bool OnSegment(Point p, Point q, Point r)
+        => q.Longitude <= Math.Max(p.Longitude, r.Longitude) + CoordinateTolerance
+           && q.Longitude >= Math.Min(p.Longitude, r.Longitude) - CoordinateTolerance
+           && q.Latitude <= Math.Max(p.Latitude, r.Latitude) + CoordinateTolerance
+           && q.Latitude >= Math.Min(p.Latitude, r.Latitude) - CoordinateTolerance;
+
+    private static bool AreSamePoint(Point first, Point second)
+        => Math.Abs(first.Longitude - second.Longitude) <= CoordinateTolerance
+           && Math.Abs(first.Latitude - second.Latitude) <= CoordinateTolerance;
+
+    private readonly record struct Point(double Longitude, double Latitude);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/MerchantExportService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/MerchantExportService.cs
new file mode 100644
index 0000000..dd56293
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/MerchantExportService.cs
@@ -0,0 +1,152 @@
+using QuestPDF.Fluent;
+using QuestPDF.Helpers;
+using QuestPDF.Infrastructure;
+using System.Globalization;
+using TakeoutSaaS.Domain.Common.Enums;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// 商户导出服务实现（PDF）。
+/// </summary>
+public sealed class MerchantExportService : IMerchantExportService
+{
+    public MerchantExportService()
+    {
+        QuestPDF.Settings.License = LicenseType.Community;
+    }
+
+    /// <inheritdoc />
+    public Task<byte[]> ExportToPdfAsync(
+        Merchant merchant,
+        string? tenantName,
+        IReadOnlyList<Store> stores,
+        IReadOnlyList<MerchantAuditLog> auditLogs,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(merchant);
+
+        var safeStores = stores ?? Array.Empty<Store>();
+        var safeAuditLogs = auditLogs ?? Array.Empty<MerchantAuditLog>();
+
+        var document = Document.Create(container =>
+        {
+            container.Page(page =>
+            {
+                page.Size(PageSizes.A4);
+                page.Margin(24);
+                page.DefaultTextStyle(x => x.FontSize(10));
+
+                page.Content().Column(column =>
+                {
+                    column.Spacing(10);
+                    column.Item().Text("Merchant Export").FontSize(16).SemiBold();
+
+                    column.Item().Element(section => BuildBasicSection(section, merchant, tenantName));
+                    column.Item().Element(section => BuildStoresSection(section, safeStores, cancellationToken));
+                    column.Item().Element(section => BuildAuditSection(section, safeAuditLogs, cancellationToken));
+                });
+            });
+        });
+
+        return Task.FromResult(document.GeneratePdf());
+    }
+
+    private static void BuildBasicSection(IContainer container, Merchant merchant, string? tenantName)
+    {
+        container.Border(1).BorderColor(Colors.Grey.Lighten2).Padding(10).Column(column =>
+        {
+            column.Spacing(4);
+            column.Item().Text("Basic Information").SemiBold();
+            column.Item().Text($"Merchant: {merchant.BrandName}");
+            column.Item().Text($"Tenant: {tenantName ?? "-"} (ID: {merchant.TenantId})");
+            column.Item().Text($"Operating Mode: {ResolveOperatingMode(merchant.OperatingMode)}");
+            column.Item().Text($"Status: {merchant.Status}");
+            column.Item().Text($"Frozen: {(merchant.IsFrozen ? "Yes" : "No")}");
+            column.Item().Text($"License Number: {merchant.BusinessLicenseNumber ?? "-"}");
+            column.Item().Text($"Legal Representative: {merchant.LegalPerson ?? "-"}");
+            column.Item().Text($"Registered Address: {merchant.Address ?? "-"}");
+            column.Item().Text($"Contact Phone: {merchant.ContactPhone}");
+            column.Item().Text($"Contact Email: {merchant.ContactEmail ?? "-"}");
+            column.Item().Text($"Approved At: {FormatDateTime(merchant.ApprovedAt)}");
+            column.Item().Text($"Approved By: {merchant.ApprovedBy?.ToString() ?? "-"}");
+        });
+    }
+
+    private static void BuildStoresSection(IContainer container, IReadOnlyList<Store> stores, CancellationToken cancellationToken)
+    {
+        container.Border(1).BorderColor(Colors.Grey.Lighten2).Padding(10).Column(column =>
+        {
+            column.Spacing(4);
+            column.Item().Text("Stores").SemiBold();
+
+            if (stores.Count == 0)
+            {
+                column.Item().Text("No stores.");
+                return;
+            }
+
+            for (var i = 0; i < stores.Count; i++)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var store = stores[i];
+                column.Item().Text($"{i + 1}. {store.Name} | {ResolveStoreStatus(store.Status)} | {store.Address ?? "-"} | {store.Phone ?? "-"}");
+            }
+        });
+    }
+
+    private static void BuildAuditSection(IContainer container, IReadOnlyList<MerchantAuditLog> auditLogs, CancellationToken cancellationToken)
+    {
+        container.Border(1).BorderColor(Colors.Grey.Lighten2).Padding(10).Column(column =>
+        {
+            column.Spacing(4);
+            column.Item().Text("Audit History").SemiBold();
+
+            if (auditLogs.Count == 0)
+            {
+                column.Item().Text("No audit records.");
+                return;
+            }
+
+            for (var i = 0; i < auditLogs.Count; i++)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var log = auditLogs[i];
+                var title = string.IsNullOrWhiteSpace(log.Title) ? log.Action.ToString() : log.Title;
+                column.Item().Text($"{i + 1}. {title} | {log.OperatorName ?? "-"} | {FormatDateTime(log.CreatedAt)}");
+                if (!string.IsNullOrWhiteSpace(log.Description))
+                {
+                    column.Item().Text($"   {log.Description}");
+                }
+            }
+        });
+    }
+
+    private static string ResolveOperatingMode(OperatingMode? mode)
+        => mode switch
+        {
+            OperatingMode.SameEntity => "SameEntity",
+            OperatingMode.DifferentEntity => "DifferentEntity",
+            _ => "-"
+        };
+
+    private static string ResolveStoreStatus(StoreStatus status)
+        => status switch
+        {
+            StoreStatus.Closed => "Closed",
+            StoreStatus.Preparing => "Preparing",
+            StoreStatus.Operating => "Operating",
+            StoreStatus.Suspended => "Suspended",
+            _ => status.ToString()
+        };
+
+    private static string FormatDateTime(DateTime? value)
+        => value.HasValue ? value.Value.ToString("yyyy-MM-dd HH:mm", CultureInfo.InvariantCulture) : "-";
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/StoreFeeCalculationService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/StoreFeeCalculationService.cs
new file mode 100644
index 0000000..1873ef0
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/StoreFeeCalculationService.cs
@@ -0,0 +1,125 @@
+using System.Globalization;
+using TakeoutSaaS.Application.App.Stores;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// 门店费用计算服务实现。
+/// </summary>
+public sealed class StoreFeeCalculationService : IStoreFeeCalculationService
+{
+    /// <inheritdoc />
+    public StoreFeeCalculationResultDto Calculate(StoreFee fee, StoreFeeCalculationRequestDto request)
+    {
+        // 1. 计算起送费满足情况
+        var minimum = fee.MinimumOrderAmount;
+        if (request.OrderAmount < minimum)
+        {
+            var shortfall = minimum - request.OrderAmount;
+            var message = $"还差{shortfall.ToString("0.##", CultureInfo.InvariantCulture)}元起送";
+            return new StoreFeeCalculationResultDto
+            {
+                OrderAmount = request.OrderAmount,
+                MinimumOrderAmount = minimum,
+                MeetsMinimum = false,
+                Shortfall = shortfall,
+                DeliveryFee = 0m,
+                PackagingFee = 0m,
+                PackagingFeeMode = fee.PackagingFeeMode,
+                OrderPackagingFeeMode = fee.OrderPackagingFeeMode,
+                TotalFee = 0m,
+                TotalAmount = request.OrderAmount,
+                Message = message
+            };
+        }
+
+        // 2. (空行后) 计算配送费
+        var deliveryFee = fee.BaseDeliveryFee;
+        if (fee.FreeDeliveryThreshold.HasValue && request.OrderAmount >= fee.FreeDeliveryThreshold.Value)
+        {
+            deliveryFee = 0m;
+        }
+
+        // 3. (空行后) 计算打包费
+        var packagingFee = 0m;
+        IReadOnlyList<StoreFeeCalculationBreakdownDto>? breakdown = null;
+        if (fee.PackagingFeeMode == PackagingFeeMode.Fixed)
+        {
+            if (fee.OrderPackagingFeeMode == OrderPackagingFeeMode.Tiered)
+            {
+                var tiers = StoreFeeTierHelper.Deserialize(fee.PackagingFeeTiersJson);
+                if (tiers.Count == 0)
+                {
+                    throw new BusinessException(ErrorCodes.ValidationFailed, "阶梯打包费配置缺失");
+                }
+                packagingFee = ResolveTieredFee(request.OrderAmount, tiers);
+            }
+            else
+            {
+                packagingFee = fee.FixedPackagingFee;
+            }
+        }
+        else
+        {
+            if (request.Items.Count == 0)
+            {
+                throw new BusinessException(ErrorCodes.ValidationFailed, "商品计费模式必须提供商品列表");
+            }
+            var list = new List<StoreFeeCalculationBreakdownDto>(request.Items.Count);
+            foreach (var item in request.Items)
+            {
+                var subtotal = item.PackagingFee * item.Quantity;
+                packagingFee += subtotal;
+                list.Add(new StoreFeeCalculationBreakdownDto
+                {
+                    SkuId = item.SkuId,
+                    Quantity = item.Quantity,
+                    UnitFee = item.PackagingFee,
+                    Subtotal = subtotal
+                });
+            }
+            breakdown = list;
+        }
+
+        // 4. (空行后) 汇总结果
+        var totalFee = deliveryFee + packagingFee;
+        var totalAmount = request.OrderAmount + totalFee;
+        return new StoreFeeCalculationResultDto
+        {
+            OrderAmount = request.OrderAmount,
+            MinimumOrderAmount = minimum,
+            MeetsMinimum = true,
+            DeliveryFee = deliveryFee,
+            PackagingFee = packagingFee,
+            PackagingFeeMode = fee.PackagingFeeMode,
+            OrderPackagingFeeMode = fee.OrderPackagingFeeMode,
+            PackagingFeeBreakdown = breakdown,
+            TotalFee = totalFee,
+            TotalAmount = totalAmount
+        };
+    }
+
+    private static decimal ResolveTieredFee(decimal orderAmount, IReadOnlyList<StoreFeeTierDto> tiers)
+    {
+        foreach (var tier in tiers)
+        {
+            if (orderAmount < tier.MinPrice)
+            {
+                continue;
+            }
+
+            if (!tier.MaxPrice.HasValue || orderAmount <= tier.MaxPrice.Value)
+            {
+                return tier.Fee;
+            }
+        }
+
+        return tiers[^1].Fee;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/StoreSchedulerService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/StoreSchedulerService.cs
new file mode 100644
index 0000000..621b02a
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Services/StoreSchedulerService.cs
@@ -0,0 +1,302 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.App.Services;
+
+/// <summary>
+/// 门店定时任务服务实现。
+/// </summary>
+public sealed class StoreSchedulerService(
+    TakeoutAppDbContext context,
+    ITenantContextAccessor tenantContextAccessor,
+    ILogger<StoreSchedulerService> logger)
+    : IStoreSchedulerService
+{
+    /// <inheritdoc />
+    public async Task<int> AutoSwitchBusinessStatusAsync(DateTime now, CancellationToken cancellationToken)
+    {
+        var currentTenantId = tenantContextAccessor.Current?.TenantId ?? 0;
+        if (currentTenantId != 0)
+        {
+            return await AutoSwitchBusinessStatusSingleTenantAsync(now, cancellationToken);
+        }
+
+        var tenants = await context.Tenants
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.Id > 0)
+            .Select(x => new { x.Id, x.Code })
+            .ToListAsync(cancellationToken);
+        if (tenants.Count == 0)
+        {
+            return 0;
+        }
+
+        var totalUpdated = 0;
+        foreach (var tenant in tenants)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenant.Id, "scheduler", tenant.Code))
+            {
+                totalUpdated += await AutoSwitchBusinessStatusSingleTenantAsync(now, cancellationToken);
+            }
+        }
+
+        return totalUpdated;
+    }
+
+    private async Task<int> AutoSwitchBusinessStatusSingleTenantAsync(DateTime now, CancellationToken cancellationToken)
+    {
+        // 1. 读取候选门店
+        var stores = await context.Stores
+            .Where(store => store.DeletedAt == null
+                && store.AuditStatus == StoreAuditStatus.Activated
+                && store.BusinessStatus != StoreBusinessStatus.ForceClosed)
+            .ToListAsync(cancellationToken);
+        if (stores.Count == 0)
+        {
+            return 0;
+        }
+
+        // 2. (空行后) 读取营业时段与休息日
+        var storeIds = stores.Select(store => store.Id).ToArray();
+        var hours = await context.StoreBusinessHours
+            .AsNoTracking()
+            .Where(hour => storeIds.Contains(hour.StoreId))
+            .ToListAsync(cancellationToken);
+        var today = now.Date;
+        var holidays = await context.StoreHolidays
+            .AsNoTracking()
+            .Where(holiday => storeIds.Contains(holiday.StoreId)
+                && holiday.Date <= today
+                && (holiday.EndDate == null || holiday.EndDate >= today))
+            .ToListAsync(cancellationToken);
+
+        // 3. (空行后) 构造查找表
+        var hoursLookup = hours
+            .GroupBy(hour => hour.StoreId)
+            .ToDictionary(group => group.Key, group => (IReadOnlyList<StoreBusinessHour>)group.ToList());
+        var holidayLookup = holidays
+            .GroupBy(holiday => holiday.StoreId)
+            .ToDictionary(group => group.Key, group => (IReadOnlyList<StoreHoliday>)group.ToList());
+
+        // 4. (空行后) 判定状态并更新
+        var updated = 0;
+        foreach (var store in stores)
+        {
+            // 4.1 跳过强制关闭门店
+            if (store.BusinessStatus == StoreBusinessStatus.ForceClosed)
+            {
+                continue;
+            }
+
+            // 4.2 (空行后) 尊重手动歇业原因
+            if (store.ClosureReason.HasValue && store.ClosureReason != StoreClosureReason.OutOfBusinessHours)
+            {
+                continue;
+            }
+
+            // 4.3 (空行后) 计算营业状态
+            var storeHolidays = holidayLookup.TryGetValue(store.Id, out var matched) ? matched : [];
+            var nowTime = now.TimeOfDay;
+            var isHolidayClosed = storeHolidays.Any(holiday =>
+                holiday.OverrideType == OverrideType.Closed && IsWithinHolidayTime(holiday, nowTime));
+            var hasModifiedHours = storeHolidays.Any(holiday => holiday.OverrideType == OverrideType.ModifiedHours);
+            var isModifiedOpen = hasModifiedHours && storeHolidays.Any(holiday =>
+                holiday.OverrideType == OverrideType.ModifiedHours && IsWithinHolidayTime(holiday, nowTime));
+            var isTemporaryOpen = storeHolidays.Any(holiday =>
+                holiday.OverrideType == OverrideType.TemporaryOpen && IsWithinHolidayTime(holiday, nowTime));
+            var hasHours = hoursLookup.TryGetValue(store.Id, out var storeHours) && storeHours.Count > 0;
+            var isOpen = false;
+            if (isHolidayClosed)
+            {
+                isOpen = false;
+            }
+            else if (hasModifiedHours)
+            {
+                isOpen = isModifiedOpen;
+            }
+            else
+            {
+                isOpen = hasHours && IsWithinBusinessHours(storeHours ?? [], now);
+                if (!isOpen && isTemporaryOpen)
+                {
+                    isOpen = true;
+                }
+            }
+            if (isOpen)
+            {
+                if (store.BusinessStatus != StoreBusinessStatus.Open)
+                {
+                    store.BusinessStatus = StoreBusinessStatus.Open;
+                    store.ClosureReason = null;
+                    store.ClosureReasonText = null;
+                    updated++;
+                }
+                continue;
+            }
+
+            // 4.4 (空行后) 非营业时段切换为休息
+            if (store.BusinessStatus != StoreBusinessStatus.Resting || store.ClosureReason != StoreClosureReason.OutOfBusinessHours)
+            {
+                store.BusinessStatus = StoreBusinessStatus.Resting;
+                store.ClosureReason = StoreClosureReason.OutOfBusinessHours;
+                store.ClosureReasonText = "非营业时间自动休息";
+                updated++;
+            }
+        }
+
+        // 5. (空行后) 保存变更并记录日志
+        if (updated > 0)
+        {
+            await context.SaveChangesAsync(cancellationToken);
+        }
+
+        logger.LogInformation("定时任务：营业状态自动切换完成，更新 {UpdatedCount} 家门店", updated);
+        return updated;
+    }
+
+    /// <inheritdoc />
+    public async Task<int> CheckQualificationExpiryAsync(DateTime now, CancellationToken cancellationToken)
+    {
+        var currentTenantId = tenantContextAccessor.Current?.TenantId ?? 0;
+        if (currentTenantId != 0)
+        {
+            return await CheckQualificationExpirySingleTenantAsync(now, cancellationToken);
+        }
+
+        var tenants = await context.Tenants
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && x.Id > 0)
+            .Select(x => new { x.Id, x.Code })
+            .ToListAsync(cancellationToken);
+        if (tenants.Count == 0)
+        {
+            return 0;
+        }
+
+        var totalUpdated = 0;
+        foreach (var tenant in tenants)
+        {
+            using (tenantContextAccessor.EnterTenantScope(tenant.Id, "scheduler", tenant.Code))
+            {
+                totalUpdated += await CheckQualificationExpirySingleTenantAsync(now, cancellationToken);
+            }
+        }
+
+        return totalUpdated;
+    }
+
+    private async Task<int> CheckQualificationExpirySingleTenantAsync(DateTime now, CancellationToken cancellationToken)
+    {
+        // 1. 查询过期门店
+        var today = DateOnly.FromDateTime(now);
+        var expiredStoreIds = await context.StoreQualifications
+            .AsNoTracking()
+            .Where(qualification => qualification.DeletedAt == null
+                && qualification.ExpiresAt.HasValue
+                && qualification.ExpiresAt.Value < today)
+            .Select(qualification => qualification.StoreId)
+            .Distinct()
+            .ToListAsync(cancellationToken);
+        if (expiredStoreIds.Count == 0)
+        {
+            return 0;
+        }
+
+        // 2. (空行后) 加载门店并更新状态
+        var stores = await context.Stores
+            .Where(store => expiredStoreIds.Contains(store.Id)
+                && store.DeletedAt == null
+                && store.AuditStatus == StoreAuditStatus.Activated
+                && store.BusinessStatus != StoreBusinessStatus.ForceClosed)
+            .ToListAsync(cancellationToken);
+
+        var updated = 0;
+        foreach (var store in stores)
+        {
+            // 2.1 跳过已标记过期门店
+            if (store.BusinessStatus == StoreBusinessStatus.Resting && store.ClosureReason == StoreClosureReason.LicenseExpired)
+            {
+                continue;
+            }
+
+            // 2.2 (空行后) 设置资质过期状态
+            store.BusinessStatus = StoreBusinessStatus.Resting;
+            store.ClosureReason = StoreClosureReason.LicenseExpired;
+            store.ClosureReasonText = "证照过期自动休息";
+            updated++;
+        }
+
+        // 3. (空行后) 保存变更并记录日志
+        if (updated > 0)
+        {
+            await context.SaveChangesAsync(cancellationToken);
+        }
+
+        logger.LogInformation("定时任务：资质过期检查完成，更新 {UpdatedCount} 家门店", updated);
+        return updated;
+    }
+
+    private static bool IsWithinBusinessHours(IReadOnlyList<StoreBusinessHour> hours, DateTime now)
+    {
+        // 1. 提取当前时间
+        var day = now.DayOfWeek;
+        var time = now.TimeOfDay;
+
+        foreach (var hour in hours)
+        {
+            if (hour.HourType == BusinessHourType.Closed)
+            {
+                continue;
+            }
+            if (hour.StartTime == hour.EndTime)
+            {
+                continue;
+            }
+            if (hour.StartTime < hour.EndTime)
+            {
+                if (hour.DayOfWeek == day && time >= hour.StartTime && time < hour.EndTime)
+                {
+                    return true;
+                }
+                continue;
+            }
+            var nextDay = NextDay(hour.DayOfWeek);
+            if (hour.DayOfWeek == day && time >= hour.StartTime)
+            {
+                return true;
+            }
+            if (nextDay == day && time < hour.EndTime)
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private static bool IsWithinHolidayTime(StoreHoliday holiday, TimeSpan time)
+    {
+        if (holiday.IsAllDay)
+        {
+            return true;
+        }
+
+        if (!holiday.StartTime.HasValue || !holiday.EndTime.HasValue)
+        {
+            return false;
+        }
+
+        return time >= holiday.StartTime.Value && time < holiday.EndTime.Value;
+    }
+
+    private static DayOfWeek NextDay(DayOfWeek day)
+    {
+        var next = (int)day + 1;
+        return next > 6 ? DayOfWeek.Sunday : (DayOfWeek)next;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/AutoRenewalService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/AutoRenewalService.cs
new file mode 100644
index 0000000..bd0944e
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/AutoRenewalService.cs
@@ -0,0 +1,202 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.BackgroundServices;
+
+/// <summary>
+/// 自动续费后台服务。
+/// 定期检查开启自动续费的订阅，在到期前自动生成续费账单。
+/// </summary>
+public sealed class AutoRenewalService : BackgroundService
+{
+    private readonly IServiceProvider _serviceProvider;
+    private readonly ILogger<AutoRenewalService> _logger;
+    private readonly AutoRenewalOptions _options;
+
+    public AutoRenewalService(
+        IServiceProvider serviceProvider,
+        ILogger<AutoRenewalService> logger,
+        IOptions<AutoRenewalOptions> options)
+    {
+        _serviceProvider = serviceProvider;
+        _logger = logger;
+        _options = options.Value;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("自动续费服务已启动");
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                // 计算下次执行时间（每天执行）
+                var now = DateTime.UtcNow;
+                var nextRun = now.Date.AddDays(1).AddHours(_options.ExecuteHour);
+                var delay = nextRun - now;
+
+                _logger.LogInformation("自动续费服务将在 {NextRun} 执行，等待 {Delay}", nextRun, delay);
+
+                await Task.Delay(delay, stoppingToken);
+
+                if (stoppingToken.IsCancellationRequested)
+                    break;
+
+                await ProcessAutoRenewalsAsync(stoppingToken);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "自动续费服务执行异常");
+                // 出错后等待一段时间再重试
+                await Task.Delay(TimeSpan.FromMinutes(5), stoppingToken);
+            }
+        }
+
+        _logger.LogInformation("自动续费服务已停止");
+    }
+
+    private async Task ProcessAutoRenewalsAsync(CancellationToken cancellationToken)
+    {
+        _logger.LogInformation("开始处理自动续费");
+
+        using var scope = _serviceProvider.CreateScope();
+        var dbContext = scope.ServiceProvider.GetRequiredService<TakeoutAppDbContext>();
+        var idGenerator = scope.ServiceProvider.GetRequiredService<IIdGenerator>();
+        var tenantContextAccessor = scope.ServiceProvider.GetRequiredService<ITenantContextAccessor>();
+
+        var now = DateTime.UtcNow;
+        var renewalThreshold = now.AddDays(_options.RenewalDaysBeforeExpiry);
+
+        try
+        {
+            var tenants = await dbContext.Tenants
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null && x.Id > 0)
+                .Select(x => new { x.Id, x.Code })
+                .ToListAsync(cancellationToken);
+            if (tenants.Count == 0)
+            {
+                _logger.LogInformation("自动续费处理完成：未找到可处理租户");
+                return;
+            }
+
+            var billsCreatedTotal = 0;
+            foreach (var tenant in tenants)
+            {
+                using (tenantContextAccessor.EnterTenantScope(tenant.Id, "background:auto-renewal", tenant.Code))
+                {
+                    var billsCreated = 0;
+
+                    // 查询开启自动续费且即将到期的活跃订阅
+                    var autoRenewSubscriptions = await dbContext.TenantSubscriptions
+                        .Where(s => s.Status == SubscriptionStatus.Active
+                                 && s.AutoRenew
+                                 && s.EffectiveTo <= renewalThreshold
+                                 && s.EffectiveTo > now)
+                        .Join(
+                            dbContext.TenantPackages,
+                            sub => sub.TenantPackageId,
+                            package => package.Id,
+                            (sub, package) => new { Subscription = sub, Package = package }
+                        )
+                        .ToListAsync(cancellationToken);
+
+                    foreach (var item in autoRenewSubscriptions)
+                    {
+                        // 检查是否已为本次到期生成过账单
+                        var existingBill = await dbContext.TenantBillingStatements
+                            .AnyAsync(b => b.TenantId == item.Subscription.TenantId
+                                        && b.PeriodStart >= item.Subscription.EffectiveTo
+                                        && b.Status != TenantBillingStatus.Cancelled,
+                                cancellationToken);
+
+                        if (existingBill)
+                        {
+                            _logger.LogInformation(
+                                "订阅 {SubscriptionId} 已存在续费账单，跳过",
+                                item.Subscription.Id);
+                            continue;
+                        }
+
+                        // 生成续费账单
+                        var billNo = $"BILL-{DateTime.UtcNow:yyyyMMddHHmmss}-{item.Subscription.TenantId}";
+                        var periodStart = item.Subscription.EffectiveTo;
+
+                        // 从当前订阅计算续费周期（月数）
+                        var currentDurationMonths = ((item.Subscription.EffectiveTo.Year - item.Subscription.EffectiveFrom.Year) * 12)
+                            + item.Subscription.EffectiveTo.Month - item.Subscription.EffectiveFrom.Month;
+                        if (currentDurationMonths <= 0) currentDurationMonths = 1; // 至少1个月
+
+                        var periodEnd = periodStart.AddMonths(currentDurationMonths);
+
+                        // 根据续费周期计算价格（年付优惠）
+                        var renewalPrice = currentDurationMonths >= 12
+                            ? (item.Package.YearlyPrice ?? item.Package.MonthlyPrice * 12 ?? 0)
+                            : (item.Package.MonthlyPrice ?? 0) * currentDurationMonths;
+
+                        var bill = new TenantBillingStatement
+                        {
+                            Id = idGenerator.NextId(),
+                            TenantId = item.Subscription.TenantId,
+                            StatementNo = billNo,
+                            PeriodStart = periodStart,
+                            PeriodEnd = periodEnd,
+                            AmountDue = renewalPrice,
+                            AmountPaid = 0,
+                            Status = TenantBillingStatus.Pending,
+                            DueDate = periodStart.AddDays(-1), // 到期前一天为付款截止日
+                            LineItemsJson = $"{{\"套餐名称\":\"{item.Package.Name}\",\"续费周期\":\"{currentDurationMonths}个月\"}}",
+                            CreatedAt = DateTime.UtcNow
+                        };
+
+                        dbContext.TenantBillingStatements.Add(bill);
+                        billsCreated++;
+
+                        _logger.LogInformation(
+                            "为订阅 {SubscriptionId} (租户 {TenantId}) 生成自动续费账单 {BillNo}，金额 {Amount}",
+                            item.Subscription.Id, item.Subscription.TenantId, billNo, renewalPrice);
+                    }
+
+                    if (billsCreated > 0)
+                    {
+                        await dbContext.SaveChangesAsync(cancellationToken);
+                    }
+
+                    billsCreatedTotal += billsCreated;
+                }
+            }
+
+            _logger.LogInformation("自动续费处理完成，共生成 {Count} 张账单", billsCreatedTotal);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "自动续费处理失败");
+            throw;
+        }
+    }
+}
+
+/// <summary>
+/// 自动续费配置选项。
+/// </summary>
+public sealed class AutoRenewalOptions
+{
+    /// <summary>
+    /// 执行时间（小时，UTC时间），默认凌晨1点。
+    /// </summary>
+    public int ExecuteHour { get; set; } = 1;
+
+    /// <summary>
+    /// 在到期前N天生成续费账单，默认3天。
+    /// </summary>
+    public int RenewalDaysBeforeExpiry { get; set; } = 3;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/RenewalReminderService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/RenewalReminderService.cs
new file mode 100644
index 0000000..c587830
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/RenewalReminderService.cs
@@ -0,0 +1,191 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.BackgroundServices;
+
+/// <summary>
+/// 续费提醒后台服务。
+/// 定期检查即将到期的订阅，发送续费提醒通知。
+/// </summary>
+public sealed class RenewalReminderService : BackgroundService
+{
+    private readonly IServiceProvider _serviceProvider;
+    private readonly ILogger<RenewalReminderService> _logger;
+    private readonly RenewalReminderOptions _options;
+
+    public RenewalReminderService(
+        IServiceProvider serviceProvider,
+        ILogger<RenewalReminderService> logger,
+        IOptions<RenewalReminderOptions> options)
+    {
+        _serviceProvider = serviceProvider;
+        _logger = logger;
+        _options = options.Value;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("续费提醒服务已启动");
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                // 计算下次执行时间（每天执行）
+                var now = DateTime.UtcNow;
+                var nextRun = now.Date.AddDays(1).AddHours(_options.ExecuteHour);
+                var delay = nextRun - now;
+
+                _logger.LogInformation("续费提醒服务将在 {NextRun} 执行，等待 {Delay}", nextRun, delay);
+
+                await Task.Delay(delay, stoppingToken);
+
+                if (stoppingToken.IsCancellationRequested)
+                    break;
+
+                await SendRenewalRemindersAsync(stoppingToken);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "续费提醒服务执行异常");
+                // 出错后等待一段时间再重试
+                await Task.Delay(TimeSpan.FromMinutes(5), stoppingToken);
+            }
+        }
+
+        _logger.LogInformation("续费提醒服务已停止");
+    }
+
+    private async Task SendRenewalRemindersAsync(CancellationToken cancellationToken)
+    {
+        _logger.LogInformation("开始发送续费提醒");
+
+        using var scope = _serviceProvider.CreateScope();
+        var dbContext = scope.ServiceProvider.GetRequiredService<TakeoutAppDbContext>();
+        var idGenerator = scope.ServiceProvider.GetRequiredService<IIdGenerator>();
+        var tenantContextAccessor = scope.ServiceProvider.GetRequiredService<ITenantContextAccessor>();
+
+        var now = DateTime.UtcNow;
+
+        try
+        {
+            var tenants = await dbContext.Tenants
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null && x.Id > 0)
+                .Select(x => new { x.Id, x.Code, x.Name })
+                .ToListAsync(cancellationToken);
+            if (tenants.Count == 0)
+            {
+                _logger.LogInformation("续费提醒发送完成：未找到可处理租户");
+                return;
+            }
+
+            var remindersSentTotal = 0;
+            foreach (var tenant in tenants)
+            {
+                using (tenantContextAccessor.EnterTenantScope(tenant.Id, "background:renewal-reminder", tenant.Code))
+                {
+                    var remindersSent = 0;
+
+                    // 遍历配置的提醒时间点（例如：到期前7天、3天、1天）
+                    foreach (var daysBeforeExpiry in _options.ReminderDaysBeforeExpiry)
+                    {
+                        var targetDate = now.AddDays(daysBeforeExpiry);
+                        var startOfDay = targetDate.Date;
+                        var endOfDay = startOfDay.AddDays(1);
+
+                        // 查询即将到期的活跃订阅（且未开启自动续费）
+                        var expiringSubscriptions = await dbContext.TenantSubscriptions
+                            .Where(s => s.Status == SubscriptionStatus.Active
+                                     && !s.AutoRenew
+                                     && s.EffectiveTo >= startOfDay
+                                     && s.EffectiveTo < endOfDay)
+                            .Join(
+                                dbContext.TenantPackages,
+                                sub => sub.TenantPackageId,
+                                package => package.Id,
+                                (sub, package) => new { Subscription = sub, Package = package }
+                            )
+                            .ToListAsync(cancellationToken);
+
+                        foreach (var item in expiringSubscriptions)
+                        {
+                            // 检查是否已发送过相同天数的提醒（避免重复发送）
+                            var alreadySent = await dbContext.TenantNotifications
+                                .AnyAsync(n => n.TenantId == item.Subscription.TenantId
+                                            && n.Message.Contains($"{daysBeforeExpiry}天内到期")
+                                            && n.SentAt >= now.AddHours(-24), // 24小时内已发送过
+                                    cancellationToken);
+
+                            if (alreadySent)
+                            {
+                                continue;
+                            }
+
+                            // 创建续费提醒通知
+                            var notification = new TenantNotification
+                            {
+                                Id = idGenerator.NextId(),
+                                TenantId = item.Subscription.TenantId,
+                                Title = "订阅续费提醒",
+                                Message = $"您的订阅套餐「{item.Package.Name}」将在 {daysBeforeExpiry} 天内到期（到期时间：{item.Subscription.EffectiveTo:yyyy-MM-dd HH:mm}），请及时续费以免影响使用。",
+                                Severity = daysBeforeExpiry <= 1
+                                    ? TenantNotificationSeverity.Critical
+                                    : TenantNotificationSeverity.Warning,
+                                Channel = TenantNotificationChannel.InApp,
+                                SentAt = DateTime.UtcNow,
+                                ReadAt = null,
+                                CreatedAt = DateTime.UtcNow
+                            };
+
+                            dbContext.TenantNotifications.Add(notification);
+                            remindersSent++;
+
+                            _logger.LogInformation(
+                                "发送续费提醒: 租户 {TenantName} ({TenantId}), 套餐 {PackageName}, 剩余 {Days} 天",
+                                tenant.Name, item.Subscription.TenantId, item.Package.Name, daysBeforeExpiry);
+                        }
+                    }
+
+                    if (remindersSent > 0)
+                    {
+                        await dbContext.SaveChangesAsync(cancellationToken);
+                    }
+
+                    remindersSentTotal += remindersSent;
+                }
+            }
+
+            _logger.LogInformation("续费提醒发送完成，共发送 {Count} 条提醒", remindersSentTotal);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "发送续费提醒失败");
+            throw;
+        }
+    }
+}
+
+/// <summary>
+/// 续费提醒配置选项。
+/// </summary>
+public sealed class RenewalReminderOptions
+{
+    /// <summary>
+    /// 执行时间（小时，UTC时间），默认上午10点。
+    /// </summary>
+    public int ExecuteHour { get; set; } = 10;
+
+    /// <summary>
+    /// 提醒时间点（到期前N天），默认7天、3天、1天。
+    /// </summary>
+    public int[] ReminderDaysBeforeExpiry { get; set; } = { 7, 3, 1 };
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/SubscriptionExpiryCheckService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/SubscriptionExpiryCheckService.cs
new file mode 100644
index 0000000..3057243
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/BackgroundServices/SubscriptionExpiryCheckService.cs
@@ -0,0 +1,158 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.BackgroundServices;
+
+/// <summary>
+/// 订阅到期检查后台服务。
+/// 每天凌晨执行，检查即将到期和已到期的订阅，自动更新状态。
+/// </summary>
+public sealed class SubscriptionExpiryCheckService : BackgroundService
+{
+    private readonly IServiceProvider _serviceProvider;
+    private readonly ILogger<SubscriptionExpiryCheckService> _logger;
+    private readonly SubscriptionExpiryCheckOptions _options;
+
+    public SubscriptionExpiryCheckService(
+        IServiceProvider serviceProvider,
+        ILogger<SubscriptionExpiryCheckService> logger,
+        IOptions<SubscriptionExpiryCheckOptions> options)
+    {
+        _serviceProvider = serviceProvider;
+        _logger = logger;
+        _options = options.Value;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("订阅到期检查服务已启动");
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                // 计算下次执行时间（每天凌晨）
+                var now = DateTime.UtcNow;
+                var nextRun = now.Date.AddDays(1).AddHours(_options.ExecuteHour);
+                var delay = nextRun - now;
+
+                _logger.LogInformation("订阅到期检查服务将在 {NextRun} 执行，等待 {Delay}", nextRun, delay);
+
+                await Task.Delay(delay, stoppingToken);
+
+                if (stoppingToken.IsCancellationRequested)
+                    break;
+
+                await CheckExpiringSubscriptionsAsync(stoppingToken);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "订阅到期检查服务执行异常");
+                // 出错后等待一段时间再重试
+                await Task.Delay(TimeSpan.FromMinutes(5), stoppingToken);
+            }
+        }
+
+        _logger.LogInformation("订阅到期检查服务已停止");
+    }
+
+    private async Task CheckExpiringSubscriptionsAsync(CancellationToken cancellationToken)
+    {
+        _logger.LogInformation("开始执行订阅到期检查");
+
+        using var scope = _serviceProvider.CreateScope();
+        var dbContext = scope.ServiceProvider.GetRequiredService<TakeoutAppDbContext>();
+        var tenantContextAccessor = scope.ServiceProvider.GetRequiredService<ITenantContextAccessor>();
+
+        var now = DateTime.UtcNow;
+        var gracePeriodDays = _options.GracePeriodDays;
+
+        try
+        {
+            var tenants = await dbContext.Tenants
+                .AsNoTracking()
+                .Where(x => x.DeletedAt == null && x.Id > 0)
+                .Select(x => new { x.Id, x.Code })
+                .ToListAsync(cancellationToken);
+            if (tenants.Count == 0)
+            {
+                _logger.LogInformation("订阅到期检查完成：未找到可处理租户");
+                return;
+            }
+
+            var changedTotal = 0;
+            var expiredTotal = 0;
+            var suspendedTotal = 0;
+            foreach (var tenant in tenants)
+            {
+                using (tenantContextAccessor.EnterTenantScope(tenant.Id, "background:subscription-expiry", tenant.Code))
+                {
+                    // 1. 检查活跃订阅中已到期的，转为宽限期
+                    var expiredActive = await dbContext.TenantSubscriptions
+                        .Where(s => s.Status == SubscriptionStatus.Active && s.EffectiveTo < now)
+                        .ToListAsync(cancellationToken);
+
+                    foreach (var subscription in expiredActive)
+                    {
+                        subscription.Status = SubscriptionStatus.GracePeriod;
+                        _logger.LogInformation(
+                            "订阅 {SubscriptionId} (租户 {TenantId}) 已到期，进入宽限期",
+                            subscription.Id, subscription.TenantId);
+                    }
+
+                    // 2. 检查宽限期订阅中超过宽限期的，转为暂停
+                    var gracePeriodExpired = await dbContext.TenantSubscriptions
+                        .Where(s => s.Status == SubscriptionStatus.GracePeriod
+                                 && s.EffectiveTo.AddDays(gracePeriodDays) < now)
+                        .ToListAsync(cancellationToken);
+
+                    foreach (var subscription in gracePeriodExpired)
+                    {
+                        subscription.Status = SubscriptionStatus.Suspended;
+                        _logger.LogInformation(
+                            "订阅 {SubscriptionId} (租户 {TenantId}) 宽限期已结束，已暂停",
+                            subscription.Id, subscription.TenantId);
+                    }
+
+                    // 3. 保存更改（逐租户保存，避免跨租户写入）
+                    var changedCount = await dbContext.SaveChangesAsync(cancellationToken);
+
+                    changedTotal += changedCount;
+                    expiredTotal += expiredActive.Count;
+                    suspendedTotal += gracePeriodExpired.Count;
+                }
+            }
+
+            _logger.LogInformation(
+                "订阅到期检查完成，共更新 {Count} 条记录 (到期转宽限期: {ExpiredCount}, 宽限期转暂停: {SuspendedCount})",
+                changedTotal, expiredTotal, suspendedTotal);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "订阅到期检查失败");
+            throw;
+        }
+    }
+}
+
+/// <summary>
+/// 订阅到期检查配置选项。
+/// </summary>
+public sealed class SubscriptionExpiryCheckOptions
+{
+    /// <summary>
+    /// 执行时间（小时，UTC时间），默认凌晨2点。
+    /// </summary>
+    public int ExecuteHour { get; set; } = 2;
+
+    /// <summary>
+    /// 宽限期天数，默认7天。
+    /// </summary>
+    public int GracePeriodDays { get; set; } = 7;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs
new file mode 100644
index 0000000..e9940a0
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs
@@ -0,0 +1,102 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Infrastructure.Common.Options;
+using TakeoutSaaS.Infrastructure.Common.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Kernel.Ids;
+
+namespace TakeoutSaaS.Infrastructure.Common.Extensions;
+
+/// <summary>
+/// 数据访问与多数据源相关的服务注册扩展。
+/// </summary>
+public static class DatabaseServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册数据库基础设施（多数据源配置、读写分离、Dapper 执行器）。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <param name="configuration">配置源。</param>
+    /// <returns>服务集合。</returns>
+    public static IServiceCollection AddDatabaseInfrastructure(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<DatabaseOptions>()
+            .Bind(configuration.GetSection(DatabaseOptions.SectionName))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<IdGeneratorOptions>()
+            .Bind(configuration.GetSection(IdGeneratorOptions.SectionName))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddSingleton<IIdGenerator>(sp =>
+        {
+            var options = sp.GetRequiredService<Microsoft.Extensions.Options.IOptions<IdGeneratorOptions>>().Value;
+            return new SnowflakeIdGenerator(options.WorkerId, options.DatacenterId);
+        });
+
+        services.AddSingleton<IDatabaseConnectionFactory, DatabaseConnectionFactory>();
+        services.AddScoped<IDapperExecutor, DapperExecutor>();
+        return services;
+    }
+
+    /// <summary>
+    /// 为指定 DbContext 注册读写分离的 PostgreSQL 配置，同时提供读上下文工厂。
+    /// </summary>
+    /// <typeparam name="TContext">上下文类型。</typeparam>
+    /// <param name="services">服务集合。</param>
+    /// <param name="dataSourceName">逻辑数据源名称。</param>
+    /// <returns>服务集合。</returns>
+    public static IServiceCollection AddPostgresDbContext<TContext>(
+        this IServiceCollection services,
+        string dataSourceName)
+        where TContext : DbContext
+    {
+        services.AddDbContext<TContext>(
+            (sp, options) =>
+            {
+                ConfigureDbContextOptions(sp, options, dataSourceName, DatabaseConnectionRole.Write);
+            },
+            contextLifetime: ServiceLifetime.Scoped,
+            optionsLifetime: ServiceLifetime.Singleton);
+
+        services.AddDbContextFactory<TContext>((sp, options) =>
+        {
+            ConfigureDbContextOptions(sp, options, dataSourceName, DatabaseConnectionRole.Read);
+        });
+
+        return services;
+    }
+
+    /// <summary>
+    /// 配置 DbContextOptions，应用连接串、命令超时与重试策略。
+    /// </summary>
+    /// <param name="serviceProvider">服务提供程序。</param>
+    /// <param name="optionsBuilder">上下文配置器。</param>
+    /// <param name="dataSourceName">数据源名称。</param>
+    /// <param name="role">连接角色。</param>
+    private static void ConfigureDbContextOptions(
+        IServiceProvider serviceProvider,
+        DbContextOptionsBuilder optionsBuilder,
+        string dataSourceName,
+        DatabaseConnectionRole role)
+    {
+        var connection = serviceProvider
+            .GetRequiredService<IDatabaseConnectionFactory>()
+            .GetConnection(dataSourceName, role);
+
+        optionsBuilder.UseNpgsql(
+            connection.ConnectionString,
+            npgsqlOptions =>
+            {
+                npgsqlOptions.CommandTimeout(connection.CommandTimeoutSeconds);
+                npgsqlOptions.EnableRetryOnFailure(
+                    connection.MaxRetryCount,
+                    TimeSpan.FromSeconds(connection.MaxRetryDelaySeconds),
+                    null);
+            });
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Options/DatabaseDataSourceOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Options/DatabaseDataSourceOptions.cs
new file mode 100644
index 0000000..694c9e3
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Options/DatabaseDataSourceOptions.cs
@@ -0,0 +1,38 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Infrastructure.Common.Options;
+
+/// <summary>
+/// 单个数据源的连接配置，支持主写与多个从读。
+/// </summary>
+public sealed class DatabaseDataSourceOptions
+{
+    /// <summary>
+    /// 主写连接串，读写分离缺省回退到此连接。
+    /// </summary>
+    [Required]
+    public string? Write { get; set; }
+
+    /// <summary>
+    /// 从读连接串集合，可为空。
+    /// </summary>
+    public IList<string> Reads { get; init; } = new List<string>();
+
+    /// <summary>
+    /// 默认命令超时（秒），未设置时使用框架默认值。
+    /// </summary>
+    [Range(1, 600)]
+    public int CommandTimeoutSeconds { get; set; } = 30;
+
+    /// <summary>
+    /// 数据库重试次数。
+    /// </summary>
+    [Range(0, 10)]
+    public int MaxRetryCount { get; set; } = 3;
+
+    /// <summary>
+    /// 数据库重试最大延迟（秒）。
+    /// </summary>
+    [Range(1, 60)]
+    public int MaxRetryDelaySeconds { get; set; } = 5;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Options/DatabaseOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Options/DatabaseOptions.cs
new file mode 100644
index 0000000..a2db8d2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Options/DatabaseOptions.cs
@@ -0,0 +1,33 @@
+namespace TakeoutSaaS.Infrastructure.Common.Options;
+
+/// <summary>
+/// 数据源配置集合，键为逻辑数据源名称。
+/// </summary>
+public sealed class DatabaseOptions
+{
+    /// <summary>
+    /// 配置节名称。
+    /// </summary>
+    public const string SectionName = "Database";
+
+    /// <summary>
+    /// 数据源配置字典，键为数据源名称。
+    /// </summary>
+    public IDictionary<string, DatabaseDataSourceOptions> DataSources { get; init; } =
+        new Dictionary<string, DatabaseDataSourceOptions>(StringComparer.OrdinalIgnoreCase);
+
+    /// <summary>
+    /// 获取指定名称的数据源配置，不存在时返回 null。
+    /// </summary>
+    /// <param name="name">逻辑数据源名称。</param>
+    /// <returns>数据源配置或 null。</returns>
+    public DatabaseDataSourceOptions? Find(string name)
+    {
+        if (string.IsNullOrWhiteSpace(name))
+        {
+            return null;
+        }
+
+        return DataSources.TryGetValue(name, out var options) ? options : null;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs
index 1f06200..8511816 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs
@@ -18,6 +18,26 @@ public abstract class AppDbContext(
     private readonly ICurrentUserAccessor? _currentUserAccessor = currentUserAccessor;
     private readonly IIdGenerator? _idGenerator = idGenerator;
 
+    /// <summary>
+    /// 是否禁用软删除过滤器。
+    /// </summary>
+    /// <remarks>
+    /// 仅允许在少数系统任务/恢复场景中临时关闭，默认应保持开启。
+    /// </remarks>
+    protected bool IsSoftDeleteFilterDisabled { get; private set; }
+
+    /// <summary>
+    /// 临时禁用软删除过滤器（仅关闭软删除过滤，不影响租户过滤）。
+    /// </summary>
+    /// <returns>作用域对象，释放后恢复之前的过滤状态。</returns>
+    public IDisposable DisableSoftDeleteFilter()
+    {
+        var previous = IsSoftDeleteFilterDisabled;
+        IsSoftDeleteFilterDisabled = true;
+
+        return new SoftDeleteFilterScope(this, previous);
+    }
+
     /// <summary>
     /// 构建模型时应用软删除过滤器。
     /// </summary>
@@ -179,7 +199,15 @@ public abstract class AppDbContext(
     private void SetSoftDeleteFilter<TEntity>(ModelBuilder modelBuilder)
         where TEntity : class, ISoftDeleteEntity
     {
-        modelBuilder.Entity<TEntity>().HasQueryFilter(entity => entity.DeletedAt == null);
+        QueryFilterCombiner.Combine<TEntity>(modelBuilder, "soft_delete", entity => IsSoftDeleteFilterDisabled || entity.DeletedAt == null);
+    }
+
+    private sealed class SoftDeleteFilterScope(AppDbContext context, bool previous) : IDisposable
+    {
+        public void Dispose()
+        {
+            context.IsSoftDeleteFilterDisabled = previous;
+        }
     }
 
     /// <summary>
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs
new file mode 100644
index 0000000..d9defe1
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs
@@ -0,0 +1,80 @@
+using Microsoft.Extensions.Logging;
+using Npgsql;
+using System.Data;
+using TakeoutSaaS.Shared.Abstractions.Data;
+
+namespace TakeoutSaaS.Infrastructure.Common.Persistence;
+
+/// <summary>
+/// 基于 Dapper 的执行器实现，封装连接创建与读写分离。
+/// </summary>
+public sealed class DapperExecutor(
+    IDatabaseConnectionFactory connectionFactory,
+    ILogger<DapperExecutor> logger) : IDapperExecutor
+{
+    /// <summary>
+    /// 使用指定数据源与读写角色执行异步查询。
+    /// </summary>
+    public async Task<TResult> QueryAsync<TResult>(
+        string dataSourceName,
+        DatabaseConnectionRole role,
+        Func<IDbConnection, CancellationToken, Task<TResult>> query,
+        CancellationToken cancellationToken = default)
+    {
+        return await ExecuteAsync(
+            dataSourceName,
+            role,
+            async (connection, token) => await query(connection, token),
+            cancellationToken);
+    }
+
+    /// <summary>
+    /// 使用指定数据源与读写角色执行异步命令。
+    /// </summary>
+    public async Task ExecuteAsync(
+        string dataSourceName,
+        DatabaseConnectionRole role,
+        Func<IDbConnection, CancellationToken, Task> command,
+        CancellationToken cancellationToken = default)
+    {
+        await ExecuteAsync(
+            dataSourceName,
+            role,
+            async (connection, token) =>
+            {
+                await command(connection, token);
+                return true;
+            },
+            cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取默认命令超时时间（秒）。
+    /// </summary>
+    public int GetDefaultCommandTimeoutSeconds(string dataSourceName, DatabaseConnectionRole role = DatabaseConnectionRole.Read)
+    {
+        var details = connectionFactory.GetConnection(dataSourceName, role);
+        return details.CommandTimeoutSeconds;
+    }
+
+    /// <summary>
+    /// 核心执行逻辑：创建连接、打开并执行委托。
+    /// </summary>
+    private async Task<TResult> ExecuteAsync<TResult>(
+        string dataSourceName,
+        DatabaseConnectionRole role,
+        Func<IDbConnection, CancellationToken, Task<TResult>> action,
+        CancellationToken cancellationToken)
+    {
+        var details = connectionFactory.GetConnection(dataSourceName, role);
+        await using var connection = new NpgsqlConnection(details.ConnectionString);
+
+        logger.LogDebug(
+            "打开数据库连接：DataSource={DataSource} Role={Role}",
+            dataSourceName,
+            role);
+
+        await connection.OpenAsync(cancellationToken);
+        return await action(connection, cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionDetails.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionDetails.cs
new file mode 100644
index 0000000..20e4850
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionDetails.cs
@@ -0,0 +1,10 @@
+namespace TakeoutSaaS.Infrastructure.Common.Persistence;
+
+/// <summary>
+/// 数据库连接信息（连接串与超时/重试设置）。
+/// </summary>
+public sealed record DatabaseConnectionDetails(
+    string ConnectionString,
+    int CommandTimeoutSeconds,
+    int MaxRetryCount,
+    int MaxRetryDelaySeconds);
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs
new file mode 100644
index 0000000..54fee08
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs
@@ -0,0 +1,120 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System.ComponentModel.DataAnnotations;
+using System.Security.Cryptography;
+using TakeoutSaaS.Infrastructure.Common.Options;
+using TakeoutSaaS.Shared.Abstractions.Data;
+
+namespace TakeoutSaaS.Infrastructure.Common.Persistence;
+
+/// <summary>
+/// 数据库连接工厂，支持读写分离及连接配置校验。
+/// </summary>
+public sealed class DatabaseConnectionFactory(
+    IOptionsMonitor<DatabaseOptions> optionsMonitor,
+    IConfiguration configuration,
+    ILogger<DatabaseConnectionFactory> logger) : IDatabaseConnectionFactory
+{
+    private const int DefaultCommandTimeoutSeconds = 30;
+    private const int DefaultMaxRetryCount = 3;
+    private const int DefaultMaxRetryDelaySeconds = 5;
+
+    /// <summary>
+    /// 获取指定数据源与读写角色的连接信息。
+    /// </summary>
+    /// <param name="dataSourceName">逻辑数据源名称。</param>
+    /// <param name="role">连接角色。</param>
+    /// <returns>连接串与超时/重试配置。</returns>
+    public DatabaseConnectionDetails GetConnection(string dataSourceName, DatabaseConnectionRole role)
+    {
+        if (string.IsNullOrWhiteSpace(dataSourceName))
+        {
+            logger.LogWarning("请求的数据源名称为空，使用默认连接。");
+            return BuildFallbackConnection();
+        }
+
+        var options = optionsMonitor.CurrentValue.Find(dataSourceName);
+        if (options != null)
+        {
+            if (!ValidateOptions(dataSourceName, options))
+            {
+                return BuildFallbackConnection();
+            }
+
+            var connectionString = ResolveConnectionString(options, role);
+            return new DatabaseConnectionDetails(
+                connectionString,
+                options.CommandTimeoutSeconds,
+                options.MaxRetryCount,
+                options.MaxRetryDelaySeconds);
+        }
+
+        var fallback = configuration.GetConnectionString(dataSourceName);
+        if (string.IsNullOrWhiteSpace(fallback))
+        {
+            logger.LogError("缺少数据源 {DataSource} 的连接配置，回退到默认本地连接。", dataSourceName);
+            return BuildFallbackConnection();
+        }
+
+        logger.LogWarning("未找到数据源 {DataSource} 的 Database 节配置，回退使用 ConnectionStrings。", dataSourceName);
+        return new DatabaseConnectionDetails(
+            fallback,
+            DefaultCommandTimeoutSeconds,
+            DefaultMaxRetryCount,
+            DefaultMaxRetryDelaySeconds);
+    }
+
+    /// <summary>
+    /// 校验数据源配置完整性。
+    /// </summary>
+    /// <param name="dataSourceName">数据源名称。</param>
+    /// <param name="options">数据源配置。</param>
+    /// <exception cref="InvalidOperationException">配置不合法时抛出。</exception>
+    private bool ValidateOptions(string dataSourceName, DatabaseDataSourceOptions options)
+    {
+        var results = new List<ValidationResult>();
+        var context = new ValidationContext(options);
+        if (!Validator.TryValidateObject(options, context, results, validateAllProperties: true))
+        {
+            var errorMessages = string.Join("; ", results.Select(result => result.ErrorMessage));
+            logger.LogError("数据源 {DataSource} 配置非法：{Errors}，回退到默认连接。", dataSourceName, errorMessages);
+            return false;
+        }
+
+        return true;
+    }
+
+    /// <summary>
+    /// 根据读写角色选择连接串，从读连接随机分配。
+    /// </summary>
+    /// <param name="options">数据源配置。</param>
+    /// <param name="role">连接角色。</param>
+    /// <returns>可用连接串。</returns>
+    private string ResolveConnectionString(DatabaseDataSourceOptions options, DatabaseConnectionRole role)
+    {
+        if (role == DatabaseConnectionRole.Read && options.Reads.Count > 0)
+        {
+            var index = RandomNumberGenerator.GetInt32(options.Reads.Count);
+            return options.Reads[index];
+        }
+
+        if (string.IsNullOrWhiteSpace(options.Write))
+        {
+            return BuildFallbackConnection().ConnectionString;
+        }
+
+        return options.Write;
+    }
+
+    private DatabaseConnectionDetails BuildFallbackConnection()
+    {
+        const string fallback = "Host=120.53.222.17;Port=5432;Database=postgres;Username=postgres;Password=MsuMshk112233;Pooling=true;Minimum Pool Size=1;Maximum Pool Size=20";
+        logger.LogWarning("使用默认回退连接串：{Connection}", fallback);
+        return new DatabaseConnectionDetails(
+            fallback,
+            DefaultCommandTimeoutSeconds,
+            DefaultMaxRetryCount,
+            DefaultMaxRetryDelaySeconds);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs
new file mode 100644
index 0000000..69cebbb
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs
@@ -0,0 +1,178 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+using Microsoft.Extensions.Configuration;
+using TakeoutSaaS.Infrastructure.Common.Options;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Common.Persistence.DesignTime;
+
+/// <summary>
+/// EF Core 设计时 DbContext 工厂基类，统一读取 appsettings 中的数据库配置。
+/// </summary>
+internal abstract class DesignTimeDbContextFactoryBase<TContext> : IDesignTimeDbContextFactory<TContext>
+    where TContext : TenantAwareDbContext
+{
+    private readonly string _dataSourceName;
+    private readonly string? _connectionStringEnvVar;
+
+    /// <summary>
+    /// 初始化设计时工厂基类。
+    /// </summary>
+    /// <param name="dataSourceName">数据源名称。</param>
+    /// <param name="connectionStringEnvVar">连接串环境变量名。</param>
+    protected DesignTimeDbContextFactoryBase(string dataSourceName, string? connectionStringEnvVar = null)
+    {
+        if (string.IsNullOrWhiteSpace(dataSourceName))
+        {
+            throw new ArgumentException("数据源名称不能为空。", nameof(dataSourceName));
+        }
+
+        _dataSourceName = dataSourceName;
+        _connectionStringEnvVar = connectionStringEnvVar;
+    }
+
+    /// <summary>
+    /// 创建设计时 DbContext。
+    /// </summary>
+    /// <param name="args">命令行参数。</param>
+    /// <returns>DbContext 实例。</returns>
+    public TContext CreateDbContext(string[] args)
+    {
+        // 1. 构建 DbContextOptions
+        var optionsBuilder = new DbContextOptionsBuilder<TContext>();
+        optionsBuilder.UseNpgsql(
+            ResolveConnectionString(),
+            npgsql =>
+            {
+                npgsql.CommandTimeout(30);
+                npgsql.EnableRetryOnFailure();
+            });
+
+        // 2. 创建上下文
+        return CreateContext(
+            optionsBuilder.Options,
+            new DesignTimeTenantProvider(),
+            new DesignTimeCurrentUserAccessor());
+    }
+
+    /// <summary>
+    /// 由子类实现的上下文工厂方法。
+    /// </summary>
+    /// <param name="options">上下文选项。</param>
+    /// <param name="tenantProvider">租户提供器。</param>
+    /// <param name="currentUserAccessor">当前用户访问器。</param>
+    /// <returns>DbContext 实例。</returns>
+    protected abstract TContext CreateContext(
+        DbContextOptions<TContext> options,
+        ITenantProvider tenantProvider,
+        ICurrentUserAccessor currentUserAccessor);
+
+    private string ResolveConnectionString()
+    {
+        if (!string.IsNullOrWhiteSpace(_connectionStringEnvVar))
+        {
+            var envValue = Environment.GetEnvironmentVariable(_connectionStringEnvVar);
+            if (!string.IsNullOrWhiteSpace(envValue))
+            {
+                return envValue;
+            }
+        }
+
+        var configuration = BuildConfiguration();
+        var writeConnection = configuration[$"{DatabaseOptions.SectionName}:DataSources:{_dataSourceName}:Write"];
+        if (string.IsNullOrWhiteSpace(writeConnection))
+        {
+            throw new InvalidOperationException(
+                $"未在配置中找到数据源 '{_dataSourceName}' 的 Write 连接字符串，请检查 appsettings 或设置 {_connectionStringEnvVar ?? "相应"} 环境变量。");
+        }
+
+        return writeConnection;
+    }
+
+    private static IConfigurationRoot BuildConfiguration()
+    {
+        var basePath = ResolveConfigurationDirectory();
+        var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Development";
+
+        return new ConfigurationBuilder()
+            .SetBasePath(basePath)
+            .AddJsonFile("appsettings.json", optional: true, reloadOnChange: false)
+            .AddJsonFile($"appsettings.{environment}.json", optional: true, reloadOnChange: false)
+            .AddEnvironmentVariables()
+            .Build();
+    }
+
+    private static string ResolveConfigurationDirectory()
+    {
+        var explicitDir = Environment.GetEnvironmentVariable("TAKEOUTSAAS_APPSETTINGS_DIR");
+        if (!string.IsNullOrWhiteSpace(explicitDir) && Directory.Exists(explicitDir))
+        {
+            return explicitDir;
+        }
+
+        // 1. (空行后) 尝试从当前目录定位解决方案根目录
+        var currentDir = Directory.GetCurrentDirectory();
+        var solutionRoot = LocateSolutionRoot(currentDir);
+
+        // 2. (空行后) 依次尝试常见 appsettings 目录（仅保留租户管理端 TenantApi）
+        var candidateDirs = new[]
+        {
+            currentDir,
+            solutionRoot,
+            solutionRoot is null ? null : Path.Combine(solutionRoot, "src", "Api", "TakeoutSaaS.TenantApi")
+        }.Where(dir => !string.IsNullOrWhiteSpace(dir));
+
+        foreach (var dir in candidateDirs)
+        {
+            if (dir != null && Directory.Exists(dir) && HasAppSettings(dir))
+            {
+                return dir;
+            }
+        }
+
+        throw new InvalidOperationException(
+            "未找到 appsettings 配置文件，请设置 TAKEOUTSAAS_APPSETTINGS_DIR 环境变量指向包含 appsettings*.json 的目录。");
+    }
+
+    private static string? LocateSolutionRoot(string currentPath)
+    {
+        var directoryInfo = new DirectoryInfo(currentPath);
+        while (directoryInfo != null)
+        {
+            if (File.Exists(Path.Combine(directoryInfo.FullName, "TakeoutSaaS.sln")))
+            {
+                return directoryInfo.FullName;
+            }
+
+            directoryInfo = directoryInfo.Parent;
+        }
+
+        return null;
+    }
+
+    private static bool HasAppSettings(string directory) =>
+        File.Exists(Path.Combine(directory, "appsettings.json")) ||
+        Directory.GetFiles(directory, "appsettings.*.json").Length > 0;
+
+    private sealed class DesignTimeTenantProvider : ITenantProvider
+    {
+        /// <summary>
+        /// 设计时返回默认租户 ID。
+        /// </summary>
+        /// <returns>默认租户 ID。</returns>
+        public long GetCurrentTenantId() => 0;
+    }
+
+    private sealed class DesignTimeCurrentUserAccessor : ICurrentUserAccessor
+    {
+        /// <summary>
+        /// 设计时用户标识。
+        /// </summary>
+        public long UserId => 0;
+        /// <summary>
+        /// 设计时用户鉴权标识。
+        /// </summary>
+        public bool IsAuthenticated => false;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/IDatabaseConnectionFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/IDatabaseConnectionFactory.cs
new file mode 100644
index 0000000..4a684df
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/IDatabaseConnectionFactory.cs
@@ -0,0 +1,17 @@
+using TakeoutSaaS.Shared.Abstractions.Data;
+
+namespace TakeoutSaaS.Infrastructure.Common.Persistence;
+
+/// <summary>
+/// 数据库连接工厂，负责按读写角色选择对应连接串及配置。
+/// </summary>
+public interface IDatabaseConnectionFactory
+{
+    /// <summary>
+    /// 获取指定数据源与读写角色的连接信息。
+    /// </summary>
+    /// <param name="dataSourceName">逻辑数据源名称。</param>
+    /// <param name="role">连接角色（读/写）。</param>
+    /// <returns>连接串与相关配置。</returns>
+    DatabaseConnectionDetails GetConnection(string dataSourceName, DatabaseConnectionRole role);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/QueryFilterCombiner.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/QueryFilterCombiner.cs
new file mode 100644
index 0000000..d9fabf7
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/QueryFilterCombiner.cs
@@ -0,0 +1,23 @@
+using System.Linq.Expressions;
+using Microsoft.EntityFrameworkCore;
+
+namespace TakeoutSaaS.Infrastructure.Common.Persistence;
+
+/// <summary>
+/// 查询过滤器合并器：用于追加具名 QueryFilter，避免覆盖已有过滤器。
+/// </summary>
+internal static class QueryFilterCombiner
+{
+    /// <summary>
+    /// 为指定实体追加具名查询过滤器。
+    /// </summary>
+    /// <typeparam name="TEntity">实体类型。</typeparam>
+    /// <param name="modelBuilder">模型构建器。</param>
+    /// <param name="filterKey">过滤器键。</param>
+    /// <param name="filter">新增过滤器表达式。</param>
+    internal static void Combine<TEntity>(ModelBuilder modelBuilder, string filterKey, Expression<Func<TEntity, bool>> filter)
+        where TEntity : class
+    {
+        modelBuilder.Entity<TEntity>().HasQueryFilter(filterKey, filter);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs
new file mode 100644
index 0000000..af8e9f8
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs
@@ -0,0 +1,104 @@
+using Microsoft.EntityFrameworkCore;
+using System.Reflection;
+using System.Linq;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Common.Persistence;
+
+/// <summary>
+/// 多租户感知 DbContext：自动应用租户过滤并填充租户字段。
+/// </summary>
+public abstract class TenantAwareDbContext(
+    DbContextOptions options,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IIdGenerator? idGenerator = null) : AppDbContext(options, currentUserAccessor, idGenerator)
+{
+    private readonly ITenantProvider _tenantProvider = tenantProvider ?? throw new ArgumentNullException(nameof(tenantProvider));
+
+    /// <summary>
+    /// 当前请求租户 ID。
+    /// </summary>
+    protected long CurrentTenantId => _tenantProvider.GetCurrentTenantId();
+
+    /// <summary>
+    /// 保存前填充租户元数据并执行基础处理。
+    /// </summary>
+    protected override void OnBeforeSaving()
+    {
+        ApplyTenantMetadata();
+        base.OnBeforeSaving();
+    }
+
+    /// <summary>
+    /// 应用租户过滤器到所有实现 <see cref="IMultiTenantEntity"/> 的实体。
+    /// </summary>
+    /// <param name="modelBuilder">模型构建器。</param>
+    protected void ApplyTenantQueryFilters(ModelBuilder modelBuilder)
+    {
+        foreach (var entityType in modelBuilder.Model.GetEntityTypes())
+        {
+            if (!typeof(IMultiTenantEntity).IsAssignableFrom(entityType.ClrType))
+            {
+                continue;
+            }
+
+            var methodInfo = typeof(TenantAwareDbContext)
+                .GetMethod(nameof(SetTenantFilter), BindingFlags.Instance | BindingFlags.NonPublic)!
+                .MakeGenericMethod(entityType.ClrType);
+
+            methodInfo.Invoke(this, new object[] { modelBuilder });
+        }
+    }
+
+    /// <summary>
+    /// 为具体实体设置租户过滤器。
+    /// </summary>
+    /// <typeparam name="TEntity">实体类型。</typeparam>
+    /// <param name="modelBuilder">模型构建器。</param>
+    private void SetTenantFilter<TEntity>(ModelBuilder modelBuilder)
+        where TEntity : class, IMultiTenantEntity
+    {
+        QueryFilterCombiner.Combine<TEntity>(modelBuilder, "tenant", entity => entity.TenantId == CurrentTenantId);
+    }
+
+    /// <summary>
+    /// 为新增实体填充租户 ID。
+    /// </summary>
+    private void ApplyTenantMetadata()
+    {
+        var tenantId = CurrentTenantId;
+
+        foreach (var entry in ChangeTracker.Entries<IMultiTenantEntity>())
+        {
+            if (entry.State is EntityState.Detached or EntityState.Unchanged)
+            {
+                continue;
+            }
+
+            if (tenantId == 0)
+            {
+                if (entry.Entity.TenantId != 0)
+                {
+                    throw new InvalidOperationException("未进入租户上下文，禁止写入 TenantId 不为 0 的多租户数据。");
+                }
+
+                continue;
+            }
+
+            if (entry.State == EntityState.Added && entry.Entity.TenantId == 0)
+            {
+                entry.Entity.TenantId = tenantId;
+                continue;
+            }
+
+            if (entry.Entity.TenantId != tenantId)
+            {
+                throw new InvalidOperationException("检测到跨租户写入，已阻止保存。");
+            }
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/CacheMetricsCollector.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/CacheMetricsCollector.cs
new file mode 100644
index 0000000..007ba4b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/CacheMetricsCollector.cs
@@ -0,0 +1,212 @@
+using System.Collections.Concurrent;
+using System.Diagnostics;
+using System.Diagnostics.Metrics;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Caching;
+
+/// <summary>
+/// 缓存命中/耗时指标采集器。
+/// </summary>
+public sealed class CacheMetricsCollector
+{
+    private const string MeterName = "TakeoutSaaS.DictionaryCache";
+    private static readonly Meter Meter = new(MeterName, "1.0.0");
+
+    private readonly Counter<long> _hitCounter;
+    private readonly Counter<long> _missCounter;
+    private readonly Counter<long> _invalidationCounter;
+    private readonly Histogram<double> _durationHistogram;
+    private readonly ConcurrentQueue<CacheQueryRecord> _queries = new();
+    private readonly TimeSpan _retention = TimeSpan.FromDays(7);
+
+    private long _hitTotal;
+    private long _missTotal;
+
+    /// <summary>
+    /// 初始化指标采集器。
+    /// </summary>
+    public CacheMetricsCollector()
+    {
+        _hitCounter = Meter.CreateCounter<long>("cache_hit_count");
+        _missCounter = Meter.CreateCounter<long>("cache_miss_count");
+        _invalidationCounter = Meter.CreateCounter<long>("cache_invalidation_count");
+        _durationHistogram = Meter.CreateHistogram<double>("cache_query_duration_ms");
+
+        Meter.CreateObservableGauge(
+            "cache_hit_ratio",
+            () => new Measurement<double>(CalculateHitRatio()));
+    }
+
+    /// <summary>
+    /// 记录缓存命中。
+    /// </summary>
+    public void RecordHit(string cacheLevel, string dictionaryCode)
+    {
+        Interlocked.Increment(ref _hitTotal);
+        _hitCounter.Add(1, new TagList
+        {
+            { "cache_level", cacheLevel },
+            { "dictionary_code", NormalizeCode(dictionaryCode) }
+        });
+    }
+
+    /// <summary>
+    /// 记录缓存未命中。
+    /// </summary>
+    public void RecordMiss(string cacheLevel, string dictionaryCode)
+    {
+        Interlocked.Increment(ref _missTotal);
+        _missCounter.Add(1, new TagList
+        {
+            { "cache_level", cacheLevel },
+            { "dictionary_code", NormalizeCode(dictionaryCode) }
+        });
+    }
+
+    /// <summary>
+    /// 记录缓存查询耗时。
+    /// </summary>
+    public void RecordDuration(string dictionaryCode, double durationMs)
+    {
+        _durationHistogram.Record(durationMs, new TagList
+        {
+            { "dictionary_code", NormalizeCode(dictionaryCode) }
+        });
+    }
+
+    /// <summary>
+    /// 记录查询详情，用于统计窗口分析。
+    /// </summary>
+    public void RecordQuery(string dictionaryCode, bool l1Hit, bool l2Hit, double durationMs)
+    {
+        var record = new CacheQueryRecord(DateTime.UtcNow, NormalizeCode(dictionaryCode), l1Hit, l2Hit, durationMs);
+        _queries.Enqueue(record);
+        PruneOldRecords();
+    }
+
+    /// <summary>
+    /// 记录缓存失效事件。
+    /// </summary>
+    public void RecordInvalidation(string dictionaryCode)
+    {
+        _invalidationCounter.Add(1, new TagList
+        {
+            { "dictionary_code", NormalizeCode(dictionaryCode) }
+        });
+    }
+
+    /// <summary>
+    /// 获取指定时间范围内的统计快照。
+    /// </summary>
+    public CacheStatsSnapshot GetSnapshot(TimeSpan window)
+    {
+        var since = DateTime.UtcNow.Subtract(window);
+        var records = _queries.Where(record => record.Timestamp >= since).ToList();
+
+        var l1Hits = records.Count(record => record.L1Hit);
+        var l1Misses = records.Count(record => !record.L1Hit);
+        var l2Hits = records.Count(record => record.L2Hit);
+        var l2Misses = records.Count(record => !record.L1Hit && !record.L2Hit);
+
+        var totalHits = l1Hits + l2Hits;
+        var totalMisses = l1Misses + l2Misses;
+        var hitRatio = totalHits + totalMisses == 0 ? 0 : totalHits / (double)(totalHits + totalMisses);
+        var averageDuration = records.Count == 0 ? 0 : records.Average(record => record.DurationMs);
+
+        var topQueried = records
+            .GroupBy(record => record.DictionaryCode)
+            .Select(group => new DictionaryQueryCount(group.Key, group.Count()))
+            .OrderByDescending(item => item.QueryCount)
+            .Take(5)
+            .ToList();
+
+        return new CacheStatsSnapshot(
+            totalHits,
+            totalMisses,
+            hitRatio,
+            new CacheLevelStats(l1Hits, l2Hits),
+            new CacheLevelStats(l1Misses, l2Misses),
+            averageDuration,
+            topQueried);
+    }
+
+    /// <summary>
+    /// 从缓存键解析字典编码。
+    /// </summary>
+    public static string ExtractDictionaryCode(string cacheKey)
+    {
+        if (string.IsNullOrWhiteSpace(cacheKey))
+        {
+            return "unknown";
+        }
+
+        if (cacheKey.StartsWith("dict:groups:", StringComparison.Ordinal))
+        {
+            return "groups";
+        }
+
+        if (cacheKey.StartsWith("dict:items:", StringComparison.Ordinal))
+        {
+            return "items";
+        }
+
+        if (cacheKey.StartsWith("dict:", StringComparison.Ordinal))
+        {
+            var parts = cacheKey.Split(':', StringSplitOptions.RemoveEmptyEntries);
+            if (parts.Length >= 3)
+            {
+                return parts[2];
+            }
+        }
+
+        return "unknown";
+    }
+
+    private static string NormalizeCode(string? code)
+        => string.IsNullOrWhiteSpace(code) ? "unknown" : code.Trim().ToLowerInvariant();
+
+    private double CalculateHitRatio()
+    {
+        var hits = Interlocked.Read(ref _hitTotal);
+        var misses = Interlocked.Read(ref _missTotal);
+        return hits + misses == 0 ? 0 : hits / (double)(hits + misses);
+    }
+
+    private void PruneOldRecords()
+    {
+        var cutoff = DateTime.UtcNow.Subtract(_retention);
+        while (_queries.TryPeek(out var record) && record.Timestamp < cutoff)
+        {
+            _queries.TryDequeue(out _);
+        }
+    }
+
+    private sealed record CacheQueryRecord(
+        DateTime Timestamp,
+        string DictionaryCode,
+        bool L1Hit,
+        bool L2Hit,
+        double DurationMs);
+}
+
+/// <summary>
+/// 缓存统计快照。
+/// </summary>
+public sealed record CacheStatsSnapshot(
+    long TotalHits,
+    long TotalMisses,
+    double HitRatio,
+    CacheLevelStats HitsByLevel,
+    CacheLevelStats MissesByLevel,
+    double AverageQueryDurationMs,
+    IReadOnlyList<DictionaryQueryCount> TopQueriedDictionaries);
+
+/// <summary>
+/// 命中统计。
+/// </summary>
+public sealed record CacheLevelStats(long L1, long L2);
+
+/// <summary>
+/// 字典查询次数统计。
+/// </summary>
+public sealed record DictionaryQueryCount(string Code, int QueryCount);
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/CacheWarmupService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/CacheWarmupService.cs
new file mode 100644
index 0000000..71af78e
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/CacheWarmupService.cs
@@ -0,0 +1,57 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Application.Dictionary.Services;
+using TakeoutSaaS.Infrastructure.Dictionary.Options;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Caching;
+
+/// <summary>
+/// 字典缓存预热服务。
+/// </summary>
+public sealed class CacheWarmupService(
+    IServiceScopeFactory scopeFactory,
+    IOptions<DictionaryCacheWarmupOptions> options,
+    ILogger<CacheWarmupService> logger) : IHostedService
+{
+    private const int MaxWarmupCount = 10;
+
+    /// <inheritdoc />
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        var codes = options.Value.DictionaryCodes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .Take(MaxWarmupCount)
+            .ToArray();
+
+        if (codes.Length == 0)
+        {
+            logger.LogInformation("未配置字典缓存预热列表。");
+            return;
+        }
+
+        using var scope = scopeFactory.CreateScope();
+        var queryService = scope.ServiceProvider.GetRequiredService<DictionaryQueryService>();
+
+        foreach (var code in codes)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            try
+            {
+                await queryService.GetMergedDictionaryAsync(code, cancellationToken);
+                logger.LogInformation("字典缓存预热完成: {DictionaryCode}", code);
+            }
+            catch (Exception ex)
+            {
+                logger.LogWarning(ex, "字典缓存预热失败: {DictionaryCode}", code);
+            }
+        }
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/HybridCacheService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/HybridCacheService.cs
new file mode 100644
index 0000000..5bdb292
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/HybridCacheService.cs
@@ -0,0 +1,229 @@
+using System.Diagnostics;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using StackExchange.Redis;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Security;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Caching;
+
+/// <summary>
+/// 两级缓存封装：L1 内存 + L2 Redis。
+/// </summary>
+public sealed class HybridCacheService : IDictionaryHybridCache
+{
+    private static readonly RedisChannel InvalidationChannel = RedisChannel.Literal("dictionary:cache:invalidate");
+
+    private readonly MemoryCacheService _memoryCache;
+    private readonly RedisCacheService _redisCache;
+    private readonly ISubscriber? _subscriber;
+    private readonly ILogger<HybridCacheService>? _logger;
+    private readonly CacheMetricsCollector? _metrics;
+    private readonly IServiceScopeFactory? _scopeFactory;
+
+    /// <summary>
+    /// 初始化两级缓存服务。
+    /// </summary>
+    public HybridCacheService(
+        MemoryCacheService memoryCache,
+        RedisCacheService redisCache,
+        IConnectionMultiplexer? multiplexer = null,
+        ILogger<HybridCacheService>? logger = null,
+        CacheMetricsCollector? metrics = null,
+        IServiceScopeFactory? scopeFactory = null)
+    {
+        _memoryCache = memoryCache;
+        _redisCache = redisCache;
+        _logger = logger;
+        _subscriber = multiplexer?.GetSubscriber();
+        _metrics = metrics;
+        _scopeFactory = scopeFactory;
+
+        if (_subscriber != null)
+        {
+            _subscriber.Subscribe(InvalidationChannel, (_, value) =>
+            {
+                var prefix = value.ToString();
+                if (!string.IsNullOrWhiteSpace(prefix))
+                {
+                    _memoryCache.RemoveByPrefix(prefix);
+                }
+            });
+        }
+    }
+
+    /// <summary>
+    /// 获取缓存，如果不存在则创建并回填。
+    /// </summary>
+    public async Task<T?> GetOrCreateAsync<T>(
+        string key,
+        TimeSpan ttl,
+        Func<CancellationToken, Task<T?>> factory,
+        CancellationToken cancellationToken = default)
+    {
+        var stopwatch = Stopwatch.StartNew();
+        var dictionaryCode = CacheMetricsCollector.ExtractDictionaryCode(key);
+        var l1Hit = false;
+        var l2Hit = false;
+
+        var cached = await _memoryCache.GetAsync<T>(key, cancellationToken);
+        if (cached != null)
+        {
+            l1Hit = true;
+            _metrics?.RecordHit("L1", dictionaryCode);
+            _metrics?.RecordDuration(dictionaryCode, stopwatch.Elapsed.TotalMilliseconds);
+            _metrics?.RecordQuery(dictionaryCode, l1Hit, l2Hit, stopwatch.Elapsed.TotalMilliseconds);
+            return cached;
+        }
+
+        _metrics?.RecordMiss("L1", dictionaryCode);
+
+        try
+        {
+            cached = await _redisCache.GetAsync<T>(key, cancellationToken);
+            if (cached != null)
+            {
+                l2Hit = true;
+                _metrics?.RecordHit("L2", dictionaryCode);
+                await _memoryCache.SetAsync(key, cached, ttl, cancellationToken);
+                _metrics?.RecordDuration(dictionaryCode, stopwatch.Elapsed.TotalMilliseconds);
+                _metrics?.RecordQuery(dictionaryCode, l1Hit, l2Hit, stopwatch.Elapsed.TotalMilliseconds);
+                return cached;
+            }
+
+            _metrics?.RecordMiss("L2", dictionaryCode);
+        }
+        catch (Exception ex)
+        {
+            _metrics?.RecordMiss("L2", dictionaryCode);
+            _logger?.LogWarning(ex, "读取 Redis 缓存失败，降级为数据库查询。");
+        }
+
+        var created = await factory(cancellationToken);
+        if (created == null)
+        {
+            _metrics?.RecordDuration(dictionaryCode, stopwatch.Elapsed.TotalMilliseconds);
+            _metrics?.RecordQuery(dictionaryCode, l1Hit, l2Hit, stopwatch.Elapsed.TotalMilliseconds);
+            return default;
+        }
+
+        await _memoryCache.SetAsync(key, created, ttl, cancellationToken);
+        try
+        {
+            await _redisCache.SetAsync(key, created, ttl, cancellationToken);
+        }
+        catch (Exception ex)
+        {
+            _logger?.LogWarning(ex, "写入 Redis 缓存失败。");
+        }
+
+        _metrics?.RecordDuration(dictionaryCode, stopwatch.Elapsed.TotalMilliseconds);
+        _metrics?.RecordQuery(dictionaryCode, l1Hit, l2Hit, stopwatch.Elapsed.TotalMilliseconds);
+        return created;
+    }
+
+    /// <summary>
+    /// 失效指定前缀的缓存键。
+    /// </summary>
+    public async Task InvalidateAsync(
+        string prefix,
+        CacheInvalidationOperation operation = CacheInvalidationOperation.Update,
+        CancellationToken cancellationToken = default)
+    {
+        var dictionaryCode = CacheMetricsCollector.ExtractDictionaryCode(prefix);
+        _metrics?.RecordInvalidation(dictionaryCode);
+
+        var removedCount = _memoryCache.RemoveByPrefixWithCount(prefix);
+        long redisRemoved = 0;
+        try
+        {
+            redisRemoved = await _redisCache.RemoveByPrefixWithCountAsync(prefix, cancellationToken);
+        }
+        catch (Exception ex)
+        {
+            _logger?.LogWarning(ex, "删除 Redis 缓存失败。");
+        }
+
+        var totalRemoved = removedCount + (int)Math.Min(redisRemoved, int.MaxValue);
+
+        if (_subscriber != null && !string.IsNullOrWhiteSpace(prefix))
+        {
+            await _subscriber.PublishAsync(InvalidationChannel, prefix);
+        }
+
+        _ = WriteInvalidationLogAsync(prefix, dictionaryCode, totalRemoved, operation);
+    }
+
+    private async Task WriteInvalidationLogAsync(
+        string prefix,
+        string dictionaryCode,
+        int removedCount,
+        CacheInvalidationOperation operation)
+    {
+        if (_scopeFactory == null)
+        {
+            return;
+        }
+
+        try
+        {
+            using var scope = _scopeFactory.CreateScope();
+            var repo = scope.ServiceProvider.GetService<ICacheInvalidationLogRepository>();
+            if (repo == null)
+            {
+                return;
+            }
+
+            var currentUser = scope.ServiceProvider.GetService<ICurrentUserAccessor>();
+            var tenantId = TryExtractTenantId(prefix) ?? 0;
+            var scopeType = tenantId == 0 ? DictionaryScope.System : DictionaryScope.Business;
+
+            var log = new CacheInvalidationLog
+            {
+                TenantId = tenantId,
+                Timestamp = DateTime.UtcNow,
+                DictionaryCode = dictionaryCode,
+                Scope = scopeType,
+                AffectedCacheKeyCount = removedCount,
+                OperatorId = currentUser?.IsAuthenticated == true ? currentUser.UserId : 0,
+                Operation = operation
+            };
+
+            await repo.AddAsync(log);
+            await repo.SaveChangesAsync();
+        }
+        catch (Exception ex)
+        {
+            _logger?.LogWarning(ex, "写入缓存失效日志失败。");
+        }
+    }
+
+    private static long? TryExtractTenantId(string prefix)
+    {
+        if (string.IsNullOrWhiteSpace(prefix))
+        {
+            return null;
+        }
+
+        if (prefix.StartsWith("dict:groups:", StringComparison.Ordinal))
+        {
+            var token = prefix.Replace("dict:groups:", string.Empty, StringComparison.Ordinal).Trim(':');
+            return long.TryParse(token.Split(':', StringSplitOptions.RemoveEmptyEntries).FirstOrDefault(), out var tenantId)
+                ? tenantId
+                : null;
+        }
+
+        if (prefix.StartsWith("dict:", StringComparison.Ordinal) && !prefix.StartsWith("dict:items:", StringComparison.Ordinal))
+        {
+            var token = prefix.Replace("dict:", string.Empty, StringComparison.Ordinal);
+            return long.TryParse(token.Split(':', StringSplitOptions.RemoveEmptyEntries).FirstOrDefault(), out var tenantId)
+                ? tenantId
+                : null;
+        }
+
+        return null;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/MemoryCacheService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/MemoryCacheService.cs
new file mode 100644
index 0000000..ca9c7e0
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/MemoryCacheService.cs
@@ -0,0 +1,82 @@
+using Microsoft.Extensions.Caching.Memory;
+using System.Collections.Concurrent;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Caching;
+
+/// <summary>
+/// 本地内存缓存封装。
+/// </summary>
+public sealed class MemoryCacheService(IMemoryCache cache)
+{
+    private readonly ConcurrentDictionary<string, byte> _keys = new(StringComparer.Ordinal);
+
+    /// <summary>
+    /// 读取缓存。
+    /// </summary>
+    public Task<T?> GetAsync<T>(string key, CancellationToken cancellationToken = default)
+    {
+        return Task.FromResult(cache.TryGetValue(key, out T? value) ? value : default);
+    }
+
+    /// <summary>
+    /// 写入缓存。
+    /// </summary>
+    public Task SetAsync<T>(string key, T value, TimeSpan ttl, CancellationToken cancellationToken = default)
+    {
+        cache.Set(key, value, new MemoryCacheEntryOptions
+        {
+            SlidingExpiration = ttl
+        });
+        _keys.TryAdd(key, 0);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除缓存键。
+    /// </summary>
+    public void Remove(string key)
+    {
+        cache.Remove(key);
+        _keys.TryRemove(key, out _);
+    }
+
+    /// <summary>
+    /// 按前缀删除缓存键。
+    /// </summary>
+    public void RemoveByPrefix(string prefix)
+        => RemoveByPrefixWithCount(prefix);
+
+    /// <summary>
+    /// 按前缀删除缓存键并返回数量。
+    /// </summary>
+    public int RemoveByPrefixWithCount(string prefix)
+    {
+        if (string.IsNullOrWhiteSpace(prefix))
+        {
+            return 0;
+        }
+
+        var removed = 0;
+        foreach (var key in _keys.Keys)
+        {
+            if (key.StartsWith(prefix, StringComparison.Ordinal))
+            {
+                Remove(key);
+                removed += 1;
+            }
+        }
+
+        return removed;
+    }
+
+    /// <summary>
+    /// 清理所有缓存。
+    /// </summary>
+    public void Clear()
+    {
+        foreach (var key in _keys.Keys)
+        {
+            Remove(key);
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/RedisCacheService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/RedisCacheService.cs
new file mode 100644
index 0000000..f28ff57
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Caching/RedisCacheService.cs
@@ -0,0 +1,79 @@
+using Microsoft.Extensions.Caching.Distributed;
+using System.Text.Json;
+using StackExchange.Redis;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Caching;
+
+/// <summary>
+/// Redis 缓存访问封装。
+/// </summary>
+public sealed class RedisCacheService(IDistributedCache cache, IConnectionMultiplexer? multiplexer = null)
+{
+    private readonly JsonSerializerOptions _serializerOptions = new(JsonSerializerDefaults.Web);
+    private readonly IDatabase? _database = multiplexer?.GetDatabase();
+    private readonly IConnectionMultiplexer? _multiplexer = multiplexer;
+
+    /// <summary>
+    /// 读取缓存。
+    /// </summary>
+    public async Task<T?> GetAsync<T>(string key, CancellationToken cancellationToken = default)
+    {
+        var payload = await cache.GetAsync(key, cancellationToken);
+        if (payload == null || payload.Length == 0)
+        {
+            return default;
+        }
+
+        return JsonSerializer.Deserialize<T>(payload, _serializerOptions);
+    }
+
+    /// <summary>
+    /// 写入缓存。
+    /// </summary>
+    public Task SetAsync<T>(string key, T value, TimeSpan ttl, CancellationToken cancellationToken = default)
+    {
+        var payload = JsonSerializer.SerializeToUtf8Bytes(value, _serializerOptions);
+        var options = new DistributedCacheEntryOptions
+        {
+            AbsoluteExpirationRelativeToNow = ttl
+        };
+        return cache.SetAsync(key, payload, options, cancellationToken);
+    }
+
+    /// <summary>
+    /// 删除缓存键。
+    /// </summary>
+    public Task RemoveAsync(string key, CancellationToken cancellationToken = default)
+        => cache.RemoveAsync(key, cancellationToken);
+
+    /// <summary>
+    /// 按前缀删除缓存键。
+    /// </summary>
+    public async Task RemoveByPrefixAsync(string prefix, CancellationToken cancellationToken = default)
+        => await RemoveByPrefixWithCountAsync(prefix, cancellationToken).ConfigureAwait(false);
+
+    /// <summary>
+    /// 按前缀删除缓存键并返回数量。
+    /// </summary>
+    public async Task<long> RemoveByPrefixWithCountAsync(string prefix, CancellationToken cancellationToken = default)
+    {
+        if (_multiplexer == null || _database == null || string.IsNullOrWhiteSpace(prefix))
+        {
+            return 0;
+        }
+
+        var pattern = prefix.EndsWith('*') ? prefix : $"{prefix}*";
+        long removed = 0;
+        foreach (var endpoint in _multiplexer.GetEndPoints())
+        {
+            var server = _multiplexer.GetServer(endpoint);
+            foreach (var key in server.Keys(pattern: pattern))
+            {
+                await _database.KeyDeleteAsync(key).ConfigureAwait(false);
+                removed += 1;
+            }
+        }
+
+        return removed;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
new file mode 100644
index 0000000..1db973a
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
@@ -0,0 +1,111 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Caching.StackExchangeRedis;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using StackExchange.Redis;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+using TakeoutSaaS.Infrastructure.Common.Extensions;
+using TakeoutSaaS.Infrastructure.Dictionary.Caching;
+using TakeoutSaaS.Infrastructure.Dictionary.ImportExport;
+using TakeoutSaaS.Infrastructure.Dictionary.Options;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+using TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Services;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Extensions;
+
+/// <summary>
+/// 字典基础设施注册扩展。
+/// </summary>
+public static class DictionaryServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册字典模块基础设施。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <param name="configuration">配置源。</param>
+    /// <returns>服务集合。</returns>
+    /// <exception cref="InvalidOperationException">缺少数据库配置时抛出。</exception>
+    public static IServiceCollection AddDictionaryInfrastructure(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddDatabaseInfrastructure(configuration);
+        services.AddPostgresDbContext<DictionaryDbContext>(DatabaseConstants.DictionaryDataSource);
+
+        services.AddScoped<IDictionaryRepository, EfDictionaryRepository>();
+        services.AddScoped<IDictionaryGroupRepository, DictionaryGroupRepository>();
+        services.AddScoped<IDictionaryItemRepository, DictionaryItemRepository>();
+        services.AddScoped<ITenantDictionaryOverrideRepository, TenantDictionaryOverrideRepository>();
+        services.AddScoped<IDictionaryLabelOverrideRepository, DictionaryLabelOverrideRepository>();
+        services.AddScoped<IDictionaryImportLogRepository, DictionaryImportLogRepository>();
+        services.AddScoped<ICacheInvalidationLogRepository, CacheInvalidationLogRepository>();
+        services.AddScoped<ISystemParameterRepository, EfSystemParameterRepository>();
+        services.AddScoped<IDictionaryCache, DistributedDictionaryCache>();
+        services.AddScoped<ICsvDictionaryParser, CsvDictionaryParser>();
+        services.AddScoped<IJsonDictionaryParser, JsonDictionaryParser>();
+
+        services.AddMemoryCache();
+
+        var redisConnection = configuration.GetConnectionString("Redis");
+        var hasDistributedCache = services.Any(descriptor => descriptor.ServiceType == typeof(IDistributedCache));
+        if (!hasDistributedCache)
+        {
+            if (!string.IsNullOrWhiteSpace(redisConnection))
+            {
+                services.AddStackExchangeRedisCache(options =>
+                {
+                    options.Configuration = redisConnection;
+                });
+            }
+            else
+            {
+                services.AddDistributedMemoryCache();
+            }
+        }
+
+        if (!string.IsNullOrWhiteSpace(redisConnection) && !services.Any(descriptor => descriptor.ServiceType == typeof(IConnectionMultiplexer)))
+        {
+            services.AddSingleton<IConnectionMultiplexer>(_ => ConnectionMultiplexer.Connect(redisConnection));
+        }
+
+        services.AddSingleton<MemoryCacheService>();
+        services.AddSingleton<CacheMetricsCollector>();
+        services.AddSingleton(sp => new RedisCacheService(
+            sp.GetRequiredService<IDistributedCache>(),
+            sp.GetService<IConnectionMultiplexer>()));
+        services.AddSingleton(sp => new HybridCacheService(
+            sp.GetRequiredService<MemoryCacheService>(),
+            sp.GetRequiredService<RedisCacheService>(),
+            sp.GetService<IConnectionMultiplexer>(),
+            sp.GetService<ILogger<HybridCacheService>>(),
+            sp.GetService<CacheMetricsCollector>(),
+            sp.GetService<IServiceScopeFactory>()));
+        services.AddSingleton<IDictionaryHybridCache>(sp => sp.GetRequiredService<HybridCacheService>());
+
+        services.AddOptions<DictionaryCacheOptions>()
+            .Bind(configuration.GetSection("Dictionary:Cache"))
+            .ValidateDataAnnotations();
+
+        services.AddOptions<DictionaryCacheWarmupOptions>()
+            .Bind(configuration.GetSection("CacheWarmup"))
+            .ValidateDataAnnotations();
+
+        services.AddHostedService<CacheWarmupService>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// 确保数据库连接已配置（Database 节或 ConnectionStrings）。
+    /// </summary>
+    /// <param name="configuration">配置源。</param>
+    /// <param name="dataSourceName">数据源名称。</param>
+    /// <exception cref="InvalidOperationException">未配置时抛出。</exception>
+    private static void EnsureDatabaseConnectionConfigured(IConfiguration configuration, string dataSourceName)
+    {
+        // 保留兼容接口，当前逻辑在 DatabaseConnectionFactory 中兜底并记录日志。
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/ImportExport/CsvDictionaryParser.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/ImportExport/CsvDictionaryParser.cs
new file mode 100644
index 0000000..ed92bc4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/ImportExport/CsvDictionaryParser.cs
@@ -0,0 +1,91 @@
+using CsvHelper;
+using CsvHelper.Configuration;
+using System.Globalization;
+using System.Text;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Models;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.ImportExport;
+
+/// <summary>
+/// CSV 字典导入解析器。
+/// </summary>
+public sealed class CsvDictionaryParser : ICsvDictionaryParser
+{
+    private static readonly CsvConfiguration CsvConfiguration = new(CultureInfo.InvariantCulture)
+    {
+        HasHeaderRecord = true,
+        MissingFieldFound = null,
+        BadDataFound = null,
+        DetectColumnCountChanges = false,
+        TrimOptions = TrimOptions.Trim,
+        PrepareHeaderForMatch = args => args.Header?.Trim().ToLowerInvariant() ?? string.Empty
+    };
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<DictionaryImportRow>> ParseAsync(Stream stream, CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(stream);
+
+        if (stream.CanSeek)
+        {
+            stream.Position = 0;
+        }
+
+        var rows = new List<DictionaryImportRow>();
+        using var reader = new StreamReader(stream, new UTF8Encoding(encoderShouldEmitUTF8Identifier: false), detectEncodingFromByteOrderMarks: true, leaveOpen: true);
+        using var csv = new CsvReader(reader, CsvConfiguration);
+
+        if (!await csv.ReadAsync() || !csv.ReadHeader())
+        {
+            return rows;
+        }
+
+        while (await csv.ReadAsync())
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var rowNumber = csv.Context?.Parser?.Row ?? 0;
+            rows.Add(new DictionaryImportRow
+            {
+                RowNumber = rowNumber,
+                Code = ReadString(csv, "code"),
+                Key = ReadString(csv, "key"),
+                Value = ReadString(csv, "value"),
+                SortOrder = ReadInt(csv, "sortorder"),
+                IsEnabled = ReadBool(csv, "isenabled"),
+                Description = ReadString(csv, "description"),
+                Source = ReadString(csv, "source")
+            });
+        }
+
+        return rows;
+    }
+
+    private static string? ReadString(CsvReader csv, string name)
+    {
+        return csv.TryGetField(name, out string? value)
+            ? string.IsNullOrWhiteSpace(value) ? null : value
+            : null;
+    }
+
+    private static int? ReadInt(CsvReader csv, string name)
+    {
+        if (csv.TryGetField(name, out string? value) && int.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var number))
+        {
+            return number;
+        }
+
+        return null;
+    }
+
+    private static bool? ReadBool(CsvReader csv, string name)
+    {
+        if (csv.TryGetField(name, out string? value) && bool.TryParse(value, out var flag))
+        {
+            return flag;
+        }
+
+        return null;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/ImportExport/JsonDictionaryParser.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/ImportExport/JsonDictionaryParser.cs
new file mode 100644
index 0000000..855105b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/ImportExport/JsonDictionaryParser.cs
@@ -0,0 +1,131 @@
+using System.Text.Json;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Models;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.ImportExport;
+
+/// <summary>
+/// JSON 字典导入解析器。
+/// </summary>
+public sealed class JsonDictionaryParser : IJsonDictionaryParser
+{
+    private static readonly JsonDocumentOptions DocumentOptions = new()
+    {
+        AllowTrailingCommas = true
+    };
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<DictionaryImportRow>> ParseAsync(Stream stream, CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(stream);
+
+        if (stream.CanSeek)
+        {
+            stream.Position = 0;
+        }
+
+        using var document = await JsonDocument.ParseAsync(stream, DocumentOptions, cancellationToken);
+        if (document.RootElement.ValueKind != JsonValueKind.Array)
+        {
+            return Array.Empty<DictionaryImportRow>();
+        }
+
+        var rows = new List<DictionaryImportRow>();
+        var index = 0;
+
+        foreach (var element in document.RootElement.EnumerateArray())
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            index++;
+
+            rows.Add(new DictionaryImportRow
+            {
+                RowNumber = index,
+                Code = ReadString(element, "code"),
+                Key = ReadString(element, "key"),
+                Value = ReadValue(element, "value"),
+                SortOrder = ReadInt(element, "sortOrder"),
+                IsEnabled = ReadBool(element, "isEnabled"),
+                Description = ReadString(element, "description"),
+                Source = ReadString(element, "source")
+            });
+        }
+
+        return rows;
+    }
+
+    private static string? ReadString(JsonElement element, string propertyName)
+    {
+        if (!TryGetProperty(element, propertyName, out var value) || value.ValueKind == JsonValueKind.Null)
+        {
+            return null;
+        }
+
+        return value.ValueKind == JsonValueKind.String ? value.GetString() : value.GetRawText();
+    }
+
+    private static string? ReadValue(JsonElement element, string propertyName)
+    {
+        if (!TryGetProperty(element, propertyName, out var value) || value.ValueKind == JsonValueKind.Null)
+        {
+            return null;
+        }
+
+        return value.ValueKind == JsonValueKind.String ? value.GetString() : value.GetRawText();
+    }
+
+    private static int? ReadInt(JsonElement element, string propertyName)
+    {
+        if (!TryGetProperty(element, propertyName, out var value))
+        {
+            return null;
+        }
+
+        if (value.ValueKind == JsonValueKind.Number && value.TryGetInt32(out var number))
+        {
+            return number;
+        }
+
+        if (value.ValueKind == JsonValueKind.String && int.TryParse(value.GetString(), out var parsed))
+        {
+            return parsed;
+        }
+
+        return null;
+    }
+
+    private static bool? ReadBool(JsonElement element, string propertyName)
+    {
+        if (!TryGetProperty(element, propertyName, out var value))
+        {
+            return null;
+        }
+
+        if (value.ValueKind == JsonValueKind.True || value.ValueKind == JsonValueKind.False)
+        {
+            return value.GetBoolean();
+        }
+
+        if (value.ValueKind == JsonValueKind.String && bool.TryParse(value.GetString(), out var parsed))
+        {
+            return parsed;
+        }
+
+        return null;
+    }
+
+    private static bool TryGetProperty(JsonElement element, string propertyName, out JsonElement value)
+    {
+        foreach (var property in element.EnumerateObject())
+        {
+            if (string.Equals(property.Name, propertyName, StringComparison.OrdinalIgnoreCase))
+            {
+                value = property.Value;
+                return true;
+            }
+        }
+
+        value = default;
+        return false;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Options/DictionaryCacheOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Options/DictionaryCacheOptions.cs
new file mode 100644
index 0000000..c5df7a0
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Options/DictionaryCacheOptions.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Infrastructure.Dictionary.Options;
+
+/// <summary>
+/// 字典缓存配置。
+/// </summary>
+public sealed class DictionaryCacheOptions
+{
+    /// <summary>
+    /// 缓存滑动过期时间。
+    /// </summary>
+    public TimeSpan SlidingExpiration { get; set; } = TimeSpan.FromMinutes(30);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Options/DictionaryCacheWarmupOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Options/DictionaryCacheWarmupOptions.cs
new file mode 100644
index 0000000..7c5c2f4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Options/DictionaryCacheWarmupOptions.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Infrastructure.Dictionary.Options;
+
+/// <summary>
+/// 字典缓存预热配置。
+/// </summary>
+public sealed class DictionaryCacheWarmupOptions
+{
+    /// <summary>
+    /// 预热字典编码列表（最多前 10 个）。
+    /// </summary>
+    public string[] DictionaryCodes { get; set; } = Array.Empty<string>();
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDbContext.cs
new file mode 100644
index 0000000..0339ac7
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDbContext.cs
@@ -0,0 +1,267 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Domain.SystemParameters.Entities;
+using TakeoutSaaS.Infrastructure.Common.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+/// <summary>
+/// 参数字典 DbContext：承载字典与系统参数。
+/// </summary>
+public sealed class DictionaryDbContext(
+    DbContextOptions<DictionaryDbContext> options,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IIdGenerator? idGenerator = null)
+    : TenantAwareDbContext(options, tenantProvider, currentUserAccessor, idGenerator)
+{
+    /// <summary>
+    /// 字典分组集合。
+    /// </summary>
+    public DbSet<DictionaryGroup> DictionaryGroups => Set<DictionaryGroup>();
+
+    /// <summary>
+    /// 字典项集合。
+    /// </summary>
+    public DbSet<DictionaryItem> DictionaryItems => Set<DictionaryItem>();
+
+    /// <summary>
+    /// 租户字典覆盖集合。
+    /// </summary>
+    public DbSet<TenantDictionaryOverride> TenantDictionaryOverrides => Set<TenantDictionaryOverride>();
+
+    /// <summary>
+    /// 字典导入日志集合。
+    /// </summary>
+    public DbSet<DictionaryImportLog> DictionaryImportLogs => Set<DictionaryImportLog>();
+
+    /// <summary>
+    /// 缓存失效日志集合。
+    /// </summary>
+    public DbSet<CacheInvalidationLog> CacheInvalidationLogs => Set<CacheInvalidationLog>();
+
+    /// <summary>
+    /// 字典标签覆盖集合。
+    /// </summary>
+    public DbSet<DictionaryLabelOverride> DictionaryLabelOverrides => Set<DictionaryLabelOverride>();
+
+    /// <summary>
+    /// 系统参数集合。
+    /// </summary>
+    public DbSet<SystemParameter> SystemParameters => Set<SystemParameter>();
+
+    /// <summary>
+    /// 配置实体模型。
+    /// </summary>
+    /// <param name="modelBuilder">模型构建器。</param>
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+        var provider = Database.ProviderName;
+        var isSqlite = provider != null && provider.Contains("Sqlite", StringComparison.OrdinalIgnoreCase);
+        ConfigureGroup(modelBuilder.Entity<DictionaryGroup>(), isSqlite);
+        ConfigureItem(modelBuilder.Entity<DictionaryItem>(), isSqlite);
+        ConfigureOverride(modelBuilder.Entity<TenantDictionaryOverride>());
+        ConfigureLabelOverride(modelBuilder.Entity<DictionaryLabelOverride>());
+        ConfigureImportLog(modelBuilder.Entity<DictionaryImportLog>());
+        ConfigureCacheInvalidationLog(modelBuilder.Entity<CacheInvalidationLog>());
+        ConfigureSystemParameter(modelBuilder.Entity<SystemParameter>());
+        ApplyTenantQueryFilters(modelBuilder);
+    }
+
+    /// <summary>
+    /// 配置字典分组。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureGroup(EntityTypeBuilder<DictionaryGroup> builder, bool isSqlite)
+    {
+        builder.ToTable("dictionary_groups");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.Code)
+            .HasConversion(code => code.Value, value => new DictionaryCode(value))
+            .HasMaxLength(64)
+            .IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Scope).HasConversion<int>().IsRequired();
+        builder.Property(x => x.AllowOverride).HasDefaultValue(false);
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.IsEnabled).HasDefaultValue(true);
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        var rowVersion = builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+
+        if (isSqlite)
+        {
+            rowVersion.ValueGeneratedNever();
+            rowVersion.HasColumnType("BLOB");
+        }
+        else
+        {
+            rowVersion.IsRowVersion().HasColumnType("bytea");
+        }
+
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.Code })
+            .IsUnique()
+            .HasFilter("\"DeletedAt\" IS NULL");
+        builder.HasIndex(x => new { x.TenantId, x.Scope, x.IsEnabled });
+    }
+
+    /// <summary>
+    /// 配置字典项。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureItem(EntityTypeBuilder<DictionaryItem> builder, bool isSqlite)
+    {
+        builder.ToTable("dictionary_items");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.GroupId).IsRequired();
+        builder.Property(x => x.Key).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Value).HasColumnType("jsonb").IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.SortOrder).HasDefaultValue(100);
+        builder.Property(x => x.IsEnabled).HasDefaultValue(true);
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        var rowVersion = builder.Property(x => x.RowVersion)
+            .IsConcurrencyToken();
+
+        if (isSqlite)
+        {
+            rowVersion.ValueGeneratedNever();
+            rowVersion.HasColumnType("BLOB");
+        }
+        else
+        {
+            rowVersion.IsRowVersion().HasColumnType("bytea");
+        }
+
+        builder.HasOne(x => x.Group)
+            .WithMany(g => g.Items)
+            .HasForeignKey(x => x.GroupId)
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.GroupId, x.Key })
+            .IsUnique()
+            .HasFilter("\"DeletedAt\" IS NULL");
+        builder.HasIndex(x => new { x.GroupId, x.IsEnabled, x.SortOrder });
+    }
+
+    /// <summary>
+    /// 配置租户字典覆盖。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureOverride(EntityTypeBuilder<TenantDictionaryOverride> builder)
+    {
+        builder.ToTable("tenant_dictionary_overrides");
+        builder.HasKey(x => new { x.TenantId, x.SystemDictionaryGroupId });
+        builder.Property(x => x.OverrideEnabled).HasDefaultValue(false);
+        builder.Property(x => x.HiddenSystemItemIds).HasColumnType("bigint[]");
+        builder.Property(x => x.CustomSortOrder).HasColumnType("jsonb");
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasIndex(x => x.HiddenSystemItemIds).HasMethod("gin");
+    }
+
+    /// <summary>
+    /// 配置字典导入日志。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureImportLog(EntityTypeBuilder<DictionaryImportLog> builder)
+    {
+        builder.ToTable("dictionary_import_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.OperatorId).IsRequired();
+        builder.Property(x => x.DictionaryGroupCode).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.FileName).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Format).HasMaxLength(16).IsRequired();
+        builder.Property(x => x.ErrorDetails).HasColumnType("jsonb");
+        builder.Property(x => x.ProcessedAt).IsRequired();
+        builder.Property(x => x.Duration).HasColumnType("interval");
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasIndex(x => new { x.TenantId, x.ProcessedAt });
+    }
+
+    /// <summary>
+    /// 配置缓存失效日志。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureCacheInvalidationLog(EntityTypeBuilder<CacheInvalidationLog> builder)
+    {
+        builder.ToTable("dictionary_cache_invalidation_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.DictionaryCode).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Scope).HasConversion<int>().IsRequired();
+        builder.Property(x => x.Operation).HasConversion<int>().IsRequired();
+        builder.Property(x => x.Timestamp).IsRequired();
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasIndex(x => new { x.TenantId, x.Timestamp });
+    }
+
+    /// <summary>
+    /// 配置系统参数。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureSystemParameter(EntityTypeBuilder<SystemParameter> builder)
+    {
+        builder.ToTable("system_parameters");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.Key).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Value).HasColumnType("text").IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(512);
+        builder.Property(x => x.SortOrder).HasDefaultValue(100);
+        builder.Property(x => x.IsEnabled).HasDefaultValue(true);
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.Key }).IsUnique();
+    }
+
+    /// <summary>
+    /// 配置字典标签覆盖。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureLabelOverride(EntityTypeBuilder<DictionaryLabelOverride> builder)
+    {
+        builder.ToTable("dictionary_label_overrides", t => t.HasComment("字典标签覆盖配置。"));
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Id).HasComment("实体唯一标识。");
+        builder.Property(x => x.TenantId).IsRequired().HasComment("所属租户 ID（覆盖目标租户）。");
+        builder.Property(x => x.DictionaryItemId).IsRequired().HasComment("被覆盖的字典项 ID。");
+        builder.Property(x => x.OriginalValue).HasColumnType("jsonb").IsRequired().HasComment("原始显示值（JSON 格式，多语言）。");
+        builder.Property(x => x.OverrideValue).HasColumnType("jsonb").IsRequired().HasComment("覆盖后的显示值（JSON 格式，多语言）。");
+        builder.Property(x => x.OverrideType).HasConversion<int>().IsRequired().HasComment("覆盖类型。");
+        builder.Property(x => x.Reason).HasMaxLength(512).HasComment("覆盖原因/备注。");
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasOne(x => x.DictionaryItem)
+            .WithMany()
+            .HasForeignKey(x => x.DictionaryItemId)
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.DictionaryItemId })
+            .IsUnique()
+            .HasFilter("\"DeletedAt\" IS NULL");
+        builder.HasIndex(x => new { x.TenantId, x.OverrideType });
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDesignTimeDbContextFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDesignTimeDbContextFactory.cs
new file mode 100644
index 0000000..774c649
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Persistence/DictionaryDesignTimeDbContextFactory.cs
@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Infrastructure.Common.Persistence.DesignTime;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+/// <summary>
+/// 设计时 DictionaryDbContext 工厂。
+/// </summary>
+internal sealed class DictionaryDesignTimeDbContextFactory
+    : DesignTimeDbContextFactoryBase<DictionaryDbContext>
+{
+    /// <summary>
+    /// 初始化字典库设计时上下文工厂。
+    /// </summary>
+    public DictionaryDesignTimeDbContextFactory()
+        : base(DatabaseConstants.DictionaryDataSource, "TAKEOUTSAAS_DICTIONARY_CONNECTION")
+    {
+    }
+    // 创建设计时上下文
+    /// <summary>
+    /// 创建设计时的 DictionaryDbContext。
+    /// </summary>
+    /// <param name="options">上下文配置。</param>
+    /// <param name="tenantProvider">租户提供器。</param>
+    /// <param name="currentUserAccessor">当前用户访问器。</param>
+    /// <returns>DictionaryDbContext 实例。</returns>
+    protected override DictionaryDbContext CreateContext(
+        DbContextOptions<DictionaryDbContext> options,
+        ITenantProvider tenantProvider,
+        ICurrentUserAccessor currentUserAccessor)
+        => new(options, tenantProvider, currentUserAccessor);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/CacheInvalidationLogRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/CacheInvalidationLogRepository.cs
new file mode 100644
index 0000000..f0dcbad
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/CacheInvalidationLogRepository.cs
@@ -0,0 +1,59 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 缓存失效日志仓储实现。
+/// </summary>
+public sealed class CacheInvalidationLogRepository(DictionaryDbContext context) : ICacheInvalidationLogRepository
+{
+    /// <summary>
+    /// 新增失效日志。
+    /// </summary>
+    public Task AddAsync(CacheInvalidationLog log, CancellationToken cancellationToken = default)
+    {
+        context.CacheInvalidationLogs.Add(log);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 分页查询失效日志。
+    /// </summary>
+    public async Task<(IReadOnlyList<CacheInvalidationLog> Items, int TotalCount)> GetPagedAsync(
+        int page,
+        int pageSize,
+        DateTime? startDate,
+        DateTime? endDate,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.CacheInvalidationLogs.AsNoTracking();
+
+        if (startDate.HasValue)
+        {
+            query = query.Where(log => log.Timestamp >= startDate.Value);
+        }
+
+        if (endDate.HasValue)
+        {
+            query = query.Where(log => log.Timestamp <= endDate.Value);
+        }
+
+        var total = await query.CountAsync(cancellationToken);
+        var items = await query
+            .OrderByDescending(log => log.Timestamp)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync(cancellationToken);
+
+        return (items, total);
+    }
+
+    /// <summary>
+    /// 保存变更。
+    /// </summary>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryGroupRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryGroupRepository.cs
new file mode 100644
index 0000000..c73b37b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryGroupRepository.cs
@@ -0,0 +1,173 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 字典分组仓储实现。
+/// </summary>
+public sealed class DictionaryGroupRepository(DictionaryDbContext context) : IDictionaryGroupRepository
+{
+    private static readonly Func<DictionaryDbContext, long, DictionaryCode, Task<DictionaryGroup?>> GetByCodeQuery =
+        EF.CompileAsyncQuery((DictionaryDbContext db, long tenantId, DictionaryCode code) =>
+            db.DictionaryGroups
+                .AsNoTracking()
+                .FirstOrDefault(group => group.TenantId == tenantId && group.DeletedAt == null && group.Code == code));
+
+    /// <summary>
+    /// 按 ID 获取字典分组。
+    /// </summary>
+    public Task<DictionaryGroup?> GetByIdAsync(long groupId, CancellationToken cancellationToken = default)
+    {
+        return context.DictionaryGroups
+            .AsNoTracking()
+            .FirstOrDefaultAsync(group => group.Id == groupId && group.DeletedAt == null, cancellationToken);
+    }
+
+    /// <summary>
+    /// 按编码获取字典分组。
+    /// </summary>
+    public Task<DictionaryGroup?> GetByCodeAsync(long tenantId, DictionaryCode code, CancellationToken cancellationToken = default)
+    {
+        _ = cancellationToken;
+        return GetByCodeQuery(context, tenantId, code);
+    }
+
+    /// <summary>
+    /// 分页获取字典分组。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryGroup>> GetPagedAsync(
+        long tenantId,
+        DictionaryScope? scope,
+        string? keyword,
+        bool? isEnabled,
+        int page,
+        int pageSize,
+        string? sortBy,
+        bool sortDescending,
+        CancellationToken cancellationToken = default)
+    {
+        var query = BuildQuery(tenantId, scope, keyword, isEnabled);
+
+        var skip = Math.Max(page - 1, 0) * Math.Max(pageSize, 1);
+        query = ApplyOrdering(query, sortBy, sortDescending);
+
+        return await query
+            .Skip(skip)
+            .Take(pageSize)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取满足条件的分组数量。
+    /// </summary>
+    public Task<int> CountAsync(
+        long tenantId,
+        DictionaryScope? scope,
+        string? keyword,
+        bool? isEnabled,
+        CancellationToken cancellationToken = default)
+    {
+        return BuildQuery(tenantId, scope, keyword, isEnabled)
+            .CountAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 批量获取字典分组。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryGroup>> GetByIdsAsync(IEnumerable<long> groupIds, CancellationToken cancellationToken = default)
+    {
+        var ids = groupIds?.Distinct().ToArray() ?? Array.Empty<long>();
+        if (ids.Length == 0)
+        {
+            return Array.Empty<DictionaryGroup>();
+        }
+
+        return await context.DictionaryGroups
+            .AsNoTracking()
+            .Where(group => ids.Contains(group.Id) && group.DeletedAt == null)
+            .ToListAsync(cancellationToken);
+    }
+
+    private static IQueryable<DictionaryGroup> ApplyOrdering(IQueryable<DictionaryGroup> query, string? sortBy, bool sortDescending)
+    {
+        var normalized = sortBy?.Trim().ToLowerInvariant();
+        return normalized switch
+        {
+            "name" => sortDescending ? query.OrderByDescending(group => group.Name) : query.OrderBy(group => group.Name),
+            "createdat" => sortDescending ? query.OrderByDescending(group => group.CreatedAt) : query.OrderBy(group => group.CreatedAt),
+            "updatedat" => sortDescending ? query.OrderByDescending(group => group.UpdatedAt) : query.OrderBy(group => group.UpdatedAt),
+            _ => sortDescending ? query.OrderByDescending(group => group.Code) : query.OrderBy(group => group.Code)
+        };
+    }
+
+    /// <summary>
+    /// 新增分组。
+    /// </summary>
+    public Task AddAsync(DictionaryGroup group, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryGroups.Add(group);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 更新分组。
+    /// </summary>
+    public Task UpdateAsync(DictionaryGroup group, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryGroups.Update(group);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除分组。
+    /// </summary>
+    public Task RemoveAsync(DictionaryGroup group, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryGroups.Remove(group);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+
+    private IQueryable<DictionaryGroup> BuildQuery(long tenantId, DictionaryScope? scope, string? keyword, bool? isEnabled)
+    {
+        var query = context.DictionaryGroups
+            .AsNoTracking()
+            .Where(group => group.TenantId == tenantId && group.DeletedAt == null);
+
+        if (scope.HasValue)
+        {
+            query = query.Where(group => group.Scope == scope.Value);
+        }
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var trimmed = keyword.Trim();
+            if (DictionaryCode.IsValid(trimmed))
+            {
+                var code = new DictionaryCode(trimmed);
+                query = query.Where(group => group.Code == code || group.Name.Contains(trimmed));
+            }
+            else
+            {
+                query = query.Where(group => group.Name.Contains(trimmed));
+            }
+        }
+
+        if (isEnabled.HasValue)
+        {
+            query = query.Where(group => group.IsEnabled == isEnabled.Value);
+        }
+
+        return query;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryImportLogRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryImportLogRepository.cs
new file mode 100644
index 0000000..39cc005
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryImportLogRepository.cs
@@ -0,0 +1,26 @@
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 字典导入日志仓储实现。
+/// </summary>
+public sealed class DictionaryImportLogRepository(DictionaryDbContext context) : IDictionaryImportLogRepository
+{
+    /// <summary>
+    /// 新增导入日志。
+    /// </summary>
+    public Task AddAsync(DictionaryImportLog log, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryImportLogs.Add(log);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryItemRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryItemRepository.cs
new file mode 100644
index 0000000..ed869bb
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryItemRepository.cs
@@ -0,0 +1,147 @@
+using System.Security.Cryptography;
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 字典项仓储实现。
+/// </summary>
+public sealed class DictionaryItemRepository(DictionaryDbContext context, ITenantContextAccessor tenantContextAccessor) : IDictionaryItemRepository
+{
+    private static readonly Func<DictionaryDbContext, long, long, IEnumerable<DictionaryItem>> GetByGroupQuery =
+        EF.CompileQuery((DictionaryDbContext db, long tenantId, long groupId) =>
+            (IEnumerable<DictionaryItem>)db.DictionaryItems
+                .AsNoTracking()
+                .Where(item => item.GroupId == groupId && item.TenantId == tenantId && item.DeletedAt == null)
+                .OrderBy(item => item.SortOrder));
+
+    /// <summary>
+    /// 根据 ID 获取字典项。
+    /// </summary>
+    public Task<DictionaryItem?> GetByIdAsync(long itemId, CancellationToken cancellationToken = default)
+    {
+        return context.DictionaryItems
+            .AsNoTracking()
+            .FirstOrDefaultAsync(item => item.Id == itemId && item.DeletedAt == null, cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取分组下字典项列表。
+    /// </summary>
+    public Task<IReadOnlyList<DictionaryItem>> GetByGroupIdAsync(
+        long tenantId,
+        long groupId,
+        CancellationToken cancellationToken = default)
+    {
+        _ = cancellationToken;
+        return Task.FromResult<IReadOnlyList<DictionaryItem>>(
+            GetByGroupQuery(context, tenantId, groupId).ToList());
+    }
+
+    /// <summary>
+    /// 获取系统与租户合并的字典项列表。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryItem>> GetMergedItemsAsync(
+        long tenantId,
+        long systemGroupId,
+        bool includeOverrides,
+        CancellationToken cancellationToken = default)
+    {
+        DictionaryGroup? systemGroup;
+        List<DictionaryItem> systemItems;
+        using (tenantContextAccessor.EnterTenantScope(0, "dictionary"))
+        {
+            systemGroup = await context.DictionaryGroups
+                .AsNoTracking()
+                .FirstOrDefaultAsync(group => group.Id == systemGroupId && group.DeletedAt == null, cancellationToken);
+            if (systemGroup == null)
+            {
+                return Array.Empty<DictionaryItem>();
+            }
+
+            systemItems = await context.DictionaryItems
+                .AsNoTracking()
+                .Where(item => item.GroupId == systemGroupId && item.DeletedAt == null)
+                .OrderBy(item => item.SortOrder)
+                .ToListAsync(cancellationToken);
+        }
+
+        var result = new List<DictionaryItem>(systemItems);
+
+        if (!includeOverrides || tenantId == 0)
+        {
+            return result;
+        }
+
+        var tenantGroup = await context.DictionaryGroups
+            .AsNoTracking()
+            .FirstOrDefaultAsync(group =>
+                group.TenantId == tenantId &&
+                group.DeletedAt == null &&
+                group.Code == systemGroup.Code,
+                cancellationToken);
+
+        if (tenantGroup == null)
+        {
+            return result;
+        }
+
+        var tenantItems = await context.DictionaryItems
+            .AsNoTracking()
+            .Where(item => item.GroupId == tenantGroup.Id && item.TenantId == tenantId && item.DeletedAt == null)
+            .OrderBy(item => item.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        result.AddRange(tenantItems);
+        return result;
+    }
+
+    /// <summary>
+    /// 新增字典项。
+    /// </summary>
+    public Task AddAsync(DictionaryItem item, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryItems.Add(item);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 更新字典项。
+    /// </summary>
+    public Task UpdateAsync(DictionaryItem item, CancellationToken cancellationToken = default)
+    {
+        var entry = context.Entry(item);
+        if (entry.State == EntityState.Detached)
+        {
+            context.DictionaryItems.Attach(item);
+            entry = context.Entry(item);
+        }
+
+        entry.State = EntityState.Modified;
+        var originalVersion = item.RowVersion;
+        var nextVersion = RandomNumberGenerator.GetBytes(16);
+        entry.Property(x => x.RowVersion).OriginalValue = originalVersion;
+        entry.Property(x => x.RowVersion).CurrentValue = nextVersion;
+        item.RowVersion = nextVersion;
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除字典项。
+    /// </summary>
+    public Task RemoveAsync(DictionaryItem item, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryItems.Remove(item);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryLabelOverrideRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryLabelOverrideRepository.cs
new file mode 100644
index 0000000..8dc3b8f
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/DictionaryLabelOverrideRepository.cs
@@ -0,0 +1,111 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 字典标签覆盖仓储实现。
+/// </summary>
+public sealed class DictionaryLabelOverrideRepository(DictionaryDbContext context) : IDictionaryLabelOverrideRepository
+{
+    /// <summary>
+    /// 根据 ID 获取覆盖配置。
+    /// </summary>
+    public Task<DictionaryLabelOverride?> GetByIdAsync(long id, CancellationToken cancellationToken = default)
+    {
+        return context.DictionaryLabelOverrides
+            .Include(x => x.DictionaryItem)
+            .FirstOrDefaultAsync(x => x.Id == id && x.DeletedAt == null, cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取指定字典项的覆盖配置。
+    /// </summary>
+    public Task<DictionaryLabelOverride?> GetByItemIdAsync(long tenantId, long dictionaryItemId, CancellationToken cancellationToken = default)
+    {
+        return context.DictionaryLabelOverrides
+            .FirstOrDefaultAsync(x =>
+                x.TenantId == tenantId &&
+                x.DictionaryItemId == dictionaryItemId &&
+                x.DeletedAt == null,
+                cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取租户的所有覆盖配置。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryLabelOverride>> ListByTenantAsync(
+        long tenantId,
+        OverrideType? overrideType = null,
+        CancellationToken cancellationToken = default)
+    {
+        var query = context.DictionaryLabelOverrides
+            .AsNoTracking()
+            .Include(x => x.DictionaryItem)
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null);
+
+        if (overrideType.HasValue)
+        {
+            query = query.Where(x => x.OverrideType == overrideType.Value);
+        }
+
+        return await query.OrderByDescending(x => x.CreatedAt).ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 批量获取多个字典项的覆盖配置。
+    /// </summary>
+    public async Task<IReadOnlyList<DictionaryLabelOverride>> GetByItemIdsAsync(
+        long tenantId,
+        IEnumerable<long> dictionaryItemIds,
+        CancellationToken cancellationToken = default)
+    {
+        var ids = dictionaryItemIds.ToArray();
+        if (ids.Length == 0) return Array.Empty<DictionaryLabelOverride>();
+
+        return await context.DictionaryLabelOverrides
+            .AsNoTracking()
+            .Where(x =>
+                x.TenantId == tenantId &&
+                ids.Contains(x.DictionaryItemId) &&
+                x.DeletedAt == null)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增覆盖配置。
+    /// </summary>
+    public Task AddAsync(DictionaryLabelOverride entity, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryLabelOverrides.Add(entity);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 更新覆盖配置。
+    /// </summary>
+    public Task UpdateAsync(DictionaryLabelOverride entity, CancellationToken cancellationToken = default)
+    {
+        context.DictionaryLabelOverrides.Update(entity);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除覆盖配置。
+    /// </summary>
+    public Task DeleteAsync(DictionaryLabelOverride entity, CancellationToken cancellationToken = default)
+    {
+        entity.DeletedAt = DateTime.UtcNow;
+        context.DictionaryLabelOverrides.Update(entity);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs
new file mode 100644
index 0000000..0d2d6d2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs
@@ -0,0 +1,200 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.Dictionary.ValueObjects;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// EF Core 字典仓储实现。
+/// </summary>
+public sealed class EfDictionaryRepository(DictionaryDbContext context, ITenantContextAccessor tenantContextAccessor) : IDictionaryRepository
+{
+    /// <summary>
+    /// 根据分组 ID 查询分组。
+    /// </summary>
+    /// <param name="id">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>匹配分组或 null。</returns>
+    public Task<DictionaryGroup?> FindGroupByIdAsync(long id, CancellationToken cancellationToken = default)
+        => context.DictionaryGroups.FirstOrDefaultAsync(group => group.Id == id, cancellationToken);
+
+    /// <summary>
+    /// 根据分组编码查询分组。
+    /// </summary>
+    /// <param name="code">分组编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>匹配分组或 null。</returns>
+    public Task<DictionaryGroup?> FindGroupByCodeAsync(string code, CancellationToken cancellationToken = default)
+        => context.DictionaryGroups.FirstOrDefaultAsync(group => group.Code == new DictionaryCode(code), cancellationToken);
+
+    /// <summary>
+    /// 搜索分组列表。
+    /// </summary>
+    /// <param name="scope">字典作用域。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组列表。</returns>
+    public async Task<IReadOnlyList<DictionaryGroup>> SearchGroupsAsync(DictionaryScope? scope, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建分组查询
+        var query = context.DictionaryGroups.AsNoTracking();
+        if (scope.HasValue)
+        {
+            // 2. 按作用域过滤
+            query = query.Where(group => group.Scope == scope.Value);
+        }
+
+        // 3. 排序返回
+        return await query
+            .OrderBy(group => group.Code)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task AddGroupAsync(DictionaryGroup group, CancellationToken cancellationToken = default)
+    {
+        // 1. 添加分组
+        context.DictionaryGroups.Add(group);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除分组。
+    /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task RemoveGroupAsync(DictionaryGroup group, CancellationToken cancellationToken = default)
+    {
+        // 1. 移除分组
+        context.DictionaryGroups.Remove(group);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 根据条目 ID 查询字典项。
+    /// </summary>
+    /// <param name="id">条目 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>匹配条目或 null。</returns>
+    public Task<DictionaryItem?> FindItemByIdAsync(long id, CancellationToken cancellationToken = default)
+        => context.DictionaryItems.FirstOrDefaultAsync(item => item.Id == id, cancellationToken);
+
+    /// <summary>
+    /// 获取指定分组下的条目列表。
+    /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>条目列表。</returns>
+    public async Task<IReadOnlyList<DictionaryItem>> GetItemsByGroupIdAsync(long groupId, CancellationToken cancellationToken = default)
+    {
+        // 1. 过滤分组
+        return await context.DictionaryItems
+            .AsNoTracking()
+            .Where(item => item.GroupId == groupId)
+            .OrderBy(item => item.SortOrder)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增字典项。
+    /// </summary>
+    /// <param name="item">字典项。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task AddItemAsync(DictionaryItem item, CancellationToken cancellationToken = default)
+    {
+        // 1. 添加条目
+        context.DictionaryItems.Add(item);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除字典项。
+    /// </summary>
+    /// <param name="item">字典项。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task RemoveItemAsync(DictionaryItem item, CancellationToken cancellationToken = default)
+    {
+        // 1. 移除条目
+        context.DictionaryItems.Remove(item);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+
+    /// <summary>
+    /// 根据编码集合获取条目列表，可包含系统级条目。
+    /// </summary>
+    /// <param name="codes">分组编码集合。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="includeSystem">是否包含系统级。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>条目列表。</returns>
+    public async Task<IReadOnlyList<DictionaryItem>> GetItemsByCodesAsync(IEnumerable<string> codes, long tenantId, bool includeSystem, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化编码
+        var normalizedCodes = codes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => new DictionaryCode(code))
+            .Distinct()
+            .ToArray();
+
+        if (normalizedCodes.Length == 0)
+        {
+            return Array.Empty<DictionaryItem>();
+        }
+
+        // 2. 查询当前租户条目
+        var tenantItems = await context.DictionaryItems
+            .AsNoTracking()
+            .Include(item => item.Group)
+            .Where(item => item.TenantId == tenantId && normalizedCodes.Contains(item.Group!.Code) && item.DeletedAt == null)
+            .OrderBy(item => item.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        if (!includeSystem)
+        {
+            return tenantItems;
+        }
+
+        // 3. (空行后) 查询系统级条目（TenantId=0）
+        List<DictionaryItem> systemItems;
+        using (tenantContextAccessor.EnterTenantScope(0, "dictionary"))
+        {
+            systemItems = await context.DictionaryItems
+                .AsNoTracking()
+                .Include(item => item.Group)
+                .Where(item => item.TenantId == 0 && normalizedCodes.Contains(item.Group!.Code) && item.DeletedAt == null)
+                .OrderBy(item => item.SortOrder)
+                .ToListAsync(cancellationToken);
+        }
+
+        // 4. (空行后) 合并返回（系统优先）
+        if (systemItems.Count == 0)
+        {
+            return tenantItems;
+        }
+
+        return [.. systemItems, .. tenantItems];
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs
new file mode 100644
index 0000000..d7e515c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs
@@ -0,0 +1,79 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.SystemParameters.Entities;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 系统参数 EF Core 仓储实现。
+/// </summary>
+public sealed class EfSystemParameterRepository(DictionaryDbContext context) : ISystemParameterRepository
+{
+    /// <inheritdoc />
+    public Task<SystemParameter?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
+    {
+        return context.SystemParameters
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<SystemParameter?> FindByKeyAsync(string key, CancellationToken cancellationToken = default)
+    {
+        var normalizedKey = key.Trim();
+        return context.SystemParameters
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Key == normalizedKey, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<SystemParameter>> SearchAsync(string? keyword, bool? isEnabled, CancellationToken cancellationToken = default)
+    {
+        var query = context.SystemParameters.AsNoTracking();
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x => x.Key.Contains(normalized) || (x.Description != null && x.Description.Contains(normalized)));
+        }
+
+        if (isEnabled.HasValue)
+        {
+            query = query.Where(x => x.IsEnabled == isEnabled.Value);
+        }
+
+        var parameters = await query
+            .OrderBy(x => x.SortOrder)
+            .ThenBy(x => x.Key)
+            .ToListAsync(cancellationToken);
+
+        return parameters;
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(SystemParameter parameter, CancellationToken cancellationToken = default)
+    {
+        return context.SystemParameters.AddAsync(parameter, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task RemoveAsync(SystemParameter parameter, CancellationToken cancellationToken = default)
+    {
+        context.SystemParameters.Remove(parameter);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(SystemParameter parameter, CancellationToken cancellationToken = default)
+    {
+        context.SystemParameters.Update(parameter);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/TenantDictionaryOverrideRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/TenantDictionaryOverrideRepository.cs
new file mode 100644
index 0000000..71aec4c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/TenantDictionaryOverrideRepository.cs
@@ -0,0 +1,60 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Dictionary.Entities;
+using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
+
+/// <summary>
+/// 租户字典覆盖仓储实现。
+/// </summary>
+public sealed class TenantDictionaryOverrideRepository(DictionaryDbContext context) : ITenantDictionaryOverrideRepository
+{
+    /// <summary>
+    /// 获取租户覆盖配置。
+    /// </summary>
+    public Task<TenantDictionaryOverride?> GetAsync(long tenantId, long systemGroupId, CancellationToken cancellationToken = default)
+    {
+        return context.TenantDictionaryOverrides
+            .FirstOrDefaultAsync(config =>
+                config.TenantId == tenantId &&
+                config.SystemDictionaryGroupId == systemGroupId &&
+                config.DeletedAt == null,
+                cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取租户全部覆盖配置。
+    /// </summary>
+    public async Task<IReadOnlyList<TenantDictionaryOverride>> ListAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return await context.TenantDictionaryOverrides
+            .AsNoTracking()
+            .Where(config => config.TenantId == tenantId && config.DeletedAt == null)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增覆盖配置。
+    /// </summary>
+    public Task AddAsync(TenantDictionaryOverride overrideConfig, CancellationToken cancellationToken = default)
+    {
+        context.TenantDictionaryOverrides.Add(overrideConfig);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 更新覆盖配置。
+    /// </summary>
+    public Task UpdateAsync(TenantDictionaryOverride overrideConfig, CancellationToken cancellationToken = default)
+    {
+        context.TenantDictionaryOverrides.Update(overrideConfig);
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化更改。
+    /// </summary>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => context.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs
new file mode 100644
index 0000000..800af5e
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs
@@ -0,0 +1,75 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
+using System.Text.Json;
+using TakeoutSaaS.Application.Dictionary.Abstractions;
+using TakeoutSaaS.Application.Dictionary.Models;
+using TakeoutSaaS.Infrastructure.Dictionary.Options;
+
+namespace TakeoutSaaS.Infrastructure.Dictionary.Services;
+
+/// <summary>
+/// 基于 IDistributedCache 的字典缓存实现。
+/// </summary>
+public sealed class DistributedDictionaryCache(IDistributedCache cache, IOptions<DictionaryCacheOptions> options) : IDictionaryCache
+{
+    private readonly DictionaryCacheOptions _options = options.Value;
+    private readonly JsonSerializerOptions _serializerOptions = new(JsonSerializerDefaults.Web);
+
+    /// <summary>
+    /// 读取指定租户与编码的字典缓存。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="code">字典编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合或 null。</returns>
+    public async Task<IReadOnlyList<DictionaryItemDto>?> GetAsync(long tenantId, string code, CancellationToken cancellationToken = default)
+    {
+        // 1. 拼装缓存键
+        var cacheKey = BuildKey(tenantId, code);
+        var payload = await cache.GetAsync(cacheKey, cancellationToken);
+        if (payload == null || payload.Length == 0)
+        {
+            return null;
+        }
+
+        // 2. 反序列化
+        return JsonSerializer.Deserialize<List<DictionaryItemDto>>(payload, _serializerOptions);
+    }
+
+    /// <summary>
+    /// 设置指定租户与编码的字典缓存。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="code">字典编码。</param>
+    /// <param name="items">字典项集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task SetAsync(long tenantId, string code, IReadOnlyList<DictionaryItemDto> items, CancellationToken cancellationToken = default)
+    {
+        // 1. 序列化并写入缓存
+        var cacheKey = BuildKey(tenantId, code);
+        var payload = JsonSerializer.SerializeToUtf8Bytes(items, _serializerOptions);
+        var options = new DistributedCacheEntryOptions
+        {
+            SlidingExpiration = _options.SlidingExpiration
+        };
+        return cache.SetAsync(cacheKey, payload, options, cancellationToken);
+    }
+
+    /// <summary>
+    /// 移除指定租户与编码的缓存。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="code">字典编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task RemoveAsync(long tenantId, string code, CancellationToken cancellationToken = default)
+    {
+        // 1. 删除缓存键
+        var cacheKey = BuildKey(tenantId, code);
+        return cache.RemoveAsync(cacheKey, cancellationToken);
+    }
+
+    private static string BuildKey(long tenantId, string code)
+        => $"dictionary:{tenantId}:{code.ToLowerInvariant()}";
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs
new file mode 100644
index 0000000..217f916
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs
@@ -0,0 +1,119 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Infrastructure.Common.Extensions;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+using TakeoutSaaS.Infrastructure.Identity.Repositories;
+using TakeoutSaaS.Infrastructure.Identity.Services;
+using TakeoutSaaS.Infrastructure.Logs.Publishers;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using DomainIdentityUser = TakeoutSaaS.Domain.Identity.Entities.IdentityUser;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Extensions;
+
+/// <summary>
+/// 身份认证基础设施注入。
+/// </summary>
+public static class ServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册身份认证基础设施（数据库、Redis、JWT、限流等）。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <param name="configuration">配置源。</param>
+    /// <param name="enableMiniFeatures">是否启用小程序相关依赖（如微信登录）。</param>
+    /// <param name="enableAdminSeed">是否启用后台账号初始化。</param>
+    /// <returns>服务集合。</returns>
+    /// <exception cref="InvalidOperationException">配置缺失时抛出。</exception>
+    public static IServiceCollection AddIdentityInfrastructure(
+        this IServiceCollection services,
+        IConfiguration configuration,
+        bool enableMiniFeatures = false,
+        bool enableAdminSeed = false)
+    {
+        services.AddDatabaseInfrastructure(configuration);
+        services.AddPostgresDbContext<IdentityDbContext>(DatabaseConstants.IdentityDataSource);
+
+        var redisConnection = configuration.GetConnectionString("Redis");
+        if (string.IsNullOrWhiteSpace(redisConnection))
+        {
+            throw new InvalidOperationException("缺少 Redis 连接字符串配置。");
+        }
+
+        services.AddStackExchangeRedisCache(options =>
+        {
+            options.Configuration = redisConnection;
+        });
+
+        services.AddScoped<IIdentityUserRepository, EfIdentityUserRepository>();
+        services.AddScoped<IMiniUserRepository, EfMiniUserRepository>();
+        services.AddScoped<IRoleRepository, EfRoleRepository>();
+        services.AddScoped<IPermissionRepository, EfPermissionRepository>();
+        services.AddScoped<IUserRoleRepository, EfUserRoleRepository>();
+        services.AddScoped<IRolePermissionRepository, EfRolePermissionRepository>();
+        services.AddScoped<IRoleTemplateRepository, EfRoleTemplateRepository>();
+        services.AddScoped<IMenuRepository, EfMenuRepository>();
+        services.AddScoped<IJwtTokenService, JwtTokenService>();
+        services.AddScoped<IRefreshTokenStore, RedisRefreshTokenStore>();
+        services.AddScoped<IAdminPasswordResetTokenStore, RedisAdminPasswordResetTokenStore>();
+        services.AddScoped<ILoginRateLimiter, RedisLoginRateLimiter>();
+        services.AddScoped<IPasswordHasher<DomainIdentityUser>, PasswordHasher<DomainIdentityUser>>();
+        services.AddScoped<IIdentityOperationLogPublisher, IdentityOperationLogPublisher>();
+
+        services.AddOptions<JwtOptions>()
+            .Bind(configuration.GetSection("Identity:Jwt"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<LoginRateLimitOptions>()
+            .Bind(configuration.GetSection("Identity:LoginRateLimit"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<RefreshTokenStoreOptions>()
+            .Bind(configuration.GetSection("Identity:RefreshTokenStore"));
+
+        services.AddOptions<AdminPasswordResetOptions>()
+            .Bind(configuration.GetSection("Identity:AdminPasswordReset"));
+
+        if (enableMiniFeatures)
+        {
+            services.AddOptions<WeChatMiniOptions>()
+                .Bind(configuration.GetSection("Identity:WeChatMini"))
+                .ValidateDataAnnotations()
+                .ValidateOnStart();
+
+            services.AddHttpClient<IWeChatAuthService, WeChatAuthService>(client =>
+            {
+                client.BaseAddress = new Uri("https://api.weixin.qq.com/");
+                client.Timeout = TimeSpan.FromSeconds(10);
+            });
+        }
+
+        if (enableAdminSeed)
+        {
+            services.AddOptions<AdminSeedOptions>()
+                .Bind(configuration.GetSection("Identity:AdminSeed"))
+                .ValidateDataAnnotations()
+                .ValidateOnStart();
+
+            services.AddHostedService<IdentityDataSeeder>();
+        }
+
+        return services;
+    }
+
+    /// <summary>
+    /// 确保数据库连接已配置（Database 节或 ConnectionStrings）。
+    /// </summary>
+    /// <param name="configuration">配置源。</param>
+    /// <param name="dataSourceName">数据源名称。</param>
+    /// <exception cref="InvalidOperationException">未配置时抛出。</exception>
+    private static void EnsureDatabaseConnectionConfigured(IConfiguration configuration, string dataSourceName)
+    {
+        // 保留兼容接口，当前逻辑在 DatabaseConnectionFactory 中兜底并记录日志。
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/AdminPasswordResetOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/AdminPasswordResetOptions.cs
new file mode 100644
index 0000000..1a958a6
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/AdminPasswordResetOptions.cs
@@ -0,0 +1,13 @@
+namespace TakeoutSaaS.Infrastructure.Identity.Options;
+
+/// <summary>
+/// 管理后台重置密码链接令牌配置。
+/// </summary>
+public sealed class AdminPasswordResetOptions
+{
+    /// <summary>
+    /// Redis Key 前缀。
+    /// </summary>
+    public string Prefix { get; init; } = "identity:admin:pwdreset:";
+}
+
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/AdminSeedOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/AdminSeedOptions.cs
new file mode 100644
index 0000000..eab01eb
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/AdminSeedOptions.cs
@@ -0,0 +1,101 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Options;
+
+/// <summary>
+/// 管理后台初始账号配置。
+/// </summary>
+public sealed class AdminSeedOptions
+{
+    /// <summary>
+    /// 是否启用后台账号与权限种子。
+    /// </summary>
+    public bool Enabled { get; set; } = true;
+
+    /// <summary>
+    /// 初始用户列表。
+    /// </summary>
+    public List<SeedUserOptions> Users { get; set; } = new();
+
+    /// <summary>
+    /// 角色模板种子列表。
+    /// </summary>
+    public List<RoleTemplateSeedOptions> RoleTemplates { get; set; } = new();
+}
+
+/// <summary>
+/// 种子用户配置：用于初始化管理后台账号。
+/// </summary>
+public sealed class SeedUserOptions
+{
+    /// <summary>
+    /// 登录账号。
+    /// </summary>
+    [Required]
+    public string Account { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 登录密码（明文，将在初始化时进行哈希处理）。
+    /// </summary>
+    [Required]
+    public string Password { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 展示名称。
+    /// </summary>
+    [Required]
+    public string DisplayName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 所属租户 ID。
+    /// </summary>
+    public long TenantId { get; set; }
+
+    /// <summary>
+    /// 所属商户 ID（租户管理员为空）。
+    /// </summary>
+    public long? MerchantId { get; set; }
+
+    /// <summary>
+    /// 角色集合。
+    /// </summary>
+    public string[] Roles { get; set; } = Array.Empty<string>();
+
+    /// <summary>
+    /// 权限集合。
+    /// </summary>
+    public string[] Permissions { get; set; } = Array.Empty<string>();
+}
+
+/// <summary>
+/// 角色模板种子配置。
+/// </summary>
+public sealed class RoleTemplateSeedOptions
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    [Required]
+    public string TemplateCode { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 模板名称。
+    /// </summary>
+    [Required]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 模板描述。
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsActive { get; set; } = true;
+
+    /// <summary>
+    /// 权限编码集合。
+    /// </summary>
+    public string[] Permissions { get; set; } = Array.Empty<string>();
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/LoginRateLimitOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/LoginRateLimitOptions.cs
new file mode 100644
index 0000000..d9f7a42
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/LoginRateLimitOptions.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Options;
+
+/// <summary>
+/// 登录限流配置选项。
+/// </summary>
+public sealed class LoginRateLimitOptions
+{
+    /// <summary>
+    /// 时间窗口（秒），范围：1-3600。
+    /// </summary>
+    [Range(1, 3600)]
+    public int WindowSeconds { get; set; } = 60;
+
+    /// <summary>
+    /// 时间窗口内允许的最大尝试次数，范围：1-100。
+    /// </summary>
+    [Range(1, 100)]
+    public int MaxAttempts { get; set; } = 5;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/RefreshTokenStoreOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/RefreshTokenStoreOptions.cs
new file mode 100644
index 0000000..fcbf6e8
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/RefreshTokenStoreOptions.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Infrastructure.Identity.Options;
+
+/// <summary>
+/// 刷新令牌存储配置选项。
+/// </summary>
+public sealed class RefreshTokenStoreOptions
+{
+    /// <summary>
+    /// Redis 键前缀，用于存储刷新令牌。
+    /// </summary>
+    public string Prefix { get; set; } = "identity:refresh:";
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/WeChatMiniOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/WeChatMiniOptions.cs
new file mode 100644
index 0000000..0dee3be
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Options/WeChatMiniOptions.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Options;
+
+/// <summary>
+/// 微信小程序配置选项。
+/// </summary>
+public sealed class WeChatMiniOptions
+{
+    /// <summary>
+    /// 微信小程序 AppId。
+    /// </summary>
+    [Required]
+    public string AppId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 微信小程序 AppSecret。
+    /// </summary>
+    [Required]
+    public string Secret { get; set; } = string.Empty;
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs
new file mode 100644
index 0000000..dc05a67
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs
@@ -0,0 +1,373 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF Core 后台用户仓储实现。
+/// </summary>
+public sealed class EfIdentityUserRepository(IdentityDbContext dbContext) : IIdentityUserRepository
+{
+    /// <summary>
+    /// 根据租户与账号获取后台用户。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="account">账号。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
+    public Task<IdentityUser?> FindByAccountAsync(long tenantId, string account, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化账号
+        var normalized = account.Trim();
+
+        // 2. 查询用户（强制租户隔离）
+        return dbContext.IdentityUsers
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.Account == normalized, cancellationToken);
+    }
+
+    /// <summary>
+    /// 判断账号是否存在。
+    /// </summary>
+    /// <param name="account">账号。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
+    public Task<bool> ExistsByAccountAsync(string account, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化账号
+        var normalized = account.Trim();
+        // 2. 查询是否存在
+        return dbContext.IdentityUsers.AnyAsync(x => x.Account == normalized, cancellationToken);
+    }
+
+    /// <summary>
+    /// 判断账号是否存在（租户内，可排除指定用户）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="account">账号。</param>
+    /// <param name="excludeUserId">排除的用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
+    public async Task<bool> ExistsByAccountAsync(long tenantId, string account, long? excludeUserId = null, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化账号
+        var normalized = account.Trim();
+
+        // 2. 构建查询（包含已删除数据，但不放开租户过滤）
+        using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+        var query = dbContext.IdentityUsers.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Account == normalized);
+
+        if (excludeUserId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeUserId.Value);
+        }
+
+        // 3. 返回是否存在
+        return await query.AnyAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 判断手机号是否存在（租户内，可排除指定用户）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="phone">手机号。</param>
+    /// <param name="excludeUserId">排除的用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
+    public async Task<bool> ExistsByPhoneAsync(long tenantId, string phone, long? excludeUserId = null, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化手机号
+        var normalized = phone.Trim();
+
+        // 2. 构建查询（包含已删除数据，但不放开租户过滤）
+        using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+        var query = dbContext.IdentityUsers.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Phone == normalized);
+
+        if (excludeUserId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeUserId.Value);
+        }
+
+        // 3. 返回是否存在
+        return await query.AnyAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 判断邮箱是否存在（租户内，可排除指定用户）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="email">邮箱。</param>
+    /// <param name="excludeUserId">排除的用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
+    public async Task<bool> ExistsByEmailAsync(long tenantId, string email, long? excludeUserId = null, CancellationToken cancellationToken = default)
+    {
+        // 1. 标准化邮箱
+        var normalized = email.Trim();
+
+        // 2. 构建查询（包含已删除数据，但不放开租户过滤）
+        using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+        var query = dbContext.IdentityUsers.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.Email == normalized);
+
+        if (excludeUserId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeUserId.Value);
+        }
+
+        // 3. 返回是否存在
+        return await query.AnyAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 根据 ID 获取后台用户。
+    /// </summary>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
+    public Task<IdentityUser?> FindByIdAsync(long userId, CancellationToken cancellationToken = default)
+        => dbContext.IdentityUsers.AsNoTracking().FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
+
+    /// <summary>
+    /// 根据 ID 获取后台用户（用于更新，返回可跟踪实体）。
+    /// </summary>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
+    public Task<IdentityUser?> GetForUpdateAsync(long userId, CancellationToken cancellationToken = default)
+        => dbContext.IdentityUsers.FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
+
+    /// <summary>
+    /// 根据 ID 获取后台用户（用于更新，包含已删除数据）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
+    public async Task<IdentityUser?> GetForUpdateIncludingDeletedAsync(
+        long tenantId,
+        long userId,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 构建查询（包含已删除数据，但强制租户隔离）
+        using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+        return await dbContext.IdentityUsers
+            .Where(x => x.TenantId == tenantId)
+            .FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
+    }
+
+    /// <summary>
+    /// 按租户与关键字搜索后台用户（只读）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="keyword">关键字（账号/名称）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户列表。</returns>
+    public async Task<IReadOnlyList<IdentityUser>> SearchAsync(long tenantId, string? keyword, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = dbContext.IdentityUsers
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId);
+
+        // 2. 关键字过滤
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x => x.Account.Contains(normalized) || x.DisplayName.Contains(normalized));
+        }
+
+        // 3. 返回列表
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 分页查询后台用户列表。
+    /// </summary>
+    /// <param name="filter">查询过滤条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页结果。</returns>
+    public async Task<(IReadOnlyList<IdentityUser> Items, int Total)> SearchPagedAsync(
+        IdentityUserSearchFilter filter,
+        CancellationToken cancellationToken = default)
+    {
+        if (!filter.TenantId.HasValue || filter.TenantId.Value <= 0)
+        {
+            throw new InvalidOperationException("TenantId 不能为空且必须大于 0");
+        }
+
+        var tenantId = filter.TenantId.Value;
+
+        using var disableSoftDeleteScope = filter.IncludeDeleted ? dbContext.DisableSoftDeleteFilter() : null;
+
+        // 1. 构建基础查询
+        var query = dbContext.IdentityUsers.AsNoTracking();
+
+        // 2. 租户过滤（强制）
+        query = query.Where(x => x.TenantId == tenantId);
+
+        // 3. 关键字筛选
+        if (!string.IsNullOrWhiteSpace(filter.Keyword))
+        {
+            var normalized = filter.Keyword.Trim();
+            var likeValue = $"%{normalized}%";
+            query = query.Where(x =>
+                EF.Functions.ILike(x.Account, likeValue)
+                || EF.Functions.ILike(x.DisplayName, likeValue)
+                || (x.Phone != null && EF.Functions.ILike(x.Phone, likeValue))
+                || (x.Email != null && EF.Functions.ILike(x.Email, likeValue)));
+        }
+
+        // 4. 状态过滤
+        if (filter.Status.HasValue)
+        {
+            query = query.Where(x => x.Status == filter.Status.Value);
+        }
+
+        // 5. 角色过滤
+        if (filter.RoleId.HasValue)
+        {
+            var roleId = filter.RoleId.Value;
+            var userRoles = dbContext.UserRoles.AsNoTracking();
+
+            userRoles = userRoles.Where(x => x.TenantId == tenantId);
+
+            query = query.Where(user => userRoles.Any(role => role.UserId == user.Id && role.RoleId == roleId));
+        }
+
+        // 6. 时间范围过滤
+        if (filter.CreatedAtFrom.HasValue)
+        {
+            query = query.Where(x => x.CreatedAt >= filter.CreatedAtFrom.Value);
+        }
+
+        if (filter.CreatedAtTo.HasValue)
+        {
+            query = query.Where(x => x.CreatedAt <= filter.CreatedAtTo.Value);
+        }
+
+        if (filter.LastLoginFrom.HasValue)
+        {
+            query = query.Where(x => x.LastLoginAt >= filter.LastLoginFrom.Value);
+        }
+
+        if (filter.LastLoginTo.HasValue)
+        {
+            query = query.Where(x => x.LastLoginAt <= filter.LastLoginTo.Value);
+        }
+
+        // 7. 排序
+        var sorted = filter.SortBy?.ToLowerInvariant() switch
+        {
+            "account" => filter.SortDescending
+                ? query.OrderByDescending(x => x.Account)
+                : query.OrderBy(x => x.Account),
+            "displayname" => filter.SortDescending
+                ? query.OrderByDescending(x => x.DisplayName)
+                : query.OrderBy(x => x.DisplayName),
+            "status" => filter.SortDescending
+                ? query.OrderByDescending(x => x.Status)
+                : query.OrderBy(x => x.Status),
+            "lastloginat" => filter.SortDescending
+                ? query.OrderByDescending(x => x.LastLoginAt)
+                : query.OrderBy(x => x.LastLoginAt),
+            _ => filter.SortDescending
+                ? query.OrderByDescending(x => x.CreatedAt)
+                : query.OrderBy(x => x.CreatedAt)
+        };
+
+        // 8. 分页
+        var page = filter.Page <= 0 ? 1 : filter.Page;
+        var pageSize = filter.PageSize <= 0 ? 20 : filter.PageSize;
+        var total = await sorted.CountAsync(cancellationToken);
+        var items = await sorted
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync(cancellationToken);
+
+        return (items, total);
+    }
+
+    /// <summary>
+    /// 根据 ID 集合批量获取后台用户（只读）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userIds">用户 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户列表。</returns>
+    public async Task<IReadOnlyList<IdentityUser>> GetByIdsAsync(long tenantId, IEnumerable<long> userIds, CancellationToken cancellationToken = default)
+    {
+        return await dbContext.IdentityUsers.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && userIds.Contains(x.Id))
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 批量获取后台用户（可用于更新，支持包含已删除数据）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userIds">用户 ID 集合。</param>
+    /// <param name="includeDeleted">是否包含已删除数据。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户列表。</returns>
+    public async Task<IReadOnlyList<IdentityUser>> GetForUpdateByIdsAsync(
+        long tenantId,
+        IEnumerable<long> userIds,
+        bool includeDeleted,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var ids = userIds.Distinct().ToArray();
+        if (ids.Length == 0)
+        {
+            return Array.Empty<IdentityUser>();
+        }
+
+        var query = dbContext.IdentityUsers.Where(x => ids.Contains(x.Id));
+        using var disableSoftDeleteScope = includeDeleted ? dbContext.DisableSoftDeleteFilter() : null;
+
+        query = query.Where(x => x.TenantId == tenantId);
+
+        // 2. 返回列表
+        return await query.ToListAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增后台用户。
+    /// </summary>
+    /// <param name="user">后台用户实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task AddAsync(IdentityUser user, CancellationToken cancellationToken = default)
+    {
+        // 1. 添加实体
+        dbContext.IdentityUsers.Add(user);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除后台用户（软删除）。
+    /// </summary>
+    /// <param name="user">后台用户实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task RemoveAsync(IdentityUser user, CancellationToken cancellationToken = default)
+    {
+        // 1. 标记删除
+        dbContext.IdentityUsers.Remove(user);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 持久化仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => dbContext.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs
new file mode 100644
index 0000000..efb45a4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs
@@ -0,0 +1,70 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF Core 小程序用户仓储实现。
+/// </summary>
+public sealed class EfMiniUserRepository(IdentityDbContext dbContext) : IMiniUserRepository
+{
+    /// <summary>
+    /// 根据 OpenId 获取小程序用户。
+    /// </summary>
+    /// <param name="openId">微信 OpenId。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>匹配的小程序用户或 null。</returns>
+    public Task<MiniUser?> FindByOpenIdAsync(string openId, CancellationToken cancellationToken = default)
+        => dbContext.MiniUsers.AsNoTracking().FirstOrDefaultAsync(x => x.OpenId == openId, cancellationToken);
+
+    /// <summary>
+    /// 根据用户 ID 获取小程序用户。
+    /// </summary>
+    /// <param name="id">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>匹配的小程序用户或 null。</returns>
+    public Task<MiniUser?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
+        => dbContext.MiniUsers.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+
+    /// <summary>
+    /// 创建或更新小程序用户信息。
+    /// </summary>
+    /// <param name="openId">微信 OpenId。</param>
+    /// <param name="unionId">微信 UnionId。</param>
+    /// <param name="nickname">昵称。</param>
+    /// <param name="avatar">头像地址。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建或更新后的小程序用户。</returns>
+    public async Task<MiniUser> CreateOrUpdateAsync(string openId, string? unionId, string? nickname, string? avatar, long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询现有用户
+        var user = await dbContext.MiniUsers.FirstOrDefaultAsync(x => x.OpenId == openId, cancellationToken);
+        if (user == null)
+        {
+            // 2. 未找到则创建
+            user = new MiniUser
+            {
+                Id = 0,
+                OpenId = openId,
+                UnionId = unionId,
+                Nickname = nickname ?? "小程序用户",
+                Avatar = avatar,
+                TenantId = tenantId
+            };
+            dbContext.MiniUsers.Add(user);
+        }
+        else
+        {
+            // 3. 已存在则更新可变字段
+            user.UnionId = unionId ?? user.UnionId;
+            user.Nickname = nickname ?? user.Nickname;
+            user.Avatar = avatar ?? user.Avatar;
+        }
+
+        // 4. 保存更改
+        await dbContext.SaveChangesAsync(cancellationToken);
+        return user;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs
new file mode 100644
index 0000000..0d07f47
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs
@@ -0,0 +1,162 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF 权限仓储。
+/// </summary>
+/// <remarks>
+/// 权限是系统级数据，使用 IgnoreQueryFilters 忽略多租户过滤。
+/// </remarks>
+public sealed class EfPermissionRepository(IdentityDbContext dbContext) : IPermissionRepository
+{
+    /// <summary>
+    /// 根据权限 ID 获取权限。
+    /// </summary>
+    /// <param name="permissionId">权限 ID。</param>
+    /// <param name="tenantId">租户 ID（保留参数，实际不使用）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限实体或 null。</returns>
+    public Task<Permission?> FindByIdAsync(long permissionId, long tenantId, CancellationToken cancellationToken = default)
+        => dbContext.Permissions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == permissionId && x.DeletedAt == null, cancellationToken);
+
+    /// <summary>
+    /// 根据权限编码获取权限。
+    /// </summary>
+    /// <param name="code">权限编码。</param>
+    /// <param name="tenantId">租户 ID（保留参数，实际不使用）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限实体或 null。</returns>
+    public Task<Permission?> FindByCodeAsync(string code, long tenantId, CancellationToken cancellationToken = default)
+        => dbContext.Permissions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Code == code && x.DeletedAt == null, cancellationToken);
+
+    /// <summary>
+    /// 根据权限编码集合批量获取权限。
+    /// </summary>
+    /// <param name="tenantId">租户 ID（保留参数，实际不使用）。</param>
+    /// <param name="codes">权限编码集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限列表。</returns>
+    public Task<IReadOnlyList<Permission>> GetByCodesAsync(long tenantId, IEnumerable<string> codes, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化编码集合
+        var normalizedCodes = codes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct()
+            .ToArray();
+
+        // 2. 读取权限（忽略租户过滤）
+        return dbContext.Permissions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && normalizedCodes.Contains(x.Code))
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<Permission>)t.Result, cancellationToken);
+    }
+
+    /// <summary>
+    /// 根据权限 ID 集合批量获取权限。
+    /// </summary>
+    /// <param name="tenantId">租户 ID（保留参数，实际不使用）。</param>
+    /// <param name="permissionIds">权限 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限列表。</returns>
+    public Task<IReadOnlyList<Permission>> GetByIdsAsync(long tenantId, IEnumerable<long> permissionIds, CancellationToken cancellationToken = default)
+        => dbContext.Permissions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null && permissionIds.Contains(x.Id))
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<Permission>)t.Result, cancellationToken);
+
+    /// <summary>
+    /// 按关键字搜索权限。
+    /// </summary>
+    /// <param name="tenantId">租户 ID（保留参数，实际不使用）。</param>
+    /// <param name="keyword">搜索关键字。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限列表。</returns>
+    public Task<IReadOnlyList<Permission>> SearchAsync(long tenantId, string? keyword, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询（忽略租户过滤）
+        var query = dbContext.Permissions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null);
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            // 2. 追加关键字过滤
+            var normalized = keyword.Trim();
+            query = query.Where(x => x.Name.Contains(normalized) || x.Code.Contains(normalized));
+        }
+
+        // 3. 返回列表
+        return query.ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<Permission>)t.Result, cancellationToken);
+    }
+
+    /// <summary>
+    /// 新增权限。
+    /// </summary>
+    /// <param name="permission">权限实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task AddAsync(Permission permission, CancellationToken cancellationToken = default)
+    {
+        // 1. 添加实体
+        dbContext.Permissions.Add(permission);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 更新权限。
+    /// </summary>
+    /// <param name="permission">权限实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task UpdateAsync(Permission permission, CancellationToken cancellationToken = default)
+    {
+        // 1. 标记实体更新
+        dbContext.Permissions.Update(permission);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 删除指定权限。
+    /// </summary>
+    /// <param name="permissionId">权限 ID。</param>
+    /// <param name="tenantId">租户 ID（保留参数，实际不使用）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task DeleteAsync(long permissionId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询目标权限
+        var entity = await dbContext.Permissions
+            .IgnoreQueryFilters()
+            .FirstOrDefaultAsync(x => x.Id == permissionId, cancellationToken);
+        if (entity != null)
+        {
+            // 2. 删除实体
+            dbContext.Permissions.Remove(entity);
+        }
+    }
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => dbContext.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs
new file mode 100644
index 0000000..7367c64
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs
@@ -0,0 +1,92 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF 角色-权限仓储。
+/// </summary>
+public sealed class EfRolePermissionRepository(IdentityDbContext dbContext) : IRolePermissionRepository
+{
+    /// <summary>
+    /// 根据角色 ID 集合获取角色权限映射。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="roleIds">角色 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色权限映射列表。</returns>
+    public async Task<IReadOnlyList<RolePermission>> GetByRoleIdsAsync(long tenantId, IEnumerable<long> roleIds, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询角色权限映射
+        var mappings = await dbContext.RolePermissions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null && roleIds.Contains(x.RoleId))
+            .ToListAsync(cancellationToken);
+
+        // 2. (空行后) 返回只读列表
+        return mappings;
+    }
+
+    /// <summary>
+    /// 批量新增角色权限。
+    /// </summary>
+    /// <param name="rolePermissions">角色权限集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task AddRangeAsync(IEnumerable<RolePermission> rolePermissions, CancellationToken cancellationToken = default)
+    {
+        // 1. 转为数组便于计数
+        var toAdd = rolePermissions as RolePermission[] ?? rolePermissions.ToArray();
+        if (toAdd.Length == 0)
+        {
+            return;
+        }
+
+        // 2. 批量插入
+        await dbContext.RolePermissions.AddRangeAsync(toAdd, cancellationToken);
+    }
+
+    /// <summary>
+    /// 替换指定角色的权限集合。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="roleId">角色 ID。</param>
+    /// <param name="permissionIds">权限 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task ReplaceRolePermissionsAsync(long tenantId, long roleId, IEnumerable<long> permissionIds, CancellationToken cancellationToken = default)
+    {
+        // 1. 使用执行策略保证可靠性
+        var strategy = dbContext.Database.CreateExecutionStrategy();
+        await strategy.ExecuteAsync(async () =>
+        {
+            await using var trx = await dbContext.Database.BeginTransactionAsync(cancellationToken);
+
+            // 1. 删除旧记录（原生 SQL，避免跟踪干扰）
+            await dbContext.Database.ExecuteSqlRawAsync(
+                "DELETE FROM \"role_permissions\" WHERE \"TenantId\" = {0} AND \"RoleId\" = {1};",
+                parameters: new object[] { tenantId, roleId },
+                cancellationToken: cancellationToken);
+
+            // 2. 插入新记录（防重复）
+            foreach (var permissionId in permissionIds.Distinct())
+            {
+                await dbContext.Database.ExecuteSqlRawAsync(
+                    "INSERT INTO \"role_permissions\" (\"TenantId\",\"RoleId\",\"PermissionId\",\"CreatedAt\",\"CreatedBy\",\"UpdatedAt\",\"UpdatedBy\",\"DeletedAt\",\"DeletedBy\") VALUES ({0},{1},{2},NOW(),NULL,NULL,NULL,NULL,NULL) ON CONFLICT DO NOTHING;",
+                    parameters: new object[] { tenantId, roleId, permissionId },
+                    cancellationToken: cancellationToken);
+            }
+
+            await trx.CommitAsync(cancellationToken);
+        });
+    }
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => dbContext.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleRepository.cs
new file mode 100644
index 0000000..16127ea
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleRepository.cs
@@ -0,0 +1,136 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF 角色仓储。
+/// </summary>
+public sealed class EfRoleRepository(IdentityDbContext dbContext) : IRoleRepository
+{
+    /// <summary>
+    /// 根据角色 ID 获取角色。
+    /// </summary>
+    /// <param name="roleId">角色 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色实体或 null。</returns>
+    public Task<Role?> FindByIdAsync(long roleId, long tenantId, CancellationToken cancellationToken = default)
+        => dbContext.Roles
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == roleId && x.TenantId == tenantId && x.DeletedAt == null, cancellationToken);
+
+    /// <summary>
+    /// 根据角色编码获取角色。
+    /// </summary>
+    /// <param name="code">角色编码。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色实体或 null。</returns>
+    public Task<Role?> FindByCodeAsync(string code, long tenantId, CancellationToken cancellationToken = default)
+        => dbContext.Roles
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Code == code && x.TenantId == tenantId && x.DeletedAt == null, cancellationToken);
+
+    /// <summary>
+    /// 根据角色 ID 集合获取角色列表。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="roleIds">角色 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色列表。</returns>
+    public async Task<IReadOnlyList<Role>> GetByIdsAsync(long tenantId, IEnumerable<long> roleIds, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询角色列表
+        var roles = await dbContext.Roles
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && roleIds.Contains(x.Id) && x.DeletedAt == null)
+            .ToListAsync(cancellationToken);
+
+        // 2. (空行后) 返回只读列表
+        return roles;
+    }
+
+    /// <summary>
+    /// 按关键字搜索角色。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="keyword">搜索关键字。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色列表。</returns>
+    public async Task<IReadOnlyList<Role>> SearchAsync(long tenantId, string? keyword, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = dbContext.Roles
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null);
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            // 2. 追加关键字过滤
+            var normalized = keyword.Trim();
+            query = query.Where(x => x.Name.Contains(normalized) || x.Code.Contains(normalized));
+        }
+
+        // 3. 返回列表
+        var roles = await query.ToListAsync(cancellationToken);
+
+        // 4. (空行后) 返回只读列表
+        return roles;
+    }
+
+    /// <summary>
+    /// 新增角色。
+    /// </summary>
+    /// <param name="role">角色实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task AddAsync(Role role, CancellationToken cancellationToken = default)
+    {
+        // 1. 添加实体
+        dbContext.Roles.Add(role);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 更新角色。
+    /// </summary>
+    /// <param name="role">角色实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task UpdateAsync(Role role, CancellationToken cancellationToken = default)
+    {
+        // 1. 标记更新
+        dbContext.Roles.Update(role);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 软删除角色。
+    /// </summary>
+    /// <param name="roleId">角色 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task DeleteAsync(long roleId, long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询目标角色
+        var entity = await dbContext.Roles.FirstOrDefaultAsync(x => x.Id == roleId && x.TenantId == tenantId, cancellationToken);
+        if (entity != null)
+        {
+            // 2. 标记删除时间
+            entity.DeletedAt = DateTime.UtcNow;
+            dbContext.Roles.Update(entity);
+        }
+    }
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => dbContext.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs
new file mode 100644
index 0000000..e84131d
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs
@@ -0,0 +1,193 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// 角色模板仓储实现。
+/// </summary>
+public sealed class EfRoleTemplateRepository(IdentityDbContext dbContext) : IRoleTemplateRepository
+{
+    /// <summary>
+    /// 获取全部角色模板，可选按启用状态过滤。
+    /// </summary>
+    /// <param name="isActive">是否启用过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色模板列表。</returns>
+    public Task<IReadOnlyList<RoleTemplate>> GetAllAsync(bool? isActive, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建基础查询
+        var query = dbContext.RoleTemplates.AsNoTracking();
+        if (isActive.HasValue)
+        {
+            // 2. 按启用状态过滤
+            query = query.Where(x => x.IsActive == isActive.Value);
+        }
+
+        // 3. 排序并返回
+        return query
+            .OrderBy(x => x.TemplateCode)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<RoleTemplate>)t.Result, cancellationToken);
+    }
+
+    /// <summary>
+    /// 根据模板编码获取角色模板。
+    /// </summary>
+    /// <param name="templateCode">模板编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>角色模板或 null。</returns>
+    public Task<RoleTemplate?> FindByCodeAsync(string templateCode, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化编码
+        var normalized = templateCode.Trim();
+        // 2. 查询模板
+        return dbContext.RoleTemplates.AsNoTracking().FirstOrDefaultAsync(x => x.TemplateCode == normalized, cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取指定模板的权限集合。
+    /// </summary>
+    /// <param name="roleTemplateId">模板 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>模板权限列表。</returns>
+    public Task<IReadOnlyList<RoleTemplatePermission>> GetPermissionsAsync(long roleTemplateId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询模板权限
+        return dbContext.RoleTemplatePermissions.AsNoTracking()
+            .Where(x => x.RoleTemplateId == roleTemplateId)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<RoleTemplatePermission>)t.Result, cancellationToken);
+    }
+
+    /// <summary>
+    /// 获取多个模板的权限集合。
+    /// </summary>
+    /// <param name="roleTemplateIds">模板 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>模板到权限的字典。</returns>
+    public async Task<IDictionary<long, IReadOnlyList<RoleTemplatePermission>>> GetPermissionsAsync(IEnumerable<long> roleTemplateIds, CancellationToken cancellationToken = default)
+    {
+        // 1. 去重 ID
+        var ids = roleTemplateIds.Distinct().ToArray();
+        if (ids.Length == 0)
+        {
+            return new Dictionary<long, IReadOnlyList<RoleTemplatePermission>>();
+        }
+
+        // 2. 批量查询权限
+        var permissions = await dbContext.RoleTemplatePermissions.AsNoTracking()
+            .Where(x => ids.Contains(x.RoleTemplateId))
+            .ToListAsync(cancellationToken);
+
+        // 3. 组装字典
+        return permissions
+            .GroupBy(x => x.RoleTemplateId)
+            .ToDictionary(g => g.Key, g => (IReadOnlyList<RoleTemplatePermission>)g.ToList());
+    }
+
+    /// <summary>
+    /// 新增角色模板并配置权限。
+    /// </summary>
+    /// <param name="template">角色模板实体。</param>
+    /// <param name="permissionCodes">权限编码集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task AddAsync(RoleTemplate template, IEnumerable<string> permissionCodes, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化模板字段
+        template.TemplateCode = template.TemplateCode.Trim();
+        template.Name = template.Name.Trim();
+        // 2. 保存模板
+        await dbContext.RoleTemplates.AddAsync(template, cancellationToken);
+        // 3. 替换权限
+        await ReplacePermissionsInternalAsync(template, permissionCodes, cancellationToken);
+    }
+
+    /// <summary>
+    /// 更新角色模板并重置权限。
+    /// </summary>
+    /// <param name="template">角色模板实体。</param>
+    /// <param name="permissionCodes">权限编码集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task UpdateAsync(RoleTemplate template, IEnumerable<string> permissionCodes, CancellationToken cancellationToken = default)
+    {
+        // 1. 规范化模板字段
+        template.TemplateCode = template.TemplateCode.Trim();
+        template.Name = template.Name.Trim();
+        // 2. 更新模板
+        dbContext.RoleTemplates.Update(template);
+        // 3. 重置权限
+        await ReplacePermissionsInternalAsync(template, permissionCodes, cancellationToken);
+    }
+
+    /// <summary>
+    /// 删除角色模板及其权限。
+    /// </summary>
+    /// <param name="roleTemplateId">模板 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task DeleteAsync(long roleTemplateId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询模板
+        var entity = await dbContext.RoleTemplates.FirstOrDefaultAsync(x => x.Id == roleTemplateId, cancellationToken);
+        if (entity != null)
+        {
+            // 2. 删除关联权限
+            var permissions = dbContext.RoleTemplatePermissions.Where(x => x.RoleTemplateId == roleTemplateId);
+            dbContext.RoleTemplatePermissions.RemoveRange(permissions);
+            // 3. 删除模板
+            dbContext.RoleTemplates.Remove(entity);
+        }
+    }
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => dbContext.SaveChangesAsync(cancellationToken);
+
+    private async Task ReplacePermissionsInternalAsync(RoleTemplate template, IEnumerable<string> permissionCodes, CancellationToken cancellationToken)
+    {
+        // 1. 使用执行策略保证一致性
+        var strategy = dbContext.Database.CreateExecutionStrategy();
+        await strategy.ExecuteAsync(async () =>
+        {
+            await using var trx = await dbContext.Database.BeginTransactionAsync(cancellationToken);
+
+            // 1. 确保模板已持久化，便于 FK 正确填充
+            if (!dbContext.Entry(template).IsKeySet || template.Id == 0)
+            {
+                await dbContext.SaveChangesAsync(cancellationToken);
+            }
+
+            // 2. 归一化权限编码
+            var normalized = permissionCodes
+                .Where(code => !string.IsNullOrWhiteSpace(code))
+                .Select(code => code.Trim())
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .ToArray();
+
+            // 3. 清空旧权限（原生 SQL 避免跟踪干扰）
+            await dbContext.Database.ExecuteSqlRawAsync(
+                "DELETE FROM \"role_template_permissions\" WHERE \"RoleTemplateId\" = {0};",
+                parameters: new object[] { template.Id },
+                cancellationToken: cancellationToken);
+
+            // 4. 插入新权限（ON CONFLICT DO NOTHING 防御重复）
+            foreach (var code in normalized)
+            {
+                await dbContext.Database.ExecuteSqlRawAsync(
+                    "INSERT INTO \"role_template_permissions\" (\"RoleTemplateId\",\"PermissionCode\",\"CreatedAt\",\"CreatedBy\",\"UpdatedAt\",\"UpdatedBy\",\"DeletedAt\",\"DeletedBy\") VALUES ({0},{1},NOW(),NULL,NULL,NULL,NULL,NULL) ON CONFLICT DO NOTHING;",
+                    parameters: new object[] { template.Id, code },
+                    cancellationToken: cancellationToken);
+            }
+
+            await trx.CommitAsync(cancellationToken);
+        });
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfUserRoleRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfUserRoleRepository.cs
new file mode 100644
index 0000000..c5398c2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfUserRoleRepository.cs
@@ -0,0 +1,133 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// EF 用户-角色仓储。
+/// </summary>
+public sealed class EfUserRoleRepository(IdentityDbContext dbContext) : IUserRoleRepository
+{
+    /// <summary>
+    /// 根据用户 ID 集合获取用户角色映射。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userIds">用户 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>用户角色映射列表。</returns>
+    public async Task<IReadOnlyList<UserRole>> GetByUserIdsAsync(long tenantId, IEnumerable<long> userIds, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询用户角色映射
+        var mappings = await dbContext.UserRoles
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null && userIds.Contains(x.UserId))
+            .ToListAsync(cancellationToken);
+
+        // 2. (空行后) 返回只读列表
+        return mappings;
+    }
+
+    /// <summary>
+    /// 获取指定用户的角色集合。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>用户角色列表。</returns>
+    public async Task<IReadOnlyList<UserRole>> GetByUserIdAsync(long tenantId, long userId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询用户角色映射
+        var mappings = await dbContext.UserRoles
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null && x.UserId == userId)
+            .ToListAsync(cancellationToken);
+
+        // 2. (空行后) 返回只读列表
+        return mappings;
+    }
+
+    /// <summary>
+    /// 替换指定用户的角色集合。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="roleIds">角色 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task ReplaceUserRolesAsync(long tenantId, long userId, IEnumerable<long> roleIds, CancellationToken cancellationToken = default)
+    {
+        // 1. 使用执行策略保障一致性
+        var strategy = dbContext.Database.CreateExecutionStrategy();
+        await strategy.ExecuteAsync(async () =>
+        {
+            await using var trx = await dbContext.Database.BeginTransactionAsync(cancellationToken);
+
+            // 2. 读取当前角色映射
+            using var disableSoftDeleteScope = dbContext.DisableSoftDeleteFilter();
+            var existing = await dbContext.UserRoles
+                .Where(x => x.TenantId == tenantId && x.UserId == userId)
+                .ToListAsync(cancellationToken);
+
+            // 3. 去重并构建目标集合
+            var targetRoleIds = roleIds.Distinct().ToArray();
+            var targetRoleSet = targetRoleIds.ToHashSet();
+            var existingRoleMap = existing.ToDictionary(x => x.RoleId);
+
+            // 4. 同步现有映射状态（软删除或恢复）
+            foreach (var mapping in existing)
+            {
+                if (targetRoleSet.Contains(mapping.RoleId))
+                {
+                    if (mapping.DeletedAt.HasValue)
+                    {
+                        mapping.DeletedAt = null;
+                        mapping.DeletedBy = null;
+                    }
+                    continue;
+                }
+
+                if (!mapping.DeletedAt.HasValue)
+                {
+                    dbContext.UserRoles.Remove(mapping);
+                }
+            }
+
+            // 5. 补齐新增角色映射
+            var toAdd = targetRoleIds
+                .Where(roleId => !existingRoleMap.ContainsKey(roleId))
+                .Select(roleId => new UserRole
+                {
+                    TenantId = tenantId,
+                    UserId = userId,
+                    RoleId = roleId
+                });
+
+            await dbContext.UserRoles.AddRangeAsync(toAdd, cancellationToken);
+            await dbContext.SaveChangesAsync(cancellationToken);
+
+            await trx.CommitAsync(cancellationToken);
+        });
+    }
+
+    /// <summary>
+    /// 统计指定角色下的用户数量。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="roleId">角色 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>用户数量。</returns>
+    public Task<int> CountUsersByRoleAsync(long tenantId, long roleId, CancellationToken cancellationToken = default)
+        => dbContext.UserRoles
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId && x.DeletedAt == null && x.RoleId == roleId)
+            .CountAsync(cancellationToken);
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>保存任务。</returns>
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => dbContext.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs
new file mode 100644
index 0000000..cf2c903
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs
@@ -0,0 +1,326 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Npgsql;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+using DomainIdentityUser = TakeoutSaaS.Domain.Identity.Entities.IdentityUser;
+using DomainPermission = TakeoutSaaS.Domain.Identity.Entities.Permission;
+using DomainRole = TakeoutSaaS.Domain.Identity.Entities.Role;
+using DomainRolePermission = TakeoutSaaS.Domain.Identity.Entities.RolePermission;
+using DomainRoleTemplate = TakeoutSaaS.Domain.Identity.Entities.RoleTemplate;
+using DomainRoleTemplatePermission = TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission;
+using DomainUserRole = TakeoutSaaS.Domain.Identity.Entities.UserRole;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// 后台账号初始化种子任务
+/// </summary>
+public sealed class IdentityDataSeeder(IServiceProvider serviceProvider, ILogger<IdentityDataSeeder> logger) : IHostedService
+{
+    /// <summary>
+    /// 执行后台账号与权限种子。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        // 1. 创建作用域并解析依赖
+        using var scope = serviceProvider.CreateScope();
+        var context = scope.ServiceProvider.GetRequiredService<IdentityDbContext>();
+        var options = scope.ServiceProvider.GetRequiredService<IOptions<AdminSeedOptions>>().Value;
+        var passwordHasher = scope.ServiceProvider.GetRequiredService<IPasswordHasher<DomainIdentityUser>>();
+        var tenantContextAccessor = scope.ServiceProvider.GetRequiredService<ITenantContextAccessor>();
+
+        // 2. 校验功能开关
+        if (!options.Enabled)
+        {
+            logger.LogInformation("AdminSeed 已禁用，跳过后台账号初始化");
+            return;
+        }
+        // 3. 确保数据库已迁移
+        await context.Database.MigrateAsync(cancellationToken);
+
+        // 4. 校验账号配置
+        if (options.Users is null or { Count: 0 })
+        {
+            logger.LogInformation("AdminSeed 未配置账号，跳过后台账号初始化");
+            return;
+        }
+
+        // 5. 写入角色模板
+        await SeedRoleTemplatesAsync(context, options.RoleTemplates, cancellationToken);
+
+        // 6. 逐个账号处理
+        foreach (var userOptions in options.Users)
+        {
+            // 6.1 进入租户作用域
+            using var tenantScope = tenantContextAccessor.EnterTenantScope(userOptions.TenantId, "admin-seed");
+            // 6.2 查询账号并收集配置
+            var user = await context.IdentityUsers.FirstOrDefaultAsync(x => x.Account == userOptions.Account, cancellationToken);
+            var roles = NormalizeValues(userOptions.Roles);
+            var permissions = NormalizeValues(userOptions.Permissions);
+
+            if (user == null)
+            {
+                // 6.3 创建新账号
+                user = new DomainIdentityUser
+                {
+                    Id = 0,
+                    Account = userOptions.Account,
+                    DisplayName = userOptions.DisplayName,
+                    TenantId = userOptions.TenantId,
+                    MerchantId = userOptions.MerchantId,
+                    Avatar = null
+                };
+                user.PasswordHash = passwordHasher.HashPassword(user, userOptions.Password);
+                context.IdentityUsers.Add(user);
+                logger.LogInformation("已创建后台账号 {Account}", user.Account);
+            }
+            else
+            {
+                // 6.4 更新既有账号
+                user.DisplayName = userOptions.DisplayName;
+                user.TenantId = userOptions.TenantId;
+                user.MerchantId = userOptions.MerchantId;
+                user.PasswordHash = passwordHasher.HashPassword(user, userOptions.Password);
+                logger.LogInformation("已更新后台账号 {Account}", user.Account);
+            }
+
+            // 6.5 确保角色存在
+            var existingRoles = await context.Roles
+                .Where(r => r.TenantId == userOptions.TenantId && roles.Contains(r.Code))
+                .ToListAsync(cancellationToken);
+            var existingRoleCodes = existingRoles.Select(r => r.Code).ToHashSet(StringComparer.OrdinalIgnoreCase);
+            foreach (var code in roles)
+            {
+                if (existingRoleCodes.Contains(code))
+                {
+                    continue;
+                }
+
+                context.Roles.Add(new DomainRole
+                {
+                    TenantId = userOptions.TenantId,
+                    Code = code,
+                    Name = code,
+                    Description = $"Seed role {code}"
+                });
+            }
+
+            // 6.6 读取当前租户权限定义
+            var existingPermissions = await context.Permissions
+                .AsNoTracking()
+                .Where(p => permissions.Contains(p.Code))
+                .ToListAsync(cancellationToken);
+            var existingPermissionCodes = existingPermissions
+                .Select(p => p.Code)
+                .ToHashSet(StringComparer.OrdinalIgnoreCase);
+            var missingPermissionCodes = permissions
+                .Where(code => !existingPermissionCodes.Contains(code))
+                .ToArray();
+            if (missingPermissionCodes.Length > 0)
+            {
+                logger.LogWarning("发现未配置的全局权限编码，已忽略：{Codes}", string.Join(", ", missingPermissionCodes));
+            }
+
+            // 6.7 保存基础角色/权限
+            await context.SaveChangesAsync(cancellationToken);
+
+            // 6.8 重新加载角色/权限以获取 Id
+            var roleEntities = await context.Roles
+                .Where(r => r.TenantId == userOptions.TenantId && roles.Contains(r.Code))
+                .ToListAsync(cancellationToken);
+            var permissionEntities = existingPermissions;
+
+            // 6.9 重置用户角色
+            var existingUserRoles = await context.UserRoles
+                .Where(ur => ur.TenantId == userOptions.TenantId && ur.UserId == user.Id)
+                .ToListAsync(cancellationToken);
+            context.UserRoles.RemoveRange(existingUserRoles);
+            await context.SaveChangesAsync(cancellationToken);
+
+            var roleIds = roleEntities.Select(r => r.Id).Distinct().ToArray();
+            foreach (var roleId in roleIds)
+            {
+                try
+                {
+                    var alreadyExists = await context.UserRoles.AnyAsync(
+                        ur => ur.TenantId == userOptions.TenantId && ur.UserId == user.Id && ur.RoleId == roleId,
+                        cancellationToken);
+                    if (alreadyExists)
+                    {
+                        continue;
+                    }
+
+                    await context.UserRoles.AddAsync(new DomainUserRole
+                    {
+                        TenantId = userOptions.TenantId,
+                        UserId = user.Id,
+                        RoleId = roleId
+                    }, cancellationToken);
+
+                    await context.SaveChangesAsync(cancellationToken);
+                }
+                catch (DbUpdateException ex) when (ex.InnerException is PostgresException pg && pg.SqlState == PostgresErrorCodes.UniqueViolation)
+                {
+                    context.ChangeTracker.Clear();
+                }
+            }
+
+            // 为种子角色绑定种子权限
+            if (permissions.Length > 0 && roleIds.Length > 0)
+            {
+                var permissionIds = permissionEntities.Select(p => p.Id).Distinct().ToArray();
+                var existingRolePermissions = await context.RolePermissions
+                    .Where(rp => rp.TenantId == userOptions.TenantId && roleIds.Contains(rp.RoleId))
+                    .ToListAsync(cancellationToken);
+                context.RolePermissions.RemoveRange(existingRolePermissions);
+                await context.SaveChangesAsync(cancellationToken);
+
+                var distinctRoleIds = roleIds.Distinct().ToArray();
+                var distinctPermissionIds = permissionIds.Distinct().ToArray();
+                foreach (var roleId in distinctRoleIds)
+                {
+                    foreach (var permissionId in distinctPermissionIds)
+                    {
+                        try
+                        {
+                            var exists = await context.RolePermissions.AnyAsync(
+                                rp => rp.TenantId == userOptions.TenantId
+                                   && rp.RoleId == roleId
+                                   && rp.PermissionId == permissionId,
+                                cancellationToken);
+                            if (exists)
+                            {
+                                continue;
+                            }
+
+                            // 6.10 绑定角色与权限
+                            await context.RolePermissions.AddAsync(new DomainRolePermission
+                            {
+                                TenantId = userOptions.TenantId,
+                                RoleId = roleId,
+                                PermissionId = permissionId
+                            }, cancellationToken);
+
+                            await context.SaveChangesAsync(cancellationToken);
+                        }
+                        catch (DbUpdateException ex) when (ex.InnerException is PostgresException pg && pg.SqlState == PostgresErrorCodes.UniqueViolation)
+                        {
+                            context.ChangeTracker.Clear();
+                        }
+                    }
+                }
+            }
+        }
+
+        // 7. 最终保存
+        await context.SaveChangesAsync(cancellationToken);
+    }
+
+    /// <summary>
+    /// 停止生命周期时的清理（此处无需处理）。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>已完成任务。</returns>
+    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+
+    private static async Task SeedRoleTemplatesAsync(
+        IdentityDbContext context,
+        IList<RoleTemplateSeedOptions> templates,
+        CancellationToken cancellationToken)
+    {
+        // 1. 空集合直接返回
+        if (templates is null || templates.Count == 0)
+        {
+            return;
+        }
+
+        // 2. 逐个处理模板
+        foreach (var templateOptions in templates)
+        {
+            // 2.1 校验必填字段
+            if (string.IsNullOrWhiteSpace(templateOptions.TemplateCode) || string.IsNullOrWhiteSpace(templateOptions.Name))
+            {
+                continue;
+            }
+
+            // 2.2 查询现有模板
+            var code = templateOptions.TemplateCode.Trim();
+            var existing = await context.RoleTemplates.FirstOrDefaultAsync(x => x.TemplateCode == code, cancellationToken);
+
+            if (existing == null)
+            {
+                // 2.3 新增模板
+                existing = new DomainRoleTemplate
+                {
+                    TemplateCode = code,
+                    Name = templateOptions.Name.Trim(),
+                    Description = templateOptions.Description,
+                    IsActive = templateOptions.IsActive
+                };
+
+                await context.RoleTemplates.AddAsync(existing, cancellationToken);
+                await context.SaveChangesAsync(cancellationToken);
+            }
+            else
+            {
+                // 2.4 更新模板
+                existing.Name = templateOptions.Name.Trim();
+                existing.Description = templateOptions.Description;
+                existing.IsActive = templateOptions.IsActive;
+                context.RoleTemplates.Update(existing);
+                await context.SaveChangesAsync(cancellationToken);
+            }
+
+            // 2.5 重置模板权限
+            var permissionCodes = NormalizeValues(templateOptions.Permissions);
+            var existingPermissions = await context.RoleTemplatePermissions
+                .Where(x => x.RoleTemplateId == existing.Id)
+                .ToListAsync(cancellationToken);
+            // 2.6 清空旧权限并保存
+            context.RoleTemplatePermissions.RemoveRange(existingPermissions);
+            await context.SaveChangesAsync(cancellationToken);
+            // 2.7 去重后的权限编码
+            var distinctPermissionCodes = permissionCodes.Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
+            foreach (var permissionCode in distinctPermissionCodes)
+            {
+                try
+                {
+                    var alreadyExists = await context.RoleTemplatePermissions.AnyAsync(
+                        x => x.RoleTemplateId == existing.Id && x.PermissionCode == permissionCode,
+                        cancellationToken);
+                    if (alreadyExists)
+                    {
+                        continue;
+                    }
+
+                    await context.RoleTemplatePermissions.AddAsync(new DomainRoleTemplatePermission
+                    {
+                        RoleTemplateId = existing.Id,
+                        PermissionCode = permissionCode
+                    }, cancellationToken);
+
+                    await context.SaveChangesAsync(cancellationToken);
+                }
+                catch (DbUpdateException ex) when (ex.InnerException is PostgresException pg && pg.SqlState == PostgresErrorCodes.UniqueViolation)
+                {
+                    context.ChangeTracker.Clear();
+                }
+            }
+        }
+    }
+
+    private static string[] NormalizeValues(string[]? values)
+        => values == null
+            ? []
+            : [.. values
+                .Where(v => !string.IsNullOrWhiteSpace(v))
+                .Select(v => v.Trim())
+                .Distinct(StringComparer.OrdinalIgnoreCase)];
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs
new file mode 100644
index 0000000..818fe13
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs
@@ -0,0 +1,246 @@
+using MassTransit;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Infrastructure.Common.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// 身份认证 DbContext，带多租户过滤与审计字段处理。
+/// </summary>
+public sealed class IdentityDbContext(
+    DbContextOptions<IdentityDbContext> options,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IIdGenerator? idGenerator = null)
+    : TenantAwareDbContext(options, tenantProvider, currentUserAccessor, idGenerator)
+{
+    /// <summary>
+    /// 管理后台用户集合。
+    /// </summary>
+    public DbSet<IdentityUser> IdentityUsers => Set<IdentityUser>();
+
+    /// <summary>
+    /// 小程序用户集合。
+    /// </summary>
+    public DbSet<MiniUser> MiniUsers => Set<MiniUser>();
+
+    /// <summary>
+    /// 角色集合。
+    /// </summary>
+    public DbSet<Role> Roles => Set<Role>();
+
+    /// <summary>
+    /// 角色模板集合（系统级）。
+    /// </summary>
+    public DbSet<RoleTemplate> RoleTemplates => Set<RoleTemplate>();
+
+    /// <summary>
+    /// 角色模板权限集合。
+    /// </summary>
+    public DbSet<RoleTemplatePermission> RoleTemplatePermissions => Set<RoleTemplatePermission>();
+
+    /// <summary>
+    /// 权限集合。
+    /// </summary>
+    public DbSet<Permission> Permissions => Set<Permission>();
+
+    /// <summary>
+    /// 用户-角色关系。
+    /// </summary>
+    public DbSet<UserRole> UserRoles => Set<UserRole>();
+
+    /// <summary>
+    /// 角色-权限关系。
+    /// </summary>
+    public DbSet<RolePermission> RolePermissions => Set<RolePermission>();
+
+    /// <summary>
+    /// 菜单定义集合。
+    /// </summary>
+    public DbSet<MenuDefinition> MenuDefinitions => Set<MenuDefinition>();
+
+    /// <summary>
+    /// 配置实体模型。
+    /// </summary>
+    /// <param name="modelBuilder">模型构建器。</param>
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+        ConfigureIdentityUser(modelBuilder.Entity<IdentityUser>());
+        ConfigureMiniUser(modelBuilder.Entity<MiniUser>());
+        ConfigureRole(modelBuilder.Entity<Role>());
+        ConfigureRoleTemplate(modelBuilder.Entity<RoleTemplate>());
+        ConfigureRoleTemplatePermission(modelBuilder.Entity<RoleTemplatePermission>());
+        ConfigurePermission(modelBuilder.Entity<Permission>());
+        ConfigureUserRole(modelBuilder.Entity<UserRole>());
+        ConfigureRolePermission(modelBuilder.Entity<RolePermission>());
+        ConfigureMenuDefinition(modelBuilder.Entity<MenuDefinition>());
+        modelBuilder.AddOutboxMessageEntity();
+        modelBuilder.AddOutboxStateEntity();
+        ApplyTenantQueryFilters(modelBuilder);
+    }
+
+    /// <summary>
+    /// 配置管理后台用户实体。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureIdentityUser(EntityTypeBuilder<IdentityUser> builder)
+    {
+        builder.ToTable("identity_users");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Account).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.DisplayName).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.PasswordHash).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Phone).HasMaxLength(32);
+        builder.Property(x => x.Email).HasMaxLength(128);
+        builder.Property(x => x.Status).HasConversion<int>();
+        builder.Property(x => x.FailedLoginCount).IsRequired();
+        builder.Property(x => x.LockedUntil);
+        builder.Property(x => x.LastLoginAt);
+        builder.Property(x => x.MustChangePassword).IsRequired();
+        builder.Property(x => x.Avatar).HasColumnType("text");
+        builder.Ignore(x => x.RowVersion);
+        builder.Property<uint>("xmin")
+            .HasColumnName("xmin")
+            .HasColumnType("xid")
+            .ValueGeneratedOnAddOrUpdate()
+            .IsConcurrencyToken();
+        builder.Property(x => x.TenantId).IsRequired();
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.Account }).IsUnique();
+        builder.HasIndex(x => new { x.TenantId, x.Phone })
+            .IsUnique()
+            .HasFilter("\"Phone\" IS NOT NULL");
+        builder.HasIndex(x => new { x.TenantId, x.Email })
+            .IsUnique()
+            .HasFilter("\"Email\" IS NOT NULL");
+    }
+
+    /// <summary>
+    /// 配置小程序用户实体。
+    /// </summary>
+    /// <param name="builder">实体构建器。</param>
+    private static void ConfigureMiniUser(EntityTypeBuilder<MiniUser> builder)
+    {
+        builder.ToTable("mini_users");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.OpenId).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.UnionId).HasMaxLength(128);
+        builder.Property(x => x.Nickname).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Avatar).HasColumnType("text");
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.OpenId }).IsUnique();
+    }
+
+    private static void ConfigureRole(EntityTypeBuilder<Role> builder)
+    {
+        builder.ToTable("roles");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Code).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(256);
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.Code }).IsUnique();
+    }
+
+    private static void ConfigurePermission(EntityTypeBuilder<Permission> builder)
+    {
+        builder.ToTable("permissions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.ParentId).IsRequired();
+        builder.Property(x => x.SortOrder).IsRequired();
+        builder.Property(x => x.Type).HasMaxLength(16).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Code).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(256);
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex(x => x.Code).IsUnique();
+        builder.HasIndex(x => new { x.Portal, x.ParentId, x.SortOrder });
+    }
+
+    private static void ConfigureRoleTemplate(EntityTypeBuilder<RoleTemplate> builder)
+    {
+        builder.ToTable("role_templates");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TemplateCode).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(256);
+        builder.Property(x => x.IsActive).IsRequired();
+        ConfigureAuditableEntity(builder);
+        builder.HasIndex(x => x.TemplateCode).IsUnique();
+    }
+
+    private static void ConfigureRoleTemplatePermission(EntityTypeBuilder<RoleTemplatePermission> builder)
+    {
+        builder.ToTable("role_template_permissions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.RoleTemplateId).IsRequired();
+        builder.Property(x => x.PermissionCode).HasMaxLength(128).IsRequired();
+        ConfigureAuditableEntity(builder);
+        builder.HasIndex(x => new { x.RoleTemplateId, x.PermissionCode }).IsUnique();
+    }
+
+    private static void ConfigureUserRole(EntityTypeBuilder<UserRole> builder)
+    {
+        builder.ToTable("user_roles");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.UserId).IsRequired();
+        builder.Property(x => x.RoleId).IsRequired();
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.UserId, x.RoleId }).IsUnique();
+    }
+
+    private static void ConfigureRolePermission(EntityTypeBuilder<RolePermission> builder)
+    {
+        builder.ToTable("role_permissions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.RoleId).IsRequired();
+        builder.Property(x => x.PermissionId).IsRequired();
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex(x => x.TenantId);
+        builder.HasIndex(x => new { x.TenantId, x.RoleId, x.PermissionId }).IsUnique();
+    }
+
+    private static void ConfigureMenuDefinition(EntityTypeBuilder<MenuDefinition> builder)
+    {
+        builder.ToTable("menu_definitions");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.Portal).HasConversion<int>().IsRequired();
+        builder.Property(x => x.ParentId).IsRequired();
+        builder.Property(x => x.Name).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.Path).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Component).HasMaxLength(256).IsRequired();
+        builder.Property(x => x.Title).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Icon).HasMaxLength(64);
+        builder.Property(x => x.Link).HasMaxLength(512);
+        builder.Property(x => x.SortOrder).IsRequired();
+        builder.Property(x => x.RequiredPermissions).HasMaxLength(1024);
+        builder.Property(x => x.MetaPermissions).HasMaxLength(1024);
+        builder.Property(x => x.MetaRoles).HasMaxLength(1024);
+        builder.Property(x => x.AuthListJson).HasColumnType("text");
+        ConfigureAuditableEntity(builder);
+        ConfigureSoftDeleteEntity(builder);
+        builder.HasIndex(x => new { x.Portal, x.ParentId, x.SortOrder });
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDesignTimeDbContextFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDesignTimeDbContextFactory.cs
new file mode 100644
index 0000000..926cba6
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDesignTimeDbContextFactory.cs
@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Infrastructure.Common.Persistence.DesignTime;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+/// <summary>
+/// 设计时 IdentityDbContext 工厂，供 EF Core CLI 生成迁移使用。
+/// </summary>
+internal sealed class IdentityDesignTimeDbContextFactory
+    : DesignTimeDbContextFactoryBase<IdentityDbContext>
+{
+    /// <summary>
+    /// 初始化 Identity 设计时上下文工厂。
+    /// </summary>
+    public IdentityDesignTimeDbContextFactory()
+        : base(DatabaseConstants.IdentityDataSource, "TAKEOUTSAAS_IDENTITY_CONNECTION")
+    {
+    }
+    // 创建设计时上下文实例
+    /// <summary>
+    /// 创建设计时的 IdentityDbContext。
+    /// </summary>
+    /// <param name="options">DbContext 配置。</param>
+    /// <param name="tenantProvider">租户提供器。</param>
+    /// <param name="currentUserAccessor">当前用户访问器。</param>
+    /// <returns>IdentityDbContext 实例。</returns>
+    protected override IdentityDbContext CreateContext(
+        DbContextOptions<IdentityDbContext> options,
+        ITenantProvider tenantProvider,
+        ICurrentUserAccessor currentUserAccessor)
+        => new(options, tenantProvider, currentUserAccessor);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Repositories/EfMenuRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Repositories/EfMenuRepository.cs
new file mode 100644
index 0000000..5173e3c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Repositories/EfMenuRepository.cs
@@ -0,0 +1,72 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Repositories;
+
+/// <summary>
+/// 菜单仓储 EF 实现。
+/// </summary>
+public sealed class EfMenuRepository(IdentityDbContext dbContext) : IMenuRepository
+{
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<MenuDefinition>> GetByPortalAsync(PortalType portal, CancellationToken cancellationToken = default)
+    {
+        // 1. 按门户类型查询菜单（忽略租户过滤器）
+        var menus = await dbContext.MenuDefinitions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .Where(x => x.Portal == portal && x.DeletedAt == null)
+            .OrderBy(x => x.ParentId)
+            .ThenBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken);
+
+        return menus;
+    }
+
+    /// <inheritdoc />
+    public async Task<MenuDefinition?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
+    {
+        // 1. 按 ID 查询菜单（忽略租户过滤器）
+        return await dbContext.MenuDefinitions
+            .IgnoreQueryFilters()
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == id && x.DeletedAt == null, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(MenuDefinition menu, CancellationToken cancellationToken = default)
+    {
+        return dbContext.MenuDefinitions.AddAsync(menu, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(MenuDefinition menu, CancellationToken cancellationToken = default)
+    {
+        dbContext.MenuDefinitions.Update(menu);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteAsync(long id, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询目标（忽略租户过滤器）
+        var entity = await dbContext.MenuDefinitions
+            .IgnoreQueryFilters()
+            .FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+
+        // 2. 存在则删除
+        if (entity is not null)
+        {
+            dbContext.MenuDefinitions.Remove(entity);
+        }
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return dbContext.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs
new file mode 100644
index 0000000..71c3080
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs
@@ -0,0 +1,95 @@
+using Microsoft.Extensions.Options;
+using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Contracts;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Services;
+
+/// <summary>
+/// JWT 令牌生成器。
+/// </summary>
+public sealed class JwtTokenService(IRefreshTokenStore refreshTokenStore, IOptions<JwtOptions> options) : IJwtTokenService
+{
+    private readonly JwtSecurityTokenHandler _tokenHandler = new();
+    private readonly JwtOptions _options = options.Value;
+
+    /// <summary>
+    /// 创建访问令牌和刷新令牌对。
+    /// </summary>
+    /// <param name="profile">用户档案</param>
+    /// <param name="isNewUser">是否为新用户（首次登录）</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>令牌响应</returns>
+    public async Task<TokenResponse> CreateTokensAsync(CurrentUserProfile profile, bool isNewUser = false, CancellationToken cancellationToken = default)
+    {
+        var now = DateTime.UtcNow;
+        var accessExpires = now.AddMinutes(_options.AccessTokenExpirationMinutes);
+        var refreshExpires = now.AddMinutes(_options.RefreshTokenExpirationMinutes);
+
+        // 1. 构建 JWT Claims（包含用户 ID、账号、租户 ID、商户 ID、角色、权限等）
+        var claims = BuildClaims(profile);
+
+        // 2. 创建签名凭据（使用 HMAC SHA256 算法）
+        var signingCredentials = new SigningCredentials(
+            new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_options.Secret)),
+            SecurityAlgorithms.HmacSha256);
+
+        // 3. 创建 JWT 安全令牌
+        var jwt = new JwtSecurityToken(
+            issuer: _options.Issuer,
+            audience: _options.Audience,
+            claims: claims,
+            notBefore: now,
+            expires: accessExpires,
+            signingCredentials: signingCredentials);
+
+        // 4. 序列化 JWT 为字符串
+        var accessToken = _tokenHandler.WriteToken(jwt);
+
+        // 5. 生成刷新令牌并存储到 Redis
+        var refreshDescriptor = await refreshTokenStore.IssueAsync(profile.UserId, refreshExpires, cancellationToken);
+
+        return new TokenResponse
+        {
+            AccessToken = accessToken,
+            AccessTokenExpiresAt = accessExpires,
+            RefreshToken = refreshDescriptor.Token,
+            RefreshTokenExpiresAt = refreshDescriptor.ExpiresAt,
+            User = profile,
+            IsNewUser = isNewUser
+        };
+    }
+
+    /// <summary>
+    /// 构建 JWT Claims：将用户档案转换为 Claims 集合。
+    /// </summary>
+    /// <param name="profile">用户档案</param>
+    /// <returns>Claims 集合</returns>
+    private static List<Claim> BuildClaims(CurrentUserProfile profile)
+    {
+        var userId = profile.UserId.ToString();
+        var claims = new List<Claim>
+        {
+            new(JwtRegisteredClaimNames.Sub, userId),
+            new(ClaimTypes.NameIdentifier, userId),
+            new(JwtRegisteredClaimNames.UniqueName, profile.Account),
+            new("tenant_id", profile.TenantId.ToString()),
+            new(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString())
+        };
+
+        if (profile.MerchantId.HasValue)
+        {
+            claims.Add(new Claim("merchant_id", profile.MerchantId.Value.ToString()));
+        }
+
+        claims.AddRange(profile.Roles.Select(role => new Claim(ClaimTypes.Role, role)));
+
+        claims.AddRange(profile.Permissions.Select(permission => new Claim("permission", permission)));
+
+        return claims;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisAdminPasswordResetTokenStore.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisAdminPasswordResetTokenStore.cs
new file mode 100644
index 0000000..fad8217
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisAdminPasswordResetTokenStore.cs
@@ -0,0 +1,66 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Services;
+
+/// <summary>
+/// Redis 管理后台重置密码链接令牌存储。
+/// </summary>
+public sealed class RedisAdminPasswordResetTokenStore(
+    IDistributedCache cache,
+    IOptions<AdminPasswordResetOptions> options)
+    : IAdminPasswordResetTokenStore
+{
+    private readonly AdminPasswordResetOptions _options = options.Value;
+
+    /// <inheritdoc />
+    public async Task<string> IssueAsync(long userId, DateTime expiresAt, CancellationToken cancellationToken = default)
+    {
+        // 1. 生成 URL 安全的随机令牌
+        var token = GenerateUrlSafeToken(48);
+
+        // 2. 写入缓存（Value：userId）
+        await cache.SetStringAsync(BuildKey(token), userId.ToString(), new DistributedCacheEntryOptions
+        {
+            AbsoluteExpiration = expiresAt
+        }, cancellationToken);
+
+        // 3. 返回令牌
+        return token;
+    }
+
+    /// <inheritdoc />
+    public async Task<long?> ConsumeAsync(string token, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取缓存
+        var key = BuildKey(token);
+        var value = await cache.GetStringAsync(key, cancellationToken);
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return null;
+        }
+
+        // 2. 删除缓存（一次性令牌）
+        await cache.RemoveAsync(key, cancellationToken);
+
+        // 3. 解析用户 ID
+        return long.TryParse(value, out var userId) ? userId : null;
+    }
+
+    private string BuildKey(string token) => $"{_options.Prefix}{token}";
+
+    private static string GenerateUrlSafeToken(int bytesLength)
+    {
+        var bytes = RandomNumberGenerator.GetBytes(bytesLength);
+        var token = Convert.ToBase64String(bytes);
+
+        return token
+            .Replace('+', '-')
+            .Replace('/', '_')
+            .TrimEnd('=');
+    }
+}
+
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs
new file mode 100644
index 0000000..94491e0
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs
@@ -0,0 +1,56 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Services;
+
+/// <summary>
+/// Redis 登录限流实现。
+/// </summary>
+public sealed class RedisLoginRateLimiter(IDistributedCache cache, IOptions<LoginRateLimitOptions> options) : ILoginRateLimiter
+{
+    private readonly LoginRateLimitOptions _options = options.Value;
+
+    /// <summary>
+    /// 校验指定键的登录尝试次数，超限将抛出业务异常。
+    /// </summary>
+    /// <param name="key">限流键（如账号或 IP）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task EnsureAllowedAsync(string key, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取当前计数
+        var cacheKey = BuildKey(key);
+        var current = await cache.GetStringAsync(cacheKey, cancellationToken);
+        var count = string.IsNullOrWhiteSpace(current) ? 0 : int.Parse(current);
+        if (count >= _options.MaxAttempts)
+        {
+            throw new BusinessException(ErrorCodes.Forbidden, "尝试次数过多，请稍后再试");
+        }
+
+        // 2. 累加计数并回写缓存
+        count++;
+        await cache.SetStringAsync(
+            cacheKey,
+            count.ToString(),
+            new DistributedCacheEntryOptions
+            {
+                AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(_options.WindowSeconds)
+            },
+            cancellationToken);
+    }
+
+    /// <summary>
+    /// 重置指定键的登录计数。
+    /// </summary>
+    /// <param name="key">限流键（如账号或 IP）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public Task ResetAsync(string key, CancellationToken cancellationToken = default)
+        => cache.RemoveAsync(BuildKey(key), cancellationToken);
+
+    private static string BuildKey(string key) => $"identity:login:{key}";
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs
new file mode 100644
index 0000000..a1970c6
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs
@@ -0,0 +1,77 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using System.Text.Json;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Models;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Services;
+
+/// <summary>
+/// Redis 刷新令牌存储。
+/// </summary>
+public sealed class RedisRefreshTokenStore(IDistributedCache cache, IOptions<RefreshTokenStoreOptions> options) : IRefreshTokenStore
+{
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
+    private readonly RefreshTokenStoreOptions _options = options.Value;
+
+    /// <summary>
+    /// 签发刷新令牌并写入缓存。
+    /// </summary>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="expiresAt">过期时间。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>刷新令牌描述。</returns>
+    public async Task<RefreshTokenDescriptor> IssueAsync(long userId, DateTime expiresAt, CancellationToken cancellationToken = default)
+    {
+        // 1. 生成随机令牌
+        var token = Convert.ToBase64String(RandomNumberGenerator.GetBytes(48));
+        var descriptor = new RefreshTokenDescriptor(token, userId, expiresAt, false);
+
+        // 2. 写入缓存
+        var key = BuildKey(token);
+        var entryOptions = new DistributedCacheEntryOptions { AbsoluteExpiration = expiresAt };
+        await cache.SetStringAsync(key, JsonSerializer.Serialize(descriptor, JsonOptions), entryOptions, cancellationToken);
+
+        return descriptor;
+    }
+
+    /// <summary>
+    /// 获取刷新令牌描述。
+    /// </summary>
+    /// <param name="refreshToken">刷新令牌值。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>刷新令牌描述或 null。</returns>
+    public async Task<RefreshTokenDescriptor?> GetAsync(string refreshToken, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取缓存
+        var json = await cache.GetStringAsync(BuildKey(refreshToken), cancellationToken);
+        return string.IsNullOrWhiteSpace(json)
+            ? null
+            : JsonSerializer.Deserialize<RefreshTokenDescriptor>(json, JsonOptions);
+    }
+
+    /// <summary>
+    /// 吊销刷新令牌。
+    /// </summary>
+    /// <param name="refreshToken">刷新令牌值。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
+    public async Task RevokeAsync(string refreshToken, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取令牌
+        var descriptor = await GetAsync(refreshToken, cancellationToken);
+        if (descriptor == null)
+        {
+            return;
+        }
+
+        // 2. 标记吊销并回写缓存
+        var updated = descriptor with { Revoked = true };
+        var entryOptions = new DistributedCacheEntryOptions { AbsoluteExpiration = updated.ExpiresAt };
+        await cache.SetStringAsync(BuildKey(refreshToken), JsonSerializer.Serialize(updated, JsonOptions), entryOptions, cancellationToken);
+    }
+
+    private string BuildKey(string token) => $"{_options.Prefix}{token}";
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs
new file mode 100644
index 0000000..272ffc9
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs
@@ -0,0 +1,79 @@
+using Microsoft.Extensions.Options;
+using System.Net.Http.Json;
+using System.Text.Json.Serialization;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Infrastructure.Identity.Options;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Services;
+
+/// <summary>
+/// 微信 code2Session 实现
+/// </summary>
+public sealed class WeChatAuthService(HttpClient httpClient, IOptions<WeChatMiniOptions> options) : IWeChatAuthService
+{
+    private readonly WeChatMiniOptions _options = options.Value;
+
+    /// <summary>
+    /// 调用微信接口完成 code2Session。
+    /// </summary>
+    /// <param name="code">临时登录凭证 code。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>微信会话信息。</returns>
+    public async Task<WeChatSessionInfo> Code2SessionAsync(string code, CancellationToken cancellationToken = default)
+    {
+        // 1. 拼装请求地址
+        var requestUri = $"sns/jscode2session?appid={Uri.EscapeDataString(_options.AppId)}&secret={Uri.EscapeDataString(_options.Secret)}&js_code={Uri.EscapeDataString(code)}&grant_type=authorization_code";
+        using var response = await httpClient.GetAsync(requestUri, cancellationToken);
+        response.EnsureSuccessStatusCode();
+
+        // 2. 读取响应
+        var payload = await response.Content.ReadFromJsonAsync<WeChatSessionResponse>(cancellationToken: cancellationToken);
+        if (payload == null)
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "微信登录失败：响应为空");
+        }
+
+        // 3. 校验错误码
+        if (payload.ErrorCode.HasValue && payload.ErrorCode.Value != 0)
+        {
+            var message = string.IsNullOrWhiteSpace(payload.ErrorMessage)
+                ? $"微信登录失败，错误码：{payload.ErrorCode}"
+                : payload.ErrorMessage;
+            throw new BusinessException(ErrorCodes.Unauthorized, message);
+        }
+
+        // 4. 校验必要字段
+        if (string.IsNullOrWhiteSpace(payload.OpenId) || string.IsNullOrWhiteSpace(payload.SessionKey))
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "微信登录失败：返回数据无效");
+        }
+
+        // 5. 组装会话信息
+        return new WeChatSessionInfo
+        {
+            OpenId = payload.OpenId,
+            UnionId = payload.UnionId,
+            SessionKey = payload.SessionKey
+        };
+    }
+
+    private sealed class WeChatSessionResponse
+    {
+        [JsonPropertyName("openid")]
+        public string? OpenId { get; set; }
+
+        [JsonPropertyName("unionid")]
+        public string? UnionId { get; set; }
+
+        [JsonPropertyName("session_key")]
+        public string? SessionKey { get; set; }
+
+        [JsonPropertyName("errcode")]
+        public int? ErrorCode { get; set; }
+
+        [JsonPropertyName("errmsg")]
+        public string? ErrorMessage { get; set; }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Consumers/IdentityUserOperationLogConsumer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Consumers/IdentityUserOperationLogConsumer.cs
new file mode 100644
index 0000000..0d92d0b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Consumers/IdentityUserOperationLogConsumer.cs
@@ -0,0 +1,72 @@
+using MassTransit;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using TakeoutSaaS.Application.Identity.Events;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Consumers;
+
+/// <summary>
+/// 身份用户操作日志消费者。
+/// </summary>
+public sealed class IdentityUserOperationLogConsumer(TakeoutLogsDbContext logsContext) : IConsumer<IdentityUserOperationLogMessage>
+{
+    /// <inheritdoc />
+    public async Task Consume(ConsumeContext<IdentityUserOperationLogMessage> context)
+    {
+        // 1. 校验消息标识并进行幂等检查
+        var messageId = context.MessageId;
+        if (!messageId.HasValue)
+        {
+            throw new InvalidOperationException("缺少 MessageId，无法进行日志幂等处理。");
+        }
+
+        var exists = await logsContext.OperationLogInboxMessages
+            .AsNoTracking()
+            .AnyAsync(x => x.MessageId == messageId.Value, context.CancellationToken);
+        if (exists)
+        {
+            return;
+        }
+
+        // 2. 构建日志实体与去重记录
+        var message = context.Message;
+        var log = new OperationLog
+        {
+            OperationType = message.OperationType,
+            TargetType = message.TargetType,
+            TargetIds = message.TargetIds,
+            OperatorId = message.OperatorId,
+            OperatorName = message.OperatorName,
+            Parameters = message.Parameters,
+            Result = message.Result,
+            Success = message.Success
+        };
+        logsContext.OperationLogInboxMessages.Add(new OperationLogInboxMessage
+        {
+            MessageId = messageId.Value,
+            ConsumedAt = DateTime.UtcNow
+        });
+        logsContext.OperationLogs.Add(log);
+
+        // 3. 保存并处理并发去重冲突
+        try
+        {
+            await logsContext.SaveChangesAsync(context.CancellationToken);
+        }
+        catch (DbUpdateException ex) when (IsDuplicateMessage(ex))
+        {
+            return;
+        }
+    }
+
+    private static bool IsDuplicateMessage(DbUpdateException exception)
+    {
+        if (exception.InnerException is PostgresException postgresException)
+        {
+            return postgresException.SqlState == PostgresErrorCodes.UniqueViolation;
+        }
+        return false;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Extensions/OperationLogOutboxServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Extensions/OperationLogOutboxServiceCollectionExtensions.cs
new file mode 100644
index 0000000..33b452d
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Extensions/OperationLogOutboxServiceCollectionExtensions.cs
@@ -0,0 +1,56 @@
+using MassTransit;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+using TakeoutSaaS.Infrastructure.Logs.Consumers;
+using TakeoutSaaS.Module.Messaging.Options;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Extensions;
+
+/// <summary>
+/// 操作日志 Outbox 注册扩展。
+/// </summary>
+public static class OperationLogOutboxServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册操作日志 Outbox 与消费者。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <param name="configuration">配置源。</param>
+    /// <returns>服务集合。</returns>
+    public static IServiceCollection AddOperationLogOutbox(this IServiceCollection services, IConfiguration configuration)
+    {
+        // 1. 读取 RabbitMQ 配置
+        var options = configuration.GetSection("RabbitMQ").Get<RabbitMqOptions>();
+        if (options == null)
+        {
+            throw new InvalidOperationException("缺少 RabbitMQ 配置。");
+        }
+
+        // 2. 注册 MassTransit 与 Outbox
+        services.AddMassTransit(configurator =>
+        {
+            configurator.AddConsumer<IdentityUserOperationLogConsumer>();
+            configurator.AddEntityFrameworkOutbox<IdentityDbContext>(outbox =>
+            {
+                outbox.UsePostgres();
+                outbox.UseBusOutbox();
+            });
+            configurator.UsingRabbitMq((context, cfg) =>
+            {
+                var virtualHost = string.IsNullOrWhiteSpace(options.VirtualHost) ? "/" : options.VirtualHost.Trim();
+                var virtualHostPath = virtualHost == "/" ? "/" : $"/{virtualHost.TrimStart('/')}";
+                var hostUri = new Uri($"rabbitmq://{options.Host}:{options.Port}{virtualHostPath}");
+                cfg.Host(hostUri, host =>
+                {
+                    host.Username(options.Username);
+                    host.Password(options.Password);
+                });
+                cfg.PrefetchCount = options.PrefetchCount;
+                cfg.ConfigureEndpoints(context);
+            });
+        });
+        // 3. 返回服务集合
+        return services;
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/OperationLogInboxMessage.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/OperationLogInboxMessage.cs
new file mode 100644
index 0000000..8246ced
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/OperationLogInboxMessage.cs
@@ -0,0 +1,19 @@
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+/// <summary>
+/// 操作日志消息消费去重记录。
+/// </summary>
+public sealed class OperationLogInboxMessage : EntityBase
+{
+    /// <summary>
+    /// 消息唯一标识。
+    /// </summary>
+    public Guid MessageId { get; set; }
+
+    /// <summary>
+    /// 消费时间（UTC）。
+    /// </summary>
+    public DateTime ConsumedAt { get; set; }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDbContext.cs
new file mode 100644
index 0000000..570c019
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDbContext.cs
@@ -0,0 +1,143 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using TakeoutSaaS.Domain.Membership.Entities;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Infrastructure.Common.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+/// <summary>
+/// 日志库 DbContext。
+/// </summary>
+public sealed class TakeoutLogsDbContext(
+    DbContextOptions<TakeoutLogsDbContext> options,
+    ITenantProvider tenantProvider,
+    ICurrentUserAccessor? currentUserAccessor = null,
+    IIdGenerator? idGenerator = null)
+    : TenantAwareDbContext(options, tenantProvider, currentUserAccessor, idGenerator)
+{
+    /// <summary>
+    /// 租户审计日志集合。
+    /// </summary>
+    public DbSet<TenantAuditLog> TenantAuditLogs => Set<TenantAuditLog>();
+
+    /// <summary>
+    /// 商户审计日志集合。
+    /// </summary>
+    public DbSet<MerchantAuditLog> MerchantAuditLogs => Set<MerchantAuditLog>();
+
+    /// <summary>
+    /// 商户变更日志集合。
+    /// </summary>
+    public DbSet<MerchantChangeLog> MerchantChangeLogs => Set<MerchantChangeLog>();
+
+    /// <summary>
+    /// 运营操作日志集合。
+    /// </summary>
+    public DbSet<OperationLog> OperationLogs => Set<OperationLog>();
+
+    /// <summary>
+    /// 操作日志消息去重集合。
+    /// </summary>
+    public DbSet<OperationLogInboxMessage> OperationLogInboxMessages => Set<OperationLogInboxMessage>();
+
+    /// <summary>
+    /// 成长值日志集合。
+    /// </summary>
+    public DbSet<MemberGrowthLog> MemberGrowthLogs => Set<MemberGrowthLog>();
+
+    /// <summary>
+    /// 配置实体模型。
+    /// </summary>
+    /// <param name="modelBuilder">模型构建器。</param>
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+        ConfigureTenantAuditLog(modelBuilder.Entity<TenantAuditLog>());
+        ConfigureMerchantAuditLog(modelBuilder.Entity<MerchantAuditLog>());
+        ConfigureMerchantChangeLog(modelBuilder.Entity<MerchantChangeLog>());
+        ConfigureOperationLog(modelBuilder.Entity<OperationLog>());
+        ConfigureOperationLogInboxMessage(modelBuilder.Entity<OperationLogInboxMessage>());
+        ConfigureMemberGrowthLog(modelBuilder.Entity<MemberGrowthLog>());
+        ApplyTenantQueryFilters(modelBuilder);
+    }
+
+    private static void ConfigureTenantAuditLog(EntityTypeBuilder<TenantAuditLog> builder)
+    {
+        builder.ToTable("tenant_audit_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.TenantId).IsRequired();
+        builder.Property(x => x.Title).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(1024);
+        builder.Property(x => x.OperatorName).HasMaxLength(64);
+        builder.HasIndex(x => x.TenantId);
+    }
+
+    private static void ConfigureMerchantAuditLog(EntityTypeBuilder<MerchantAuditLog> builder)
+    {
+        builder.ToTable("merchant_audit_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MerchantId).IsRequired();
+        builder.Property(x => x.Action).HasConversion<int>().IsRequired();
+        builder.Property(x => x.Title).HasMaxLength(200).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(1024);
+        builder.Property(x => x.OperatorName).HasMaxLength(100);
+        builder.Property(x => x.IpAddress).HasMaxLength(50);
+        builder.HasIndex(x => new { x.TenantId, x.MerchantId });
+        builder.HasIndex(x => new { x.MerchantId, x.CreatedAt });
+        builder.HasIndex(x => new { x.TenantId, x.CreatedAt });
+    }
+
+    private static void ConfigureMerchantChangeLog(EntityTypeBuilder<MerchantChangeLog> builder)
+    {
+        builder.ToTable("merchant_change_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MerchantId).IsRequired();
+        builder.Property(x => x.FieldName).HasMaxLength(100).IsRequired();
+        builder.Property(x => x.OldValue).HasColumnType("text");
+        builder.Property(x => x.NewValue).HasColumnType("text");
+        builder.Property(x => x.ChangeType).HasMaxLength(20).IsRequired();
+        builder.Property(x => x.ChangedByName).HasMaxLength(100);
+        builder.Property(x => x.ChangeReason).HasMaxLength(512);
+        builder.HasIndex(x => new { x.MerchantId, x.CreatedAt });
+        builder.HasIndex(x => new { x.TenantId, x.CreatedAt });
+    }
+
+    private static void ConfigureOperationLog(EntityTypeBuilder<OperationLog> builder)
+    {
+        builder.ToTable("operation_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.OperationType).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.TargetType).HasMaxLength(64).IsRequired();
+        builder.Property(x => x.TargetIds).HasColumnType("text");
+        builder.Property(x => x.OperatorId).HasMaxLength(64);
+        builder.Property(x => x.OperatorName).HasMaxLength(128);
+        builder.Property(x => x.Parameters).HasColumnType("text");
+        builder.Property(x => x.Result).HasColumnType("text");
+        builder.Property(x => x.Success).IsRequired();
+        builder.HasIndex(x => new { x.OperationType, x.CreatedAt });
+        builder.HasIndex(x => x.CreatedAt);
+    }
+
+    private static void ConfigureOperationLogInboxMessage(EntityTypeBuilder<OperationLogInboxMessage> builder)
+    {
+        builder.ToTable("operation_log_inbox_messages");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MessageId).IsRequired();
+        builder.Property(x => x.ConsumedAt).IsRequired();
+        builder.HasIndex(x => x.MessageId).IsUnique();
+    }
+
+    private static void ConfigureMemberGrowthLog(EntityTypeBuilder<MemberGrowthLog> builder)
+    {
+        builder.ToTable("member_growth_logs");
+        builder.HasKey(x => x.Id);
+        builder.Property(x => x.MemberId).IsRequired();
+        builder.Property(x => x.Notes).HasMaxLength(256);
+        builder.HasIndex(x => new { x.TenantId, x.MemberId, x.OccurredAt });
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDesignTimeDbContextFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDesignTimeDbContextFactory.cs
new file mode 100644
index 0000000..5184dcf
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDesignTimeDbContextFactory.cs
@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Infrastructure.Common.Persistence.DesignTime;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Security;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+/// <summary>
+/// 日志库设计时工厂，供 EF CLI 使用。
+/// </summary>
+internal sealed class TakeoutLogsDesignTimeDbContextFactory
+    : DesignTimeDbContextFactoryBase<TakeoutLogsDbContext>
+{
+    /// <summary>
+    /// 初始化日志库设计时上下文工厂。
+    /// </summary>
+    public TakeoutLogsDesignTimeDbContextFactory()
+        : base(DatabaseConstants.LogsDataSource, "TAKEOUTSAAS_LOGS_CONNECTION")
+    {
+    }
+
+    /// <summary>
+    /// 创建日志库 DbContext。
+    /// </summary>
+    /// <param name="options">上下文选项。</param>
+    /// <param name="tenantProvider">租户提供器。</param>
+    /// <param name="currentUserAccessor">当前用户访问器。</param>
+    /// <returns>日志库上下文实例。</returns>
+    protected override TakeoutLogsDbContext CreateContext(
+        DbContextOptions<TakeoutLogsDbContext> options,
+        ITenantProvider tenantProvider,
+        ICurrentUserAccessor currentUserAccessor)
+        => new(options, tenantProvider, currentUserAccessor);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Publishers/IdentityOperationLogPublisher.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Publishers/IdentityOperationLogPublisher.cs
new file mode 100644
index 0000000..918f5a9
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Publishers/IdentityOperationLogPublisher.cs
@@ -0,0 +1,27 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.Identity.Abstractions;
+using TakeoutSaaS.Application.Identity.Events;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Publishers;
+
+/// <summary>
+/// 身份模块操作日志发布器（基于 MassTransit Outbox）。
+/// </summary>
+public sealed class IdentityOperationLogPublisher(
+    ILogger<IdentityOperationLogPublisher> logger,
+    IPublishEndpoint? publishEndpoint = null) : IIdentityOperationLogPublisher
+{
+    /// <inheritdoc />
+    public Task PublishAsync(IdentityUserOperationLogMessage message, CancellationToken cancellationToken = default)
+    {
+        if (publishEndpoint is null)
+        {
+            logger.LogDebug("未配置 MassTransit，已跳过操作日志消息发布：{OperationType}", message.OperationType);
+            return Task.CompletedTask;
+        }
+
+        // 1. (空行后) 已配置 MassTransit 时正常发布消息
+        return publishEndpoint.Publish(message, cancellationToken);
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Repositories/EfOperationLogRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Repositories/EfOperationLogRepository.cs
new file mode 100644
index 0000000..80b5643
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Repositories/EfOperationLogRepository.cs
@@ -0,0 +1,63 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Logs.Repositories;
+
+/// <summary>
+/// 运营操作日志仓储实现。
+/// </summary>
+public sealed class EfOperationLogRepository(TakeoutLogsDbContext logsContext) : IOperationLogRepository
+{
+    /// <inheritdoc />
+    public async Task<(IReadOnlyList<OperationLog> Items, int Total)> SearchByOperatorPagedAsync(
+        long tenantId,
+        string operatorId,
+        DateTime from,
+        DateTime to,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 归一化参数
+        var normalizedOperatorId = operatorId.Trim();
+        var normalizedPage = page <= 0 ? 1 : page;
+        var normalizedPageSize = pageSize <= 0 ? 50 : pageSize;
+
+        // 2. 构建查询（操作人 + 时间窗 + 租户约束）
+        var query = logsContext.OperationLogs
+            .AsNoTracking()
+            .Where(x => x.DeletedAt == null
+                        && x.OperatorId == normalizedOperatorId
+                        && x.CreatedAt >= from
+                        && x.CreatedAt <= to
+                        && x.Parameters != null
+                        && (EF.Functions.ILike(x.Parameters, $"%\"tenantId\":{tenantId}%")
+                            || EF.Functions.ILike(x.Parameters, $"%\"TenantId\":{tenantId}%")));
+
+        // 3. 查询总数与分页项
+        var total = await query.CountAsync(cancellationToken);
+        var items = await query
+            .OrderByDescending(x => x.CreatedAt)
+            .Skip((normalizedPage - 1) * normalizedPageSize)
+            .Take(normalizedPageSize)
+            .ToListAsync(cancellationToken);
+
+        // 4. 返回分页结果
+        return (items, total);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(OperationLog log, CancellationToken cancellationToken = default)
+    {
+        // 1. 添加日志实体
+        logsContext.OperationLogs.Add(log);
+        // 2. 返回完成任务
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+        => logsContext.SaveChangesAsync(cancellationToken);
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.Designer.cs
new file mode 100644
index 0000000..84faa52
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.Designer.cs
@@ -0,0 +1,5799 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251202005208_InitSnowflake_App")]
+    partial class InitSnowflake_App
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍可售卖。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs
new file mode 100644
index 0000000..6e26a56
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs
@@ -0,0 +1,2549 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitSnowflake_App : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "affiliate_orders",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AffiliatePartnerId = table.Column<long>(type: "bigint", nullable: false, comment: "推广人标识。"),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "关联订单。"),
+                    BuyerUserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户 ID。"),
+                    OrderAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "订单金额。"),
+                    EstimatedCommission = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "预计佣金。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "当前状态。"),
+                    SettledAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "结算完成时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_affiliate_orders", x => x.Id);
+                },
+                comment: "分销订单记录。");
+
+            migrationBuilder.CreateTable(
+                name: "affiliate_partners",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<long>(type: "bigint", nullable: true, comment: "用户 ID（如绑定平台账号）。"),
+                    DisplayName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "昵称或渠道名称。"),
+                    Phone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "联系电话。"),
+                    ChannelType = table.Column<int>(type: "integer", nullable: false, comment: "渠道类型。"),
+                    CommissionRate = table.Column<decimal>(type: "numeric", nullable: false, comment: "分成比例（0-1）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "当前状态。"),
+                    Remarks = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "审核备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_affiliate_partners", x => x.Id);
+                },
+                comment: "分销/推广合作伙伴。");
+
+            migrationBuilder.CreateTable(
+                name: "affiliate_payouts",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AffiliatePartnerId = table.Column<long>(type: "bigint", nullable: false, comment: "合作伙伴标识。"),
+                    Period = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "结算周期描述。"),
+                    Amount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "结算金额。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    PaidAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "打款时间。"),
+                    Remarks = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_affiliate_payouts", x => x.Id);
+                },
+                comment: "佣金结算记录。");
+
+            migrationBuilder.CreateTable(
+                name: "cart_item_addons",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CartItemId = table.Column<long>(type: "bigint", nullable: false, comment: "所属购物车条目。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "选项名称。"),
+                    ExtraPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "附加价格。"),
+                    OptionId = table.Column<long>(type: "bigint", nullable: true, comment: "选项 ID（可对应 ProductAddonOption）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_cart_item_addons", x => x.Id);
+                },
+                comment: "购物车条目的加料/附加项。");
+
+            migrationBuilder.CreateTable(
+                name: "cart_items",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ShoppingCartId = table.Column<long>(type: "bigint", nullable: false, comment: "所属购物车标识。"),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "商品或 SKU 标识。"),
+                    ProductSkuId = table.Column<long>(type: "bigint", nullable: true, comment: "SKU 标识。"),
+                    ProductName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "商品名称快照。"),
+                    UnitPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "单价快照。"),
+                    Quantity = table.Column<int>(type: "integer", nullable: false, comment: "数量。"),
+                    Remark = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "自定义备注（口味要求）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    AttributesJson = table.Column<string>(type: "text", nullable: true, comment: "扩展 JSON（规格、加料选项等）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_cart_items", x => x.Id);
+                },
+                comment: "购物车条目。");
+
+            migrationBuilder.CreateTable(
+                name: "chat_messages",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ChatSessionId = table.Column<long>(type: "bigint", nullable: false, comment: "会话标识。"),
+                    SenderType = table.Column<int>(type: "integer", nullable: false, comment: "发送方类型。"),
+                    SenderUserId = table.Column<long>(type: "bigint", nullable: true, comment: "发送方用户 ID。"),
+                    Content = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false, comment: "消息内容。"),
+                    ContentType = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "消息类型（文字/图片/语音等）。"),
+                    IsRead = table.Column<bool>(type: "boolean", nullable: false, comment: "是否已读。"),
+                    ReadAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "读取时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_chat_messages", x => x.Id);
+                },
+                comment: "会话消息。");
+
+            migrationBuilder.CreateTable(
+                name: "chat_sessions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    SessionCode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "会话编号。"),
+                    CustomerUserId = table.Column<long>(type: "bigint", nullable: false, comment: "顾客用户 ID。"),
+                    AgentUserId = table.Column<long>(type: "bigint", nullable: true, comment: "当前客服员工 ID。"),
+                    StoreId = table.Column<long>(type: "bigint", nullable: true, comment: "所属门店（可空为平台）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "会话状态。"),
+                    IsBotActive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否机器人接待中。"),
+                    StartedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "开始时间。"),
+                    EndedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "结束时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_chat_sessions", x => x.Id);
+                },
+                comment: "客服会话。");
+
+            migrationBuilder.CreateTable(
+                name: "checkin_campaigns",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "活动名称。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "活动描述。"),
+                    StartDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "开始日期。"),
+                    EndDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "结束日期。"),
+                    AllowMakeupCount = table.Column<int>(type: "integer", nullable: false, comment: "支持补签次数。"),
+                    RewardsJson = table.Column<string>(type: "text", nullable: false, comment: "连签奖励 JSON。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_checkin_campaigns", x => x.Id);
+                },
+                comment: "签到活动配置。");
+
+            migrationBuilder.CreateTable(
+                name: "checkin_records",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CheckInCampaignId = table.Column<long>(type: "bigint", nullable: false, comment: "活动标识。"),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户标识。"),
+                    CheckInDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "签到日期（本地）。"),
+                    IsMakeup = table.Column<bool>(type: "boolean", nullable: false, comment: "是否补签。"),
+                    RewardJson = table.Column<string>(type: "text", nullable: false, comment: "获得奖励 JSON。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_checkin_records", x => x.Id);
+                },
+                comment: "用户签到记录。");
+
+            migrationBuilder.CreateTable(
+                name: "checkout_sessions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户标识。"),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    SessionToken = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "会话 Token。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "会话状态。"),
+                    ValidationResultJson = table.Column<string>(type: "text", nullable: false, comment: "校验结果明细 JSON。"),
+                    ExpiresAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "过期时间（UTC）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_checkout_sessions", x => x.Id);
+                },
+                comment: "结账会话，记录校验上下文。");
+
+            migrationBuilder.CreateTable(
+                name: "community_comments",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PostId = table.Column<long>(type: "bigint", nullable: false, comment: "动态标识。"),
+                    AuthorUserId = table.Column<long>(type: "bigint", nullable: false, comment: "评论人。"),
+                    Content = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false, comment: "评论内容。"),
+                    ParentId = table.Column<long>(type: "bigint", nullable: true, comment: "父级评论 ID。"),
+                    IsDeleted = table.Column<bool>(type: "boolean", nullable: false, comment: "状态。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_community_comments", x => x.Id);
+                },
+                comment: "社区评论。");
+
+            migrationBuilder.CreateTable(
+                name: "community_posts",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AuthorUserId = table.Column<long>(type: "bigint", nullable: false, comment: "作者用户 ID。"),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "标题。"),
+                    Content = table.Column<string>(type: "text", nullable: false, comment: "内容。"),
+                    MediaJson = table.Column<string>(type: "text", nullable: true, comment: "媒体资源 JSON。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    LikeCount = table.Column<int>(type: "integer", nullable: false, comment: "点赞数。"),
+                    CommentCount = table.Column<int>(type: "integer", nullable: false, comment: "评论数。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_community_posts", x => x.Id);
+                },
+                comment: "社区动态。");
+
+            migrationBuilder.CreateTable(
+                name: "community_reactions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PostId = table.Column<long>(type: "bigint", nullable: false, comment: "动态 ID。"),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户 ID。"),
+                    ReactionType = table.Column<int>(type: "integer", nullable: false, comment: "反应类型。"),
+                    ReactedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "时间戳。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_community_reactions", x => x.Id);
+                },
+                comment: "社区互动反馈。");
+
+            migrationBuilder.CreateTable(
+                name: "coupon_templates",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "模板名称。"),
+                    CouponType = table.Column<int>(type: "integer", nullable: false, comment: "券类型。"),
+                    Value = table.Column<decimal>(type: "numeric", nullable: false, comment: "面值或折扣额度。"),
+                    DiscountCap = table.Column<decimal>(type: "numeric", nullable: true, comment: "折扣上限（针对折扣券）。"),
+                    MinimumSpend = table.Column<decimal>(type: "numeric", nullable: true, comment: "最低消费门槛。"),
+                    ValidFrom = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "可用开始时间。"),
+                    ValidTo = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "可用结束时间。"),
+                    RelativeValidDays = table.Column<int>(type: "integer", nullable: true, comment: "有效天数（相对发放时间）。"),
+                    TotalQuantity = table.Column<int>(type: "integer", nullable: true, comment: "总发放数量上限。"),
+                    ClaimedQuantity = table.Column<int>(type: "integer", nullable: false, comment: "已领取数量。"),
+                    StoreScopeJson = table.Column<string>(type: "text", nullable: true, comment: "适用门店 ID 集合（JSON）。"),
+                    ProductScopeJson = table.Column<string>(type: "text", nullable: true, comment: "适用品类或商品范围（JSON）。"),
+                    ChannelsJson = table.Column<string>(type: "text", nullable: true, comment: "发放渠道（JSON）。"),
+                    AllowStack = table.Column<bool>(type: "boolean", nullable: false, comment: "是否允许叠加其他优惠。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_coupon_templates", x => x.Id);
+                },
+                comment: "优惠券模板。");
+
+            migrationBuilder.CreateTable(
+                name: "coupons",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CouponTemplateId = table.Column<long>(type: "bigint", nullable: false, comment: "模板标识。"),
+                    Code = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "券码或序列号。"),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "归属用户。"),
+                    OrderId = table.Column<long>(type: "bigint", nullable: true, comment: "订单 ID（已使用时记录）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    IssuedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发放时间。"),
+                    UsedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "使用时间。"),
+                    ExpireAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "到期时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_coupons", x => x.Id);
+                },
+                comment: "用户领取的券。");
+
+            migrationBuilder.CreateTable(
+                name: "delivery_events",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    DeliveryOrderId = table.Column<long>(type: "bigint", nullable: false, comment: "配送单标识。"),
+                    EventType = table.Column<int>(type: "integer", nullable: false, comment: "事件类型。"),
+                    Message = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "事件描述。"),
+                    Payload = table.Column<string>(type: "text", nullable: true, comment: "原始数据 JSON。"),
+                    OccurredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发生时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_delivery_events", x => x.Id);
+                },
+                comment: "配送状态事件流水。");
+
+            migrationBuilder.CreateTable(
+                name: "delivery_orders",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false),
+                    Provider = table.Column<int>(type: "integer", nullable: false, comment: "配送服务商。"),
+                    ProviderOrderId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "第三方配送单号。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    DeliveryFee = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "配送费。"),
+                    CourierName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "骑手姓名。"),
+                    CourierPhone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "骑手电话。"),
+                    DispatchedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "下发时间。"),
+                    PickedUpAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "取餐时间。"),
+                    DeliveredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "完成时间。"),
+                    FailureReason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "异常原因。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_delivery_orders", x => x.Id);
+                },
+                comment: "配送单。");
+
+            migrationBuilder.CreateTable(
+                name: "group_orders",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "关联商品或套餐。"),
+                    GroupOrderNo = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "拼单编号。"),
+                    LeaderUserId = table.Column<long>(type: "bigint", nullable: false, comment: "团长用户 ID。"),
+                    TargetCount = table.Column<int>(type: "integer", nullable: false, comment: "成团需要的人数。"),
+                    CurrentCount = table.Column<int>(type: "integer", nullable: false, comment: "当前已参与人数。"),
+                    GroupPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "拼团价格。"),
+                    StartAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "开始时间。"),
+                    EndAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "结束时间。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "拼团状态。"),
+                    SucceededAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "成团时间。"),
+                    CancelledAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "取消时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_group_orders", x => x.Id);
+                },
+                comment: "拼单活动。");
+
+            migrationBuilder.CreateTable(
+                name: "group_participants",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    GroupOrderId = table.Column<long>(type: "bigint", nullable: false, comment: "拼单活动标识。"),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "对应订单标识。"),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户标识。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "参与状态。"),
+                    JoinedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "参与时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_group_participants", x => x.Id);
+                },
+                comment: "拼单参与者。");
+
+            migrationBuilder.CreateTable(
+                name: "inventory_adjustments",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    InventoryItemId = table.Column<long>(type: "bigint", nullable: false, comment: "对应的库存记录标识。"),
+                    AdjustmentType = table.Column<int>(type: "integer", nullable: false, comment: "调整类型。"),
+                    Quantity = table.Column<int>(type: "integer", nullable: false, comment: "调整数量，正数增加，负数减少。"),
+                    Reason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "原因说明。"),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: true, comment: "操作人标识。"),
+                    OccurredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发生时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_inventory_adjustments", x => x.Id);
+                },
+                comment: "库存调整记录。");
+
+            migrationBuilder.CreateTable(
+                name: "inventory_batches",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    ProductSkuId = table.Column<long>(type: "bigint", nullable: false, comment: "SKU 标识。"),
+                    BatchNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "批次编号。"),
+                    ProductionDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "生产日期。"),
+                    ExpireDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "过期日期。"),
+                    Quantity = table.Column<int>(type: "integer", nullable: false, comment: "入库数量。"),
+                    RemainingQuantity = table.Column<int>(type: "integer", nullable: false, comment: "剩余数量。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_inventory_batches", x => x.Id);
+                },
+                comment: "SKU 批次信息。");
+
+            migrationBuilder.CreateTable(
+                name: "inventory_items",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    ProductSkuId = table.Column<long>(type: "bigint", nullable: false, comment: "SKU 标识。"),
+                    BatchNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "批次编号，可为空表示混批。"),
+                    QuantityOnHand = table.Column<int>(type: "integer", nullable: false, comment: "可用库存。"),
+                    QuantityReserved = table.Column<int>(type: "integer", nullable: false, comment: "已锁定库存（订单占用）。"),
+                    SafetyStock = table.Column<int>(type: "integer", nullable: true, comment: "安全库存阈值。"),
+                    Location = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "储位或仓位信息。"),
+                    ExpireDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "过期日期。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_inventory_items", x => x.Id);
+                },
+                comment: "SKU 在门店的库存信息。");
+
+            migrationBuilder.CreateTable(
+                name: "map_locations",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: true, comment: "关联门店 ID，可空表示独立 POI。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "名称。"),
+                    Address = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "地址。"),
+                    Longitude = table.Column<double>(type: "double precision", nullable: false, comment: "经度。"),
+                    Latitude = table.Column<double>(type: "double precision", nullable: false, comment: "纬度。"),
+                    Landmark = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "打车/导航落点描述。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_map_locations", x => x.Id);
+                },
+                comment: "地图 POI 信息，用于门店定位和推荐。");
+
+            migrationBuilder.CreateTable(
+                name: "member_growth_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MemberId = table.Column<long>(type: "bigint", nullable: false, comment: "会员标识。"),
+                    ChangeValue = table.Column<int>(type: "integer", nullable: false, comment: "变动数量。"),
+                    CurrentValue = table.Column<int>(type: "integer", nullable: false, comment: "当前成长值。"),
+                    Notes = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "备注。"),
+                    OccurredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发生时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_member_growth_logs", x => x.Id);
+                },
+                comment: "成长值变动日志。");
+
+            migrationBuilder.CreateTable(
+                name: "member_point_ledgers",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MemberId = table.Column<long>(type: "bigint", nullable: false, comment: "会员标识。"),
+                    ChangeAmount = table.Column<int>(type: "integer", nullable: false, comment: "变动数量，可为负值。"),
+                    BalanceAfterChange = table.Column<int>(type: "integer", nullable: false, comment: "变动后余额。"),
+                    Reason = table.Column<int>(type: "integer", nullable: false, comment: "变动原因。"),
+                    SourceId = table.Column<long>(type: "bigint", nullable: true, comment: "来源 ID（订单、活动等）。"),
+                    OccurredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发生时间。"),
+                    ExpireAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "过期时间（如适用）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_member_point_ledgers", x => x.Id);
+                },
+                comment: "积分变动流水。");
+
+            migrationBuilder.CreateTable(
+                name: "member_profiles",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户标识。"),
+                    Mobile = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "手机号。"),
+                    Nickname = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "昵称。"),
+                    AvatarUrl = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "头像。"),
+                    MemberTierId = table.Column<long>(type: "bigint", nullable: true, comment: "当前会员等级 ID。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "会员状态。"),
+                    PointsBalance = table.Column<int>(type: "integer", nullable: false, comment: "会员积分余额。"),
+                    GrowthValue = table.Column<int>(type: "integer", nullable: false, comment: "成长值/经验值。"),
+                    BirthDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "生日。"),
+                    JoinedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "注册时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_member_profiles", x => x.Id);
+                },
+                comment: "会员档案。");
+
+            migrationBuilder.CreateTable(
+                name: "member_tiers",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "等级名称。"),
+                    RequiredGrowth = table.Column<int>(type: "integer", nullable: false, comment: "所需成长值。"),
+                    BenefitsJson = table.Column<string>(type: "text", nullable: false, comment: "等级权益（JSON）。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_member_tiers", x => x.Id);
+                },
+                comment: "会员等级定义。");
+
+            migrationBuilder.CreateTable(
+                name: "merchant_contracts",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商户标识。"),
+                    ContractNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "合同编号。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "合同状态。"),
+                    StartDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "合同开始时间。"),
+                    EndDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "合同结束时间。"),
+                    FileUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false, comment: "合同文件存储地址。"),
+                    SignedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "签署时间。"),
+                    TerminatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "终止时间。"),
+                    TerminationReason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "终止原因。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchant_contracts", x => x.Id);
+                },
+                comment: "商户合同记录。");
+
+            migrationBuilder.CreateTable(
+                name: "merchant_documents",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商户标识。"),
+                    DocumentType = table.Column<int>(type: "integer", nullable: false, comment: "证照类型。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "审核状态。"),
+                    FileUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false, comment: "证照文件链接。"),
+                    DocumentNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "证照编号。"),
+                    IssuedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "签发日期。"),
+                    ExpiresAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "到期日期。"),
+                    Remarks = table.Column<string>(type: "text", nullable: true, comment: "审核备注或驳回原因。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchant_documents", x => x.Id);
+                },
+                comment: "商户提交的资质或证照材料。");
+
+            migrationBuilder.CreateTable(
+                name: "merchant_staff",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商户标识。"),
+                    StoreId = table.Column<long>(type: "bigint", nullable: true, comment: "可选的关联门店 ID。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "员工姓名。"),
+                    Phone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "手机号。"),
+                    Email = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "邮箱地址。"),
+                    IdentityUserId = table.Column<long>(type: "bigint", nullable: true, comment: "登录账号 ID（指向统一身份体系）。"),
+                    RoleType = table.Column<int>(type: "integer", nullable: false, comment: "员工角色类型。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "员工状态。"),
+                    PermissionsJson = table.Column<string>(type: "text", nullable: true, comment: "自定义权限（JSON）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchant_staff", x => x.Id);
+                },
+                comment: "商户员工账号，支持门店维度分配。");
+
+            migrationBuilder.CreateTable(
+                name: "merchants",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    BrandName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "品牌名称（对外展示）。"),
+                    BrandAlias = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "品牌简称或别名。"),
+                    LogoUrl = table.Column<string>(type: "text", nullable: true, comment: "品牌 Logo。"),
+                    Category = table.Column<string>(type: "text", nullable: true, comment: "品牌所属品类，如火锅、咖啡等。"),
+                    BusinessLicenseNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "营业执照号。"),
+                    BusinessLicenseImageUrl = table.Column<string>(type: "text", nullable: true, comment: "营业执照扫描件地址。"),
+                    TaxNumber = table.Column<string>(type: "text", nullable: true, comment: "税号/统一社会信用代码。"),
+                    LegalPerson = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "法人或负责人姓名。"),
+                    ContactPhone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "联系电话。"),
+                    ContactEmail = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "联系邮箱。"),
+                    ServicePhone = table.Column<string>(type: "text", nullable: true, comment: "客服电话。"),
+                    SupportEmail = table.Column<string>(type: "text", nullable: true, comment: "客服邮箱。"),
+                    Province = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "所在省份。"),
+                    City = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "所在城市。"),
+                    District = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "所在区县。"),
+                    Address = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "详细地址。"),
+                    Longitude = table.Column<double>(type: "double precision", nullable: true, comment: "经度信息。"),
+                    Latitude = table.Column<double>(type: "double precision", nullable: true, comment: "纬度信息。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "入驻状态。"),
+                    ReviewRemarks = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "审核备注或驳回原因。"),
+                    JoinedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "入驻时间。"),
+                    LastReviewedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次审核时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchants", x => x.Id);
+                },
+                comment: "商户主体信息，承载入驻和资质审核结果。");
+
+            migrationBuilder.CreateTable(
+                name: "metric_alert_rules",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MetricDefinitionId = table.Column<long>(type: "bigint", nullable: false, comment: "关联指标。"),
+                    ConditionJson = table.Column<string>(type: "text", nullable: false, comment: "触发条件 JSON。"),
+                    Severity = table.Column<int>(type: "integer", nullable: false, comment: "告警级别。"),
+                    NotificationChannels = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "通知渠道。"),
+                    Enabled = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_metric_alert_rules", x => x.Id);
+                },
+                comment: "指标告警规则。");
+
+            migrationBuilder.CreateTable(
+                name: "metric_definitions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Code = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "指标编码。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "指标名称。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "说明。"),
+                    DimensionsJson = table.Column<string>(type: "text", nullable: true, comment: "维度描述 JSON。"),
+                    DefaultAggregation = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "默认聚合方式。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_metric_definitions", x => x.Id);
+                },
+                comment: "指标定义，描述可观测的数据点。");
+
+            migrationBuilder.CreateTable(
+                name: "metric_snapshots",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MetricDefinitionId = table.Column<long>(type: "bigint", nullable: false, comment: "指标定义 ID。"),
+                    DimensionKey = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "维度键（JSON）。"),
+                    WindowStart = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "统计时间窗口开始。"),
+                    WindowEnd = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "统计时间窗口结束。"),
+                    Value = table.Column<decimal>(type: "numeric(18,4)", precision: 18, scale: 4, nullable: false, comment: "数值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_metric_snapshots", x => x.Id);
+                },
+                comment: "指标快照，用于大盘展示。");
+
+            migrationBuilder.CreateTable(
+                name: "navigation_requests",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户 ID。"),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店 ID。"),
+                    Channel = table.Column<int>(type: "integer", nullable: false, comment: "来源通道（小程序、H5 等）。"),
+                    TargetApp = table.Column<int>(type: "integer", nullable: false, comment: "跳转的地图应用。"),
+                    RequestedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "请求时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_navigation_requests", x => x.Id);
+                },
+                comment: "用户发起的导航请求日志。");
+
+            migrationBuilder.CreateTable(
+                name: "order_status_histories",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "订单标识。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "变更后的状态。"),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: true, comment: "操作人标识（可为空表示系统）。"),
+                    Notes = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "备注信息。"),
+                    OccurredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发生时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_order_status_histories", x => x.Id);
+                },
+                comment: "订单状态流转记录。");
+
+            migrationBuilder.CreateTable(
+                name: "orders",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderNo = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "订单号。"),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店。"),
+                    Channel = table.Column<int>(type: "integer", nullable: false, comment: "下单渠道。"),
+                    DeliveryType = table.Column<int>(type: "integer", nullable: false, comment: "履约类型。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "当前状态。"),
+                    PaymentStatus = table.Column<int>(type: "integer", nullable: false, comment: "支付状态。"),
+                    CustomerName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "顾客姓名。"),
+                    CustomerPhone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "顾客手机号。"),
+                    TableNo = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "就餐桌号。"),
+                    QueueNumber = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "排队号（如有）。"),
+                    ReservationId = table.Column<long>(type: "bigint", nullable: true, comment: "预约 ID。"),
+                    ItemsAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "商品总额。"),
+                    DiscountAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "优惠金额。"),
+                    PayableAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "应付金额。"),
+                    PaidAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "实付金额。"),
+                    PaidAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "支付时间。"),
+                    FinishedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "完成时间。"),
+                    CancelledAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "取消时间。"),
+                    CancelReason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "取消原因。"),
+                    Remark = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_orders", x => x.Id);
+                },
+                comment: "交易订单。");
+
+            migrationBuilder.CreateTable(
+                name: "payment_records",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "关联订单。"),
+                    Method = table.Column<int>(type: "integer", nullable: false, comment: "支付方式。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "支付状态。"),
+                    Amount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "支付金额。"),
+                    TradeNo = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "平台交易号。"),
+                    ChannelTransactionId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "第三方渠道单号。"),
+                    PaidAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "支付完成时间。"),
+                    Remark = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "错误/备注。"),
+                    Payload = table.Column<string>(type: "text", nullable: true, comment: "原始回调内容。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_payment_records", x => x.Id);
+                },
+                comment: "支付流水。");
+
+            migrationBuilder.CreateTable(
+                name: "payment_refund_records",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PaymentRecordId = table.Column<long>(type: "bigint", nullable: false, comment: "原支付记录标识。"),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "关联订单标识。"),
+                    Amount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "退款金额。"),
+                    ChannelRefundId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "渠道退款流水号。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "退款状态。"),
+                    RequestedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "退款请求时间。"),
+                    CompletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "完成时间。"),
+                    Payload = table.Column<string>(type: "text", nullable: true, comment: "渠道返回的原始数据 JSON。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_payment_refund_records", x => x.Id);
+                },
+                comment: "支付渠道退款流水。");
+
+            migrationBuilder.CreateTable(
+                name: "product_addon_groups",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商品。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "分组名称。"),
+                    SelectionType = table.Column<int>(type: "integer", nullable: false, comment: "选择类型。"),
+                    MinSelect = table.Column<int>(type: "integer", nullable: true, comment: "最小选择数量。"),
+                    MaxSelect = table.Column<int>(type: "integer", nullable: true, comment: "最大选择数量。"),
+                    IsRequired = table.Column<bool>(type: "boolean", nullable: false, comment: "是否必选。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_addon_groups", x => x.Id);
+                },
+                comment: "加料/做法分组。");
+
+            migrationBuilder.CreateTable(
+                name: "product_addon_options",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AddonGroupId = table.Column<long>(type: "bigint", nullable: false, comment: "所属加料分组。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "选项名称。"),
+                    ExtraPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "附加价格。"),
+                    IsDefault = table.Column<bool>(type: "boolean", nullable: false, comment: "是否默认选项。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_addon_options", x => x.Id);
+                },
+                comment: "加料选项。");
+
+            migrationBuilder.CreateTable(
+                name: "product_attribute_groups",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: true, comment: "关联门店，可为空表示所有门店共享。"),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商品标识。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "分组名称，例如“辣度”“份量”。"),
+                    SelectionType = table.Column<int>(type: "integer", nullable: false, comment: "选择类型（单选/多选）。"),
+                    IsRequired = table.Column<bool>(type: "boolean", nullable: false, comment: "是否必选。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "显示排序。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_attribute_groups", x => x.Id);
+                },
+                comment: "商品规格/属性分组。");
+
+            migrationBuilder.CreateTable(
+                name: "product_attribute_options",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AttributeGroupId = table.Column<long>(type: "bigint", nullable: false, comment: "所属规格组。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "选项名称。"),
+                    ExtraPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "附加价格。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序。"),
+                    IsDefault = table.Column<bool>(type: "boolean", nullable: false, comment: "是否默认选中。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_attribute_options", x => x.Id);
+                },
+                comment: "商品规格选项。");
+
+            migrationBuilder.CreateTable(
+                name: "product_categories",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "所属门店。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "分类名称。"),
+                    Description = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "分类描述。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_categories", x => x.Id);
+                },
+                comment: "商品分类。");
+
+            migrationBuilder.CreateTable(
+                name: "product_media_assets",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "商品标识。"),
+                    MediaType = table.Column<int>(type: "integer", nullable: false, comment: "媒体类型。"),
+                    Url = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false, comment: "媒资链接。"),
+                    Caption = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "描述或标题。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_media_assets", x => x.Id);
+                },
+                comment: "商品媒资素材。");
+
+            migrationBuilder.CreateTable(
+                name: "product_pricing_rules",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商品。"),
+                    RuleType = table.Column<int>(type: "integer", nullable: false, comment: "策略类型。"),
+                    ConditionsJson = table.Column<string>(type: "text", nullable: false, comment: "条件描述（JSON），如会员等级、渠道等。"),
+                    Price = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "特殊价格。"),
+                    StartTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "生效开始时间。"),
+                    EndTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "生效结束时间。"),
+                    WeekdaysJson = table.Column<string>(type: "text", nullable: true, comment: "生效星期（JSON 数组）。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_pricing_rules", x => x.Id);
+                },
+                comment: "商品价格策略，支持会员价/时段价等。");
+
+            migrationBuilder.CreateTable(
+                name: "product_skus",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商品标识。"),
+                    SkuCode = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "SKU 编码。"),
+                    Barcode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "条形码。"),
+                    Price = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "售价。"),
+                    OriginalPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "原价。"),
+                    StockQuantity = table.Column<int>(type: "integer", nullable: true, comment: "可售库存。"),
+                    Weight = table.Column<decimal>(type: "numeric(10,3)", precision: 10, scale: 3, nullable: true, comment: "重量（千克）。"),
+                    AttributesJson = table.Column<string>(type: "text", nullable: false, comment: "规格属性 JSON（记录选项 ID）。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_product_skus", x => x.Id);
+                },
+                comment: "商品 SKU，记录具体规格组合价格。");
+
+            migrationBuilder.CreateTable(
+                name: "products",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "所属门店。"),
+                    CategoryId = table.Column<long>(type: "bigint", nullable: false, comment: "所属分类。"),
+                    SpuCode = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "商品编码。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "商品名称。"),
+                    Subtitle = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "副标题/卖点。"),
+                    Unit = table.Column<string>(type: "character varying(16)", maxLength: 16, nullable: true, comment: "售卖单位（份/杯等）。"),
+                    Price = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "现价。"),
+                    OriginalPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "原价。"),
+                    StockQuantity = table.Column<int>(type: "integer", nullable: true, comment: "库存数量（可选）。"),
+                    MaxQuantityPerOrder = table.Column<int>(type: "integer", nullable: true, comment: "最大每单限购。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "商品状态。"),
+                    CoverImage = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "主图。"),
+                    GalleryImages = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: true, comment: "Gallery 图片逗号分隔。"),
+                    Description = table.Column<string>(type: "text", nullable: true, comment: "商品描述。"),
+                    EnableDineIn = table.Column<bool>(type: "boolean", nullable: false, comment: "支持堂食。"),
+                    EnablePickup = table.Column<bool>(type: "boolean", nullable: false, comment: "支持自提。"),
+                    EnableDelivery = table.Column<bool>(type: "boolean", nullable: false, comment: "支持配送。"),
+                    IsFeatured = table.Column<bool>(type: "boolean", nullable: false, comment: "是否热门推荐。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_products", x => x.Id);
+                },
+                comment: "商品（SPU）信息。");
+
+            migrationBuilder.CreateTable(
+                name: "promotion_campaigns",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "活动名称。"),
+                    PromotionType = table.Column<int>(type: "integer", nullable: false, comment: "活动类型。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "活动状态。"),
+                    StartAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "开始时间。"),
+                    EndAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "结束时间。"),
+                    Budget = table.Column<decimal>(type: "numeric", nullable: true, comment: "预算金额。"),
+                    RulesJson = table.Column<string>(type: "text", nullable: false, comment: "活动规则 JSON。"),
+                    AudienceDescription = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "目标人群描述。"),
+                    BannerUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "营销素材（如 banner）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_promotion_campaigns", x => x.Id);
+                },
+                comment: "营销活动配置。");
+
+            migrationBuilder.CreateTable(
+                name: "queue_tickets",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false),
+                    TicketNumber = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "排队编号。"),
+                    PartySize = table.Column<int>(type: "integer", nullable: false, comment: "就餐人数。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    EstimatedWaitMinutes = table.Column<int>(type: "integer", nullable: true, comment: "预计等待分钟。"),
+                    CalledAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "叫号时间。"),
+                    ExpiredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "过号时间。"),
+                    CancelledAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "取消时间。"),
+                    Remark = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_queue_tickets", x => x.Id);
+                },
+                comment: "排队叫号。");
+
+            migrationBuilder.CreateTable(
+                name: "refund_requests",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "关联订单标识。"),
+                    RefundNo = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "退款单号。"),
+                    Amount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "申请金额。"),
+                    Reason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "申请原因。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "退款状态。"),
+                    RequestedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "用户提交时间。"),
+                    ProcessedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "审核完成时间。"),
+                    ReviewNotes = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "审核备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_refund_requests", x => x.Id);
+                },
+                comment: "售后/退款申请。");
+
+            migrationBuilder.CreateTable(
+                name: "reservations",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店。"),
+                    ReservationNo = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "预约号。"),
+                    CustomerName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "客户姓名。"),
+                    CustomerPhone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "联系电话。"),
+                    PeopleCount = table.Column<int>(type: "integer", nullable: false, comment: "用餐人数。"),
+                    ReservationTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "预约时间（UTC）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    TablePreference = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "桌型/标签。"),
+                    Remark = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注。"),
+                    CheckInCode = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "核销码/到店码。"),
+                    CheckedInAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "实际签到时间。"),
+                    CancelledAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "取消时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_reservations", x => x.Id);
+                },
+                comment: "预约/预订记录。");
+
+            migrationBuilder.CreateTable(
+                name: "shopping_carts",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户标识。"),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "购物车状态，包含正常/锁定。"),
+                    TableContext = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "桌码或场景标识（扫码点餐）。"),
+                    DeliveryPreference = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "履约方式（堂食/自提/配送）缓存。"),
+                    LastModifiedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "最近一次修改时间（UTC）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_shopping_carts", x => x.Id);
+                },
+                comment: "用户购物车，按租户/门店隔离。");
+
+            migrationBuilder.CreateTable(
+                name: "store_business_hours",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    DayOfWeek = table.Column<int>(type: "integer", nullable: false, comment: "星期几，0 表示周日。"),
+                    HourType = table.Column<int>(type: "integer", nullable: false, comment: "时段类型（正常营业、休息、预约等）。"),
+                    StartTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "开始时间（本地时间）。"),
+                    EndTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "结束时间（本地时间）。"),
+                    CapacityLimit = table.Column<int>(type: "integer", nullable: true, comment: "最大接待容量或单量限制。"),
+                    Notes = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_business_hours", x => x.Id);
+                },
+                comment: "门店营业时段配置。");
+
+            migrationBuilder.CreateTable(
+                name: "store_delivery_zones",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    ZoneName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "区域名称。"),
+                    PolygonGeoJson = table.Column<string>(type: "text", nullable: false, comment: "GeoJSON 表示的多边形范围。"),
+                    MinimumOrderAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "起送价。"),
+                    DeliveryFee = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: true, comment: "配送费。"),
+                    EstimatedMinutes = table.Column<int>(type: "integer", nullable: true, comment: "预计送达分钟。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_delivery_zones", x => x.Id);
+                },
+                comment: "门店配送范围配置。");
+
+            migrationBuilder.CreateTable(
+                name: "store_employee_shifts",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    StaffId = table.Column<long>(type: "bigint", nullable: false, comment: "员工标识。"),
+                    ShiftDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "班次日期。"),
+                    StartTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "开始时间。"),
+                    EndTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "结束时间。"),
+                    RoleType = table.Column<int>(type: "integer", nullable: false, comment: "排班角色。"),
+                    Notes = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_employee_shifts", x => x.Id);
+                },
+                comment: "门店员工排班记录。");
+
+            migrationBuilder.CreateTable(
+                name: "store_holidays",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    Date = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "日期。"),
+                    IsClosed = table.Column<bool>(type: "boolean", nullable: false, comment: "是否全天闭店。"),
+                    Reason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "说明内容。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_holidays", x => x.Id);
+                },
+                comment: "门店休息日或特殊营业日。");
+
+            migrationBuilder.CreateTable(
+                name: "store_table_areas",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "区域名称。"),
+                    Description = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "区域描述。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_table_areas", x => x.Id);
+                },
+                comment: "门店桌台区域配置。");
+
+            migrationBuilder.CreateTable(
+                name: "store_tables",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    AreaId = table.Column<long>(type: "bigint", nullable: true, comment: "所在区域 ID。"),
+                    TableCode = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "桌码。"),
+                    Capacity = table.Column<int>(type: "integer", nullable: false, comment: "可容纳人数。"),
+                    Tags = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "桌台标签（堂食、快餐等）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "当前桌台状态。"),
+                    QrCodeUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "桌码二维码地址。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_tables", x => x.Id);
+                },
+                comment: "桌台信息与二维码绑定。");
+
+            migrationBuilder.CreateTable(
+                name: "stores",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属商户标识。"),
+                    Code = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "门店编码，便于扫码及外部对接。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "门店名称。"),
+                    Phone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "联系电话。"),
+                    ManagerName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "门店负责人姓名。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "门店当前运营状态。"),
+                    Country = table.Column<string>(type: "text", nullable: true, comment: "所在国家或地区。"),
+                    Province = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "所在省份。"),
+                    City = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "所在城市。"),
+                    District = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "区县信息。"),
+                    Address = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "详细地址。"),
+                    Longitude = table.Column<double>(type: "double precision", nullable: true, comment: "高德/腾讯地图经度。"),
+                    Latitude = table.Column<double>(type: "double precision", nullable: true, comment: "纬度。"),
+                    Description = table.Column<string>(type: "text", nullable: true, comment: "门店描述或公告。"),
+                    BusinessHours = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "门店营业时段描述（备用字符串）。"),
+                    SupportsDineIn = table.Column<bool>(type: "boolean", nullable: false, comment: "是否支持堂食。"),
+                    SupportsPickup = table.Column<bool>(type: "boolean", nullable: false, comment: "是否支持自提。"),
+                    SupportsDelivery = table.Column<bool>(type: "boolean", nullable: false, comment: "是否支持配送。"),
+                    SupportsReservation = table.Column<bool>(type: "boolean", nullable: false, comment: "支持预约。"),
+                    SupportsQueueing = table.Column<bool>(type: "boolean", nullable: false, comment: "支持排队叫号。"),
+                    DeliveryRadiusKm = table.Column<decimal>(type: "numeric(6,2)", precision: 6, scale: 2, nullable: false, comment: "默认配送半径（公里）。"),
+                    Announcement = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "门店公告。"),
+                    Tags = table.Column<string>(type: "text", nullable: true, comment: "门店标签（逗号分隔）。"),
+                    CoverImageUrl = table.Column<string>(type: "text", nullable: true, comment: "门店海报。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_stores", x => x.Id);
+                },
+                comment: "门店信息，承载营业配置与能力。");
+
+            migrationBuilder.CreateTable(
+                name: "support_tickets",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TicketNo = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "工单编号。"),
+                    CustomerUserId = table.Column<long>(type: "bigint", nullable: false, comment: "客户用户 ID。"),
+                    OrderId = table.Column<long>(type: "bigint", nullable: true, comment: "关联订单（如有）。"),
+                    Subject = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "工单主题。"),
+                    Description = table.Column<string>(type: "text", nullable: false, comment: "工单详情。"),
+                    Priority = table.Column<int>(type: "integer", nullable: false, comment: "优先级。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "状态。"),
+                    AssignedAgentId = table.Column<long>(type: "bigint", nullable: true, comment: "指派的客服。"),
+                    ClosedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "关闭时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_support_tickets", x => x.Id);
+                },
+                comment: "客服工单。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_billing_statements",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StatementNo = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "账单编号，供对账查询。"),
+                    PeriodStart = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "账单周期开始时间。"),
+                    PeriodEnd = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "账单周期结束时间。"),
+                    AmountDue = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "应付金额。"),
+                    AmountPaid = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "实付金额。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "当前付款状态。"),
+                    DueDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "到期日。"),
+                    LineItemsJson = table.Column<string>(type: "text", nullable: true, comment: "账单明细 JSON，记录各项费用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_billing_statements", x => x.Id);
+                },
+                comment: "租户账单，用于呈现周期性收费。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_notifications",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "通知标题。"),
+                    Message = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false, comment: "通知正文。"),
+                    Channel = table.Column<int>(type: "integer", nullable: false, comment: "发布通道（站内、邮件、短信等）。"),
+                    Severity = table.Column<int>(type: "integer", nullable: false, comment: "通知重要级别。"),
+                    SentAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "推送时间。"),
+                    ReadAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "租户是否已阅读。"),
+                    MetadataJson = table.Column<string>(type: "text", nullable: true, comment: "附加元数据 JSON。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_notifications", x => x.Id);
+                },
+                comment: "面向租户的站内通知或消息推送。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_packages",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "套餐名称，展示给租户的简称。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "套餐描述，包含适用场景、权益等。"),
+                    PackageType = table.Column<int>(type: "integer", nullable: false, comment: "套餐分类（试用、标准、旗舰等）。"),
+                    MonthlyPrice = table.Column<decimal>(type: "numeric", nullable: true, comment: "月付价格，单位：人民币元。"),
+                    YearlyPrice = table.Column<decimal>(type: "numeric", nullable: true, comment: "年付价格，单位：人民币元。"),
+                    MaxStoreCount = table.Column<int>(type: "integer", nullable: true, comment: "允许的最大门店数。"),
+                    MaxAccountCount = table.Column<int>(type: "integer", nullable: true, comment: "允许创建的最大账号数。"),
+                    MaxStorageGb = table.Column<int>(type: "integer", nullable: true, comment: "存储容量上限（GB）。"),
+                    MaxSmsCredits = table.Column<int>(type: "integer", nullable: true, comment: "每月短信额度上限。"),
+                    MaxDeliveryOrders = table.Column<int>(type: "integer", nullable: true, comment: "每月可调用的配送单数量上限。"),
+                    FeaturePoliciesJson = table.Column<string>(type: "text", nullable: true, comment: "权益明细 JSON，记录自定义特性开关。"),
+                    IsActive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否仍可售卖。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_packages", x => x.Id);
+                },
+                comment: "平台提供的租户套餐定义。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_quota_usages",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    QuotaType = table.Column<int>(type: "integer", nullable: false, comment: "配额类型，例如门店数、短信条数等。"),
+                    LimitValue = table.Column<decimal>(type: "numeric", nullable: false, comment: "当前配额上限。"),
+                    UsedValue = table.Column<decimal>(type: "numeric", nullable: false, comment: "已消耗的数量。"),
+                    ResetCycle = table.Column<string>(type: "text", nullable: true, comment: "配额刷新周期描述（如月、年）。"),
+                    LastResetAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次重置时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_quota_usages", x => x.Id);
+                },
+                comment: "租户配额使用情况快照。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_subscriptions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TenantPackageId = table.Column<long>(type: "bigint", nullable: false, comment: "当前订阅关联的套餐标识。"),
+                    EffectiveFrom = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "订阅生效时间（UTC）。"),
+                    EffectiveTo = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "订阅到期时间（UTC）。"),
+                    NextBillingDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "下一个计费时间，配合自动续费使用。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "订阅当前状态。"),
+                    AutoRenew = table.Column<bool>(type: "boolean", nullable: false, comment: "是否开启自动续费。"),
+                    ScheduledPackageId = table.Column<long>(type: "bigint", nullable: true, comment: "若已排期升降配，对应的新套餐 ID。"),
+                    Notes = table.Column<string>(type: "text", nullable: true, comment: "运营备注信息。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_subscriptions", x => x.Id);
+                },
+                comment: "租户套餐订阅记录。");
+
+            migrationBuilder.CreateTable(
+                name: "tenants",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Code = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "租户短编码，作为跨系统引用的唯一标识。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "租户全称或品牌名称。"),
+                    ShortName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "对外展示的简称。"),
+                    LegalEntityName = table.Column<string>(type: "text", nullable: true, comment: "法人或公司主体名称。"),
+                    Industry = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "所属行业，如餐饮、零售等。"),
+                    LogoUrl = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "LOGO 图片地址。"),
+                    CoverImageUrl = table.Column<string>(type: "text", nullable: true, comment: "品牌海报或封面图。"),
+                    Website = table.Column<string>(type: "text", nullable: true, comment: "官网或主要宣传链接。"),
+                    Country = table.Column<string>(type: "text", nullable: true, comment: "所在国家/地区。"),
+                    Province = table.Column<string>(type: "text", nullable: true, comment: "所在省份或州。"),
+                    City = table.Column<string>(type: "text", nullable: true, comment: "所在城市。"),
+                    Address = table.Column<string>(type: "text", nullable: true, comment: "详细地址信息。"),
+                    ContactName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "主联系人姓名。"),
+                    ContactPhone = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "主联系人电话。"),
+                    ContactEmail = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "主联系人邮箱。"),
+                    PrimaryOwnerUserId = table.Column<long>(type: "bigint", nullable: true, comment: "系统内对应的租户所有者账号 ID。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "租户当前状态，涵盖审核、启用、停用等场景。"),
+                    EffectiveFrom = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "服务生效时间（UTC）。"),
+                    EffectiveTo = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "服务到期时间（UTC）。"),
+                    SuspendedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次暂停服务时间。"),
+                    SuspensionReason = table.Column<string>(type: "text", nullable: true, comment: "暂停或终止的原因说明。"),
+                    Tags = table.Column<string>(type: "text", nullable: true, comment: "业务标签集合（逗号分隔）。"),
+                    Remarks = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注信息，用于运营记录特殊说明。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenants", x => x.Id);
+                },
+                comment: "平台租户信息，描述租户的生命周期与基础资料。");
+
+            migrationBuilder.CreateTable(
+                name: "ticket_comments",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    SupportTicketId = table.Column<long>(type: "bigint", nullable: false, comment: "工单标识。"),
+                    AuthorUserId = table.Column<long>(type: "bigint", nullable: true, comment: "评论人 ID。"),
+                    Content = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false, comment: "评论内容。"),
+                    IsInternal = table.Column<bool>(type: "boolean", nullable: false, comment: "是否内部备注。"),
+                    AttachmentsJson = table.Column<string>(type: "text", nullable: true, comment: "附件 JSON。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ticket_comments", x => x.Id);
+                },
+                comment: "工单评论/流转记录。");
+
+            migrationBuilder.CreateTable(
+                name: "order_items",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OrderId = table.Column<long>(type: "bigint", nullable: false, comment: "订单 ID。"),
+                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "商品 ID。"),
+                    ProductName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "商品名称。"),
+                    SkuName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "SKU/规格描述。"),
+                    Unit = table.Column<string>(type: "character varying(16)", maxLength: 16, nullable: true, comment: "单位。"),
+                    Quantity = table.Column<int>(type: "integer", nullable: false, comment: "数量。"),
+                    UnitPrice = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "单价。"),
+                    DiscountAmount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "折扣金额。"),
+                    SubTotal = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "小计。"),
+                    AttributesJson = table.Column<string>(type: "text", nullable: true, comment: "自定义属性 JSON。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_order_items", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_order_items_orders_OrderId",
+                        column: x => x.OrderId,
+                        principalTable: "orders",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                },
+                comment: "订单明细。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_affiliate_orders_TenantId_AffiliatePartnerId_OrderId",
+                table: "affiliate_orders",
+                columns: new[] { "TenantId", "AffiliatePartnerId", "OrderId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_affiliate_partners_TenantId_DisplayName",
+                table: "affiliate_partners",
+                columns: new[] { "TenantId", "DisplayName" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_affiliate_payouts_TenantId_AffiliatePartnerId_Period",
+                table: "affiliate_payouts",
+                columns: new[] { "TenantId", "AffiliatePartnerId", "Period" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_cart_items_TenantId_ShoppingCartId",
+                table: "cart_items",
+                columns: new[] { "TenantId", "ShoppingCartId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_chat_messages_TenantId_ChatSessionId_CreatedAt",
+                table: "chat_messages",
+                columns: new[] { "TenantId", "ChatSessionId", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_chat_sessions_TenantId_SessionCode",
+                table: "chat_sessions",
+                columns: new[] { "TenantId", "SessionCode" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_checkin_campaigns_TenantId_Name",
+                table: "checkin_campaigns",
+                columns: new[] { "TenantId", "Name" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_checkin_records_TenantId_CheckInCampaignId_UserId_CheckInDa~",
+                table: "checkin_records",
+                columns: new[] { "TenantId", "CheckInCampaignId", "UserId", "CheckInDate" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_checkout_sessions_TenantId_SessionToken",
+                table: "checkout_sessions",
+                columns: new[] { "TenantId", "SessionToken" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_community_comments_TenantId_PostId_CreatedAt",
+                table: "community_comments",
+                columns: new[] { "TenantId", "PostId", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_community_posts_TenantId_AuthorUserId_CreatedAt",
+                table: "community_posts",
+                columns: new[] { "TenantId", "AuthorUserId", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_community_reactions_TenantId_PostId_UserId",
+                table: "community_reactions",
+                columns: new[] { "TenantId", "PostId", "UserId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_coupons_TenantId_Code",
+                table: "coupons",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_delivery_events_TenantId_DeliveryOrderId_EventType",
+                table: "delivery_events",
+                columns: new[] { "TenantId", "DeliveryOrderId", "EventType" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_delivery_orders_TenantId_OrderId",
+                table: "delivery_orders",
+                columns: new[] { "TenantId", "OrderId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_group_orders_TenantId_GroupOrderNo",
+                table: "group_orders",
+                columns: new[] { "TenantId", "GroupOrderNo" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_group_participants_TenantId_GroupOrderId_UserId",
+                table: "group_participants",
+                columns: new[] { "TenantId", "GroupOrderId", "UserId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_inventory_adjustments_TenantId_InventoryItemId_OccurredAt",
+                table: "inventory_adjustments",
+                columns: new[] { "TenantId", "InventoryItemId", "OccurredAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_inventory_batches_TenantId_StoreId_ProductSkuId_BatchNumber",
+                table: "inventory_batches",
+                columns: new[] { "TenantId", "StoreId", "ProductSkuId", "BatchNumber" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_inventory_items_TenantId_StoreId_ProductSkuId_BatchNumber",
+                table: "inventory_items",
+                columns: new[] { "TenantId", "StoreId", "ProductSkuId", "BatchNumber" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_map_locations_TenantId_StoreId",
+                table: "map_locations",
+                columns: new[] { "TenantId", "StoreId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_member_growth_logs_TenantId_MemberId_OccurredAt",
+                table: "member_growth_logs",
+                columns: new[] { "TenantId", "MemberId", "OccurredAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_member_point_ledgers_TenantId_MemberId_OccurredAt",
+                table: "member_point_ledgers",
+                columns: new[] { "TenantId", "MemberId", "OccurredAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_member_profiles_TenantId_Mobile",
+                table: "member_profiles",
+                columns: new[] { "TenantId", "Mobile" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_member_tiers_TenantId_Name",
+                table: "member_tiers",
+                columns: new[] { "TenantId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_contracts_TenantId_MerchantId_ContractNumber",
+                table: "merchant_contracts",
+                columns: new[] { "TenantId", "MerchantId", "ContractNumber" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_documents_TenantId_MerchantId_DocumentType",
+                table: "merchant_documents",
+                columns: new[] { "TenantId", "MerchantId", "DocumentType" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_staff_TenantId_MerchantId_Phone",
+                table: "merchant_staff",
+                columns: new[] { "TenantId", "MerchantId", "Phone" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchants_TenantId",
+                table: "merchants",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_metric_alert_rules_TenantId_MetricDefinitionId_Severity",
+                table: "metric_alert_rules",
+                columns: new[] { "TenantId", "MetricDefinitionId", "Severity" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_metric_definitions_TenantId_Code",
+                table: "metric_definitions",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_metric_snapshots_TenantId_MetricDefinitionId_DimensionKey_W~",
+                table: "metric_snapshots",
+                columns: new[] { "TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_navigation_requests_TenantId_UserId_StoreId_RequestedAt",
+                table: "navigation_requests",
+                columns: new[] { "TenantId", "UserId", "StoreId", "RequestedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_order_items_OrderId",
+                table: "order_items",
+                column: "OrderId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_order_items_TenantId_OrderId",
+                table: "order_items",
+                columns: new[] { "TenantId", "OrderId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_order_status_histories_TenantId_OrderId_OccurredAt",
+                table: "order_status_histories",
+                columns: new[] { "TenantId", "OrderId", "OccurredAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_orders_TenantId_OrderNo",
+                table: "orders",
+                columns: new[] { "TenantId", "OrderNo" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_orders_TenantId_StoreId_Status",
+                table: "orders",
+                columns: new[] { "TenantId", "StoreId", "Status" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_payment_records_TenantId_OrderId",
+                table: "payment_records",
+                columns: new[] { "TenantId", "OrderId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_payment_refund_records_TenantId_PaymentRecordId",
+                table: "payment_refund_records",
+                columns: new[] { "TenantId", "PaymentRecordId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_addon_groups_TenantId_ProductId_Name",
+                table: "product_addon_groups",
+                columns: new[] { "TenantId", "ProductId", "Name" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_attribute_groups_TenantId_StoreId_Name",
+                table: "product_attribute_groups",
+                columns: new[] { "TenantId", "StoreId", "Name" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_attribute_options_TenantId_AttributeGroupId_Name",
+                table: "product_attribute_options",
+                columns: new[] { "TenantId", "AttributeGroupId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_categories_TenantId_StoreId",
+                table: "product_categories",
+                columns: new[] { "TenantId", "StoreId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_pricing_rules_TenantId_ProductId_RuleType",
+                table: "product_pricing_rules",
+                columns: new[] { "TenantId", "ProductId", "RuleType" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_product_skus_TenantId_SkuCode",
+                table: "product_skus",
+                columns: new[] { "TenantId", "SkuCode" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_products_TenantId_SpuCode",
+                table: "products",
+                columns: new[] { "TenantId", "SpuCode" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_products_TenantId_StoreId",
+                table: "products",
+                columns: new[] { "TenantId", "StoreId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_queue_tickets_TenantId_StoreId",
+                table: "queue_tickets",
+                columns: new[] { "TenantId", "StoreId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_queue_tickets_TenantId_StoreId_TicketNumber",
+                table: "queue_tickets",
+                columns: new[] { "TenantId", "StoreId", "TicketNumber" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_refund_requests_TenantId_RefundNo",
+                table: "refund_requests",
+                columns: new[] { "TenantId", "RefundNo" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_reservations_TenantId_ReservationNo",
+                table: "reservations",
+                columns: new[] { "TenantId", "ReservationNo" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_reservations_TenantId_StoreId",
+                table: "reservations",
+                columns: new[] { "TenantId", "StoreId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_shopping_carts_TenantId_UserId_StoreId",
+                table: "shopping_carts",
+                columns: new[] { "TenantId", "UserId", "StoreId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_business_hours_TenantId_StoreId_DayOfWeek",
+                table: "store_business_hours",
+                columns: new[] { "TenantId", "StoreId", "DayOfWeek" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_delivery_zones_TenantId_StoreId_ZoneName",
+                table: "store_delivery_zones",
+                columns: new[] { "TenantId", "StoreId", "ZoneName" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_employee_shifts_TenantId_StoreId_ShiftDate_StaffId",
+                table: "store_employee_shifts",
+                columns: new[] { "TenantId", "StoreId", "ShiftDate", "StaffId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_holidays_TenantId_StoreId_Date",
+                table: "store_holidays",
+                columns: new[] { "TenantId", "StoreId", "Date" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_table_areas_TenantId_StoreId_Name",
+                table: "store_table_areas",
+                columns: new[] { "TenantId", "StoreId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_tables_TenantId_StoreId_TableCode",
+                table: "store_tables",
+                columns: new[] { "TenantId", "StoreId", "TableCode" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_TenantId_Code",
+                table: "stores",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_TenantId_MerchantId",
+                table: "stores",
+                columns: new[] { "TenantId", "MerchantId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_support_tickets_TenantId_TicketNo",
+                table: "support_tickets",
+                columns: new[] { "TenantId", "TicketNo" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_billing_statements_TenantId_StatementNo",
+                table: "tenant_billing_statements",
+                columns: new[] { "TenantId", "StatementNo" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_notifications_TenantId_Channel_SentAt",
+                table: "tenant_notifications",
+                columns: new[] { "TenantId", "Channel", "SentAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_quota_usages_TenantId_QuotaType",
+                table: "tenant_quota_usages",
+                columns: new[] { "TenantId", "QuotaType" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_subscriptions_TenantId_TenantPackageId",
+                table: "tenant_subscriptions",
+                columns: new[] { "TenantId", "TenantPackageId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenants_Code",
+                table: "tenants",
+                column: "Code",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ticket_comments_TenantId_SupportTicketId",
+                table: "ticket_comments",
+                columns: new[] { "TenantId", "SupportTicketId" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "affiliate_orders");
+
+            migrationBuilder.DropTable(
+                name: "affiliate_partners");
+
+            migrationBuilder.DropTable(
+                name: "affiliate_payouts");
+
+            migrationBuilder.DropTable(
+                name: "cart_item_addons");
+
+            migrationBuilder.DropTable(
+                name: "cart_items");
+
+            migrationBuilder.DropTable(
+                name: "chat_messages");
+
+            migrationBuilder.DropTable(
+                name: "chat_sessions");
+
+            migrationBuilder.DropTable(
+                name: "checkin_campaigns");
+
+            migrationBuilder.DropTable(
+                name: "checkin_records");
+
+            migrationBuilder.DropTable(
+                name: "checkout_sessions");
+
+            migrationBuilder.DropTable(
+                name: "community_comments");
+
+            migrationBuilder.DropTable(
+                name: "community_posts");
+
+            migrationBuilder.DropTable(
+                name: "community_reactions");
+
+            migrationBuilder.DropTable(
+                name: "coupon_templates");
+
+            migrationBuilder.DropTable(
+                name: "coupons");
+
+            migrationBuilder.DropTable(
+                name: "delivery_events");
+
+            migrationBuilder.DropTable(
+                name: "delivery_orders");
+
+            migrationBuilder.DropTable(
+                name: "group_orders");
+
+            migrationBuilder.DropTable(
+                name: "group_participants");
+
+            migrationBuilder.DropTable(
+                name: "inventory_adjustments");
+
+            migrationBuilder.DropTable(
+                name: "inventory_batches");
+
+            migrationBuilder.DropTable(
+                name: "inventory_items");
+
+            migrationBuilder.DropTable(
+                name: "map_locations");
+
+            migrationBuilder.DropTable(
+                name: "member_growth_logs");
+
+            migrationBuilder.DropTable(
+                name: "member_point_ledgers");
+
+            migrationBuilder.DropTable(
+                name: "member_profiles");
+
+            migrationBuilder.DropTable(
+                name: "member_tiers");
+
+            migrationBuilder.DropTable(
+                name: "merchant_contracts");
+
+            migrationBuilder.DropTable(
+                name: "merchant_documents");
+
+            migrationBuilder.DropTable(
+                name: "merchant_staff");
+
+            migrationBuilder.DropTable(
+                name: "merchants");
+
+            migrationBuilder.DropTable(
+                name: "metric_alert_rules");
+
+            migrationBuilder.DropTable(
+                name: "metric_definitions");
+
+            migrationBuilder.DropTable(
+                name: "metric_snapshots");
+
+            migrationBuilder.DropTable(
+                name: "navigation_requests");
+
+            migrationBuilder.DropTable(
+                name: "order_items");
+
+            migrationBuilder.DropTable(
+                name: "order_status_histories");
+
+            migrationBuilder.DropTable(
+                name: "payment_records");
+
+            migrationBuilder.DropTable(
+                name: "payment_refund_records");
+
+            migrationBuilder.DropTable(
+                name: "product_addon_groups");
+
+            migrationBuilder.DropTable(
+                name: "product_addon_options");
+
+            migrationBuilder.DropTable(
+                name: "product_attribute_groups");
+
+            migrationBuilder.DropTable(
+                name: "product_attribute_options");
+
+            migrationBuilder.DropTable(
+                name: "product_categories");
+
+            migrationBuilder.DropTable(
+                name: "product_media_assets");
+
+            migrationBuilder.DropTable(
+                name: "product_pricing_rules");
+
+            migrationBuilder.DropTable(
+                name: "product_skus");
+
+            migrationBuilder.DropTable(
+                name: "products");
+
+            migrationBuilder.DropTable(
+                name: "promotion_campaigns");
+
+            migrationBuilder.DropTable(
+                name: "queue_tickets");
+
+            migrationBuilder.DropTable(
+                name: "refund_requests");
+
+            migrationBuilder.DropTable(
+                name: "reservations");
+
+            migrationBuilder.DropTable(
+                name: "shopping_carts");
+
+            migrationBuilder.DropTable(
+                name: "store_business_hours");
+
+            migrationBuilder.DropTable(
+                name: "store_delivery_zones");
+
+            migrationBuilder.DropTable(
+                name: "store_employee_shifts");
+
+            migrationBuilder.DropTable(
+                name: "store_holidays");
+
+            migrationBuilder.DropTable(
+                name: "store_table_areas");
+
+            migrationBuilder.DropTable(
+                name: "store_tables");
+
+            migrationBuilder.DropTable(
+                name: "stores");
+
+            migrationBuilder.DropTable(
+                name: "support_tickets");
+
+            migrationBuilder.DropTable(
+                name: "tenant_billing_statements");
+
+            migrationBuilder.DropTable(
+                name: "tenant_notifications");
+
+            migrationBuilder.DropTable(
+                name: "tenant_packages");
+
+            migrationBuilder.DropTable(
+                name: "tenant_quota_usages");
+
+            migrationBuilder.DropTable(
+                name: "tenant_subscriptions");
+
+            migrationBuilder.DropTable(
+                name: "tenants");
+
+            migrationBuilder.DropTable(
+                name: "ticket_comments");
+
+            migrationBuilder.DropTable(
+                name: "orders");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251205113018_AddTenantVerificationProfile.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251205113018_AddTenantVerificationProfile.Designer.cs
new file mode 100644
index 0000000..4e3fa03
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251205113018_AddTenantVerificationProfile.Designer.cs
@@ -0,0 +1,6673 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251205113018_AddTenantVerificationProfile")]
+    partial class AddTenantVerificationProfile
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍可售卖。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251205113018_AddTenantVerificationProfile.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251205113018_AddTenantVerificationProfile.cs
new file mode 100644
index 0000000..107f741
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251205113018_AddTenantVerificationProfile.cs
@@ -0,0 +1,544 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantVerificationProfile : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<long>(
+                name: "StoreId",
+                table: "queue_tickets",
+                type: "bigint",
+                nullable: false,
+                comment: "获取或设置所属门店 ID。",
+                oldClrType: typeof(long),
+                oldType: "bigint");
+
+            migrationBuilder.AddColumn<int>(
+                name: "BatchConsumeStrategy",
+                table: "inventory_items",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "批次扣减策略。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsPresale",
+                table: "inventory_items",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false,
+                comment: "是否预售商品。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsSoldOut",
+                table: "inventory_items",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false,
+                comment: "是否标记售罄。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "MaxQuantityPerOrder",
+                table: "inventory_items",
+                type: "integer",
+                nullable: true,
+                comment: "单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "PresaleCapacity",
+                table: "inventory_items",
+                type: "integer",
+                nullable: true,
+                comment: "预售名额（上限）。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "PresaleEndTime",
+                table: "inventory_items",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "预售结束时间（UTC）。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "PresaleLocked",
+                table: "inventory_items",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "当前预售已锁定数量。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "PresaleStartTime",
+                table: "inventory_items",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "预售开始时间（UTC）。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "inventory_items",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制字段。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "inventory_batches",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制字段。");
+
+            migrationBuilder.AlterColumn<long>(
+                name: "OrderId",
+                table: "delivery_orders",
+                type: "bigint",
+                nullable: false,
+                comment: "获取或设置关联订单 ID。",
+                oldClrType: typeof(long),
+                oldType: "bigint");
+
+            migrationBuilder.CreateTable(
+                name: "inventory_lock_records",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店 ID。"),
+                    ProductSkuId = table.Column<long>(type: "bigint", nullable: false, comment: "SKU ID。"),
+                    Quantity = table.Column<int>(type: "integer", nullable: false, comment: "锁定数量。"),
+                    IsPresale = table.Column<bool>(type: "boolean", nullable: false, comment: "是否预售锁定。"),
+                    IdempotencyKey = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "幂等键。"),
+                    ExpiresAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "过期时间（UTC）。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "锁定状态。"),
+                    RowVersion = table.Column<byte[]>(type: "bytea", rowVersion: true, nullable: false, comment: "并发控制字段。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_inventory_lock_records", x => x.Id);
+                },
+                comment: "库存锁定记录。");
+
+            migrationBuilder.CreateTable(
+                name: "merchant_audit_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: false, comment: "商户标识。"),
+                    Action = table.Column<int>(type: "integer", nullable: false, comment: "动作类型。"),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "标题。"),
+                    Description = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: true, comment: "详情描述。"),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: true, comment: "操作人 ID。"),
+                    OperatorName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "操作人名称。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchant_audit_logs", x => x.Id);
+                },
+                comment: "商户入驻审核日志。");
+
+            migrationBuilder.CreateTable(
+                name: "merchant_categories",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "类目名称。"),
+                    DisplayOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 0, comment: "显示顺序，越小越靠前。"),
+                    IsActive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否可用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchant_categories", x => x.Id);
+                },
+                comment: "商户可选类目。");
+
+            migrationBuilder.CreateTable(
+                name: "store_pickup_settings",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    AllowToday = table.Column<bool>(type: "boolean", nullable: false, comment: "是否允许当天自提。"),
+                    AllowDaysAhead = table.Column<int>(type: "integer", nullable: false, comment: "可预约天数（含当天）。"),
+                    DefaultCutoffMinutes = table.Column<int>(type: "integer", nullable: false, defaultValue: 30, comment: "默认截单分钟（开始前多少分钟截止）。"),
+                    MaxQuantityPerOrder = table.Column<int>(type: "integer", nullable: true, comment: "单笔自提最大份数。"),
+                    RowVersion = table.Column<byte[]>(type: "bytea", rowVersion: true, nullable: false, comment: "并发控制字段。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_pickup_settings", x => x.Id);
+                },
+                comment: "门店自提配置。");
+
+            migrationBuilder.CreateTable(
+                name: "store_pickup_slots",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "档期名称。"),
+                    StartTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "当天开始时间（UTC）。"),
+                    EndTime = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "当天结束时间（UTC）。"),
+                    CutoffMinutes = table.Column<int>(type: "integer", nullable: false, defaultValue: 30, comment: "截单分钟（开始前多少分钟截止）。"),
+                    Capacity = table.Column<int>(type: "integer", nullable: false, comment: "容量（份数）。"),
+                    ReservedCount = table.Column<int>(type: "integer", nullable: false, comment: "已占用数量。"),
+                    Weekdays = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false, comment: "适用星期（逗号分隔 1-7）。"),
+                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
+                    RowVersion = table.Column<byte[]>(type: "bytea", rowVersion: true, nullable: false, comment: "并发控制字段。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_pickup_slots", x => x.Id);
+                },
+                comment: "门店自提档期。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_announcement_reads",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    AnnouncementId = table.Column<long>(type: "bigint", nullable: false, comment: "公告 ID。"),
+                    UserId = table.Column<long>(type: "bigint", nullable: true, comment: "已读用户 ID（后台账号），为空表示租户级已读。"),
+                    ReadAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "已读时间。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_announcement_reads", x => x.Id);
+                },
+                comment: "租户公告已读记录。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_announcements",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "公告标题。"),
+                    Content = table.Column<string>(type: "text", nullable: false, comment: "公告正文（可为 Markdown/HTML，前端自行渲染）。"),
+                    AnnouncementType = table.Column<int>(type: "integer", nullable: false, comment: "公告类型。"),
+                    Priority = table.Column<int>(type: "integer", nullable: false, comment: "展示优先级，数值越大越靠前。"),
+                    EffectiveFrom = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "生效时间（UTC）。"),
+                    EffectiveTo = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "失效时间（UTC），为空表示长期有效。"),
+                    IsActive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_announcements", x => x.Id);
+                },
+                comment: "租户公告。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_audit_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "关联的租户标识。"),
+                    Action = table.Column<int>(type: "integer", nullable: false, comment: "操作类型。"),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "日志标题。"),
+                    Description = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: true, comment: "详细描述。"),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: true, comment: "操作人 ID。"),
+                    OperatorName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "操作人名称。"),
+                    PreviousStatus = table.Column<int>(type: "integer", nullable: true, comment: "原状态。"),
+                    CurrentStatus = table.Column<int>(type: "integer", nullable: true, comment: "新状态。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_audit_logs", x => x.Id);
+                },
+                comment: "租户运营审核日志。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_subscription_histories",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "租户标识。"),
+                    TenantSubscriptionId = table.Column<long>(type: "bigint", nullable: false, comment: "对应的订阅 ID。"),
+                    FromPackageId = table.Column<long>(type: "bigint", nullable: false, comment: "原套餐 ID。"),
+                    ToPackageId = table.Column<long>(type: "bigint", nullable: false, comment: "新套餐 ID。"),
+                    ChangeType = table.Column<int>(type: "integer", nullable: false, comment: "变更类型。"),
+                    EffectiveFrom = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "生效时间。"),
+                    EffectiveTo = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "到期时间。"),
+                    Amount = table.Column<decimal>(type: "numeric", nullable: true, comment: "相关费用。"),
+                    Currency = table.Column<string>(type: "character varying(8)", maxLength: 8, nullable: true, comment: "币种。"),
+                    Notes = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_subscription_histories", x => x.Id);
+                },
+                comment: "租户套餐订阅变更记录。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_verification_profiles",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "对应的租户标识。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "实名状态。"),
+                    BusinessLicenseNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "营业执照编号。"),
+                    BusinessLicenseUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "营业执照文件地址。"),
+                    LegalPersonName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "法人姓名。"),
+                    LegalPersonIdNumber = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: true, comment: "法人身份证号。"),
+                    LegalPersonIdFrontUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "法人身份证正面。"),
+                    LegalPersonIdBackUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "法人身份证反面。"),
+                    BankAccountName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "开户名。"),
+                    BankAccountNumber = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "银行账号。"),
+                    BankName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "银行名称。"),
+                    AdditionalDataJson = table.Column<string>(type: "text", nullable: true, comment: "附加资料（JSON）。"),
+                    SubmittedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "提交时间。"),
+                    ReviewedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "审核时间。"),
+                    ReviewedBy = table.Column<long>(type: "bigint", nullable: true, comment: "审核人 ID。"),
+                    ReviewedByName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "审核人姓名。"),
+                    ReviewRemarks = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "审核备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_verification_profiles", x => x.Id);
+                },
+                comment: "租户实名认证资料。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_inventory_lock_records_TenantId_IdempotencyKey",
+                table: "inventory_lock_records",
+                columns: new[] { "TenantId", "IdempotencyKey" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_inventory_lock_records_TenantId_StoreId_ProductSkuId_Status",
+                table: "inventory_lock_records",
+                columns: new[] { "TenantId", "StoreId", "ProductSkuId", "Status" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_audit_logs_TenantId_MerchantId",
+                table: "merchant_audit_logs",
+                columns: new[] { "TenantId", "MerchantId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_categories_TenantId_Name",
+                table: "merchant_categories",
+                columns: new[] { "TenantId", "Name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_pickup_settings_TenantId_StoreId",
+                table: "store_pickup_settings",
+                columns: new[] { "TenantId", "StoreId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_pickup_slots_TenantId_StoreId_Name",
+                table: "store_pickup_slots",
+                columns: new[] { "TenantId", "StoreId", "Name" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_announcement_reads_TenantId_AnnouncementId_UserId",
+                table: "tenant_announcement_reads",
+                columns: new[] { "TenantId", "AnnouncementId", "UserId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_announcements_TenantId_AnnouncementType_IsActive",
+                table: "tenant_announcements",
+                columns: new[] { "TenantId", "AnnouncementType", "IsActive" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_announcements_TenantId_EffectiveFrom_EffectiveTo",
+                table: "tenant_announcements",
+                columns: new[] { "TenantId", "EffectiveFrom", "EffectiveTo" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_audit_logs_TenantId",
+                table: "tenant_audit_logs",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_subscription_histories_TenantId_TenantSubscriptionId",
+                table: "tenant_subscription_histories",
+                columns: new[] { "TenantId", "TenantSubscriptionId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_verification_profiles_TenantId",
+                table: "tenant_verification_profiles",
+                column: "TenantId",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "inventory_lock_records");
+
+            migrationBuilder.DropTable(
+                name: "merchant_audit_logs");
+
+            migrationBuilder.DropTable(
+                name: "merchant_categories");
+
+            migrationBuilder.DropTable(
+                name: "store_pickup_settings");
+
+            migrationBuilder.DropTable(
+                name: "store_pickup_slots");
+
+            migrationBuilder.DropTable(
+                name: "tenant_announcement_reads");
+
+            migrationBuilder.DropTable(
+                name: "tenant_announcements");
+
+            migrationBuilder.DropTable(
+                name: "tenant_audit_logs");
+
+            migrationBuilder.DropTable(
+                name: "tenant_subscription_histories");
+
+            migrationBuilder.DropTable(
+                name: "tenant_verification_profiles");
+
+            migrationBuilder.DropColumn(
+                name: "BatchConsumeStrategy",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "IsPresale",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "IsSoldOut",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "MaxQuantityPerOrder",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "PresaleCapacity",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "PresaleEndTime",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "PresaleLocked",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "PresaleStartTime",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "inventory_items");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "inventory_batches");
+
+            migrationBuilder.AlterColumn<long>(
+                name: "StoreId",
+                table: "queue_tickets",
+                type: "bigint",
+                nullable: false,
+                oldClrType: typeof(long),
+                oldType: "bigint",
+                oldComment: "获取或设置所属门店 ID。");
+
+            migrationBuilder.AlterColumn<long>(
+                name: "OrderId",
+                table: "delivery_orders",
+                type: "bigint",
+                nullable: false,
+                oldClrType: typeof(long),
+                oldType: "bigint",
+                oldComment: "获取或设置关联订单 ID。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251211150000_AddTenantPackageSortOrder.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251211150000_AddTenantPackageSortOrder.cs
new file mode 100644
index 0000000..8233f91
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251211150000_AddTenantPackageSortOrder.cs
@@ -0,0 +1,50 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <summary>
+    /// 为租户套餐新增排序字段与索引的迁移。
+    /// </summary>
+    /// <inheritdoc />
+    public partial class AddTenantPackageSortOrder : Migration
+    {
+        /// <summary>
+        /// 升级：新增排序列并创建索引。
+        /// </summary>
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // 1. 新增排序列，默认 0
+            migrationBuilder.AddColumn<int>(
+                name: "SortOrder",
+                table: "tenant_packages",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "展示排序，数值越小越靠前。");
+
+            // 2. 创建可售+排序索引用于前台查询
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_packages_IsActive_SortOrder",
+                table: "tenant_packages",
+                columns: new[] { "IsActive", "SortOrder" });
+        }
+
+        /// <summary>
+        /// 回滚：删除索引并移除排序列。
+        /// </summary>
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            // 1. 移除索引
+            migrationBuilder.DropIndex(
+                name: "IX_tenant_packages_IsActive_SortOrder",
+                table: "tenant_packages");
+
+            // 2. 回滚排序列
+            migrationBuilder.DropColumn(
+                name: "SortOrder",
+                table: "tenant_packages");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.Designer.cs
new file mode 100644
index 0000000..c4c5ccf
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.Designer.cs
@@ -0,0 +1,6684 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251212135400_AddTenantContactPhoneUniqueIndex")]
+    partial class AddTenantContactPhoneUniqueIndex
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍可售卖。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.cs
new file mode 100644
index 0000000..5e5f6ea
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251212135400_AddTenantContactPhoneUniqueIndex.cs
@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantContactPhoneUniqueIndex : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_tenants_ContactPhone",
+                table: "tenants",
+                column: "ContactPhone",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_tenants_ContactPhone",
+                table: "tenants");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215023947_AddTenantReviewClaim.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215023947_AddTenantReviewClaim.Designer.cs
new file mode 100644
index 0000000..81eba04
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215023947_AddTenantReviewClaim.Designer.cs
@@ -0,0 +1,6753 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251215023947_AddTenantReviewClaim")]
+    partial class AddTenantReviewClaim
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍可售卖。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215023947_AddTenantReviewClaim.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215023947_AddTenantReviewClaim.cs
new file mode 100644
index 0000000..079bbe7
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215023947_AddTenantReviewClaim.cs
@@ -0,0 +1,59 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantReviewClaim : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "tenant_review_claims",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "被领取的租户 ID。"),
+                    ClaimedBy = table.Column<long>(type: "bigint", nullable: false, comment: "领取人用户 ID。"),
+                    ClaimedByName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "领取人名称（展示用快照）。"),
+                    ClaimedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "领取时间（UTC）。"),
+                    ReleasedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "释放时间（UTC），未释放时为 null。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_review_claims", x => x.Id);
+                },
+                comment: "租户入驻审核领取记录（防止多管理员并发审核）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_review_claims_ClaimedBy",
+                table: "tenant_review_claims",
+                column: "ClaimedBy");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_review_claims_TenantId",
+                table: "tenant_review_claims",
+                column: "TenantId",
+                unique: true,
+                filter: "\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "tenant_review_claims");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215092810_AddTenantPackagePublishAndVisibility.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215092810_AddTenantPackagePublishAndVisibility.Designer.cs
new file mode 100644
index 0000000..eedb01b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215092810_AddTenantPackagePublishAndVisibility.Designer.cs
@@ -0,0 +1,6772 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251215092810_AddTenantPackagePublishAndVisibility")]
+    partial class AddTenantPackagePublishAndVisibility
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(1)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215092810_AddTenantPackagePublishAndVisibility.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215092810_AddTenantPackagePublishAndVisibility.cs
new file mode 100644
index 0000000..a2a4156
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215092810_AddTenantPackagePublishAndVisibility.cs
@@ -0,0 +1,107 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantPackagePublishAndVisibility : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "LogoUrl",
+                table: "tenants",
+                type: "text",
+                nullable: true,
+                comment: "LOGO 图片地址。",
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true,
+                oldComment: "LOGO 图片地址。");
+
+            migrationBuilder.AlterColumn<bool>(
+                name: "IsActive",
+                table: "tenant_packages",
+                type: "boolean",
+                nullable: false,
+                comment: "是否仍启用（平台控制）。",
+                oldClrType: typeof(bool),
+                oldType: "boolean",
+                oldComment: "是否仍可售卖。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsAllowNewTenantPurchase",
+                table: "tenant_packages",
+                type: "boolean",
+                nullable: false,
+                defaultValue: true,
+                comment: "是否允许新租户购买/选择（仅影响新购）。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsPublicVisible",
+                table: "tenant_packages",
+                type: "boolean",
+                nullable: false,
+                defaultValue: true,
+                comment: "是否对外可见（展示页/套餐列表可见性）。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "PublishStatus",
+                table: "tenant_packages",
+                type: "integer",
+                nullable: false,
+                defaultValue: 1,
+                comment: "发布状态：0=草稿，1=已发布。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_packages_PublishStatus_IsActive_IsPublicVisible_IsAl~",
+                table: "tenant_packages",
+                columns: new[] { "PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_tenant_packages_PublishStatus_IsActive_IsPublicVisible_IsAl~",
+                table: "tenant_packages");
+
+            migrationBuilder.DropColumn(
+                name: "IsAllowNewTenantPurchase",
+                table: "tenant_packages");
+
+            migrationBuilder.DropColumn(
+                name: "IsPublicVisible",
+                table: "tenant_packages");
+
+            migrationBuilder.DropColumn(
+                name: "PublishStatus",
+                table: "tenant_packages");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "LogoUrl",
+                table: "tenants",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                comment: "LOGO 图片地址。",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true,
+                oldComment: "LOGO 图片地址。");
+
+            migrationBuilder.AlterColumn<bool>(
+                name: "IsActive",
+                table: "tenant_packages",
+                type: "boolean",
+                nullable: false,
+                comment: "是否仍可售卖。",
+                oldClrType: typeof(bool),
+                oldType: "boolean",
+                oldComment: "是否仍启用（平台控制）。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215130235_ChangeTenantPackageDefaults.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215130235_ChangeTenantPackageDefaults.Designer.cs
new file mode 100644
index 0000000..8dace28
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215130235_ChangeTenantPackageDefaults.Designer.cs
@@ -0,0 +1,6772 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251215130235_ChangeTenantPackageDefaults")]
+    partial class ChangeTenantPackageDefaults
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215130235_ChangeTenantPackageDefaults.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215130235_ChangeTenantPackageDefaults.cs
new file mode 100644
index 0000000..9ec4401
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215130235_ChangeTenantPackageDefaults.cs
@@ -0,0 +1,42 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChangeTenantPackageDefaults : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<int>(
+                name: "PublishStatus",
+                table: "tenant_packages",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "发布状态：0=草稿，1=已发布。",
+                oldClrType: typeof(int),
+                oldType: "integer",
+                oldDefaultValue: 1,
+                oldComment: "发布状态：0=草稿，1=已发布。");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<int>(
+                name: "PublishStatus",
+                table: "tenant_packages",
+                type: "integer",
+                nullable: false,
+                defaultValue: 1,
+                comment: "发布状态：0=草稿，1=已发布。",
+                oldClrType: typeof(int),
+                oldType: "integer",
+                oldDefaultValue: 0,
+                oldComment: "发布状态：0=草稿，1=已发布。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215143054_AddTenantPackageRecommendationAndTags.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215143054_AddTenantPackageRecommendationAndTags.Designer.cs
new file mode 100644
index 0000000..712b8b3
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215143054_AddTenantPackageRecommendationAndTags.Designer.cs
@@ -0,0 +1,6783 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251215143054_AddTenantPackageRecommendationAndTags")]
+    partial class AddTenantPackageRecommendationAndTags
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215143054_AddTenantPackageRecommendationAndTags.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215143054_AddTenantPackageRecommendationAndTags.cs
new file mode 100644
index 0000000..ef0c6c2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251215143054_AddTenantPackageRecommendationAndTags.cs
@@ -0,0 +1,42 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantPackageRecommendationAndTags : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "IsRecommended",
+                table: "tenant_packages",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false,
+                comment: "是否推荐展示（运营推荐标识）。");
+
+            migrationBuilder.AddColumn<string[]>(
+                name: "Tags",
+                table: "tenant_packages",
+                type: "text[]",
+                nullable: false,
+                defaultValue: new string[0],
+                comment: "套餐标签（用于展示与对比页）。");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "IsRecommended",
+                table: "tenant_packages");
+
+            migrationBuilder.DropColumn(
+                name: "Tags",
+                table: "tenant_packages");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217092209_AddQuotaPackagesAndPayments.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217092209_AddQuotaPackagesAndPayments.Designer.cs
new file mode 100644
index 0000000..7d2d1ea
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217092209_AddQuotaPackagesAndPayments.Designer.cs
@@ -0,0 +1,7101 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251217092209_AddQuotaPackagesAndPayments")]
+    partial class AddQuotaPackagesAndPayments
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217092209_AddQuotaPackagesAndPayments.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217092209_AddQuotaPackagesAndPayments.cs
new file mode 100644
index 0000000..79238e8
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217092209_AddQuotaPackagesAndPayments.cs
@@ -0,0 +1,164 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddQuotaPackagesAndPayments : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "operation_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OperationType = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "操作类型：BatchExtend, BatchRemind, StatusChange 等。"),
+                    TargetType = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "目标类型：Subscription, Bill 等。"),
+                    TargetIds = table.Column<string>(type: "text", nullable: true, comment: "目标ID列表（JSON）。"),
+                    OperatorId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "操作人ID。"),
+                    OperatorName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "操作人名称。"),
+                    Parameters = table.Column<string>(type: "text", nullable: true, comment: "操作参数（JSON）。"),
+                    Result = table.Column<string>(type: "text", nullable: true, comment: "操作结果（JSON）。"),
+                    Success = table.Column<bool>(type: "boolean", nullable: false, comment: "是否成功。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_operation_logs", x => x.Id);
+                },
+                comment: "运营操作日志。");
+
+            migrationBuilder.CreateTable(
+                name: "quota_packages",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "配额包名称。"),
+                    QuotaType = table.Column<int>(type: "integer", nullable: false, comment: "配额类型。"),
+                    QuotaValue = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "配额数值。"),
+                    Price = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "价格。"),
+                    IsActive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否上架。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 0, comment: "排序。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "描述。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_quota_packages", x => x.Id);
+                },
+                comment: "配额包定义（平台提供的可购买配额包）。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_payments",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    BillingStatementId = table.Column<long>(type: "bigint", nullable: false, comment: "关联的账单 ID。"),
+                    Amount = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "支付金额。"),
+                    Method = table.Column<int>(type: "integer", nullable: false, comment: "支付方式。"),
+                    Status = table.Column<int>(type: "integer", nullable: false, comment: "支付状态。"),
+                    TransactionNo = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "交易号。"),
+                    ProofUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "支付凭证 URL。"),
+                    PaidAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "支付时间。"),
+                    Notes = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注信息。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_payments", x => x.Id);
+                },
+                comment: "租户支付记录。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_quota_package_purchases",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    QuotaPackageId = table.Column<long>(type: "bigint", nullable: false, comment: "配额包 ID。"),
+                    QuotaValue = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "购买时的配额值。"),
+                    Price = table.Column<decimal>(type: "numeric(18,2)", precision: 18, scale: 2, nullable: false, comment: "购买价格。"),
+                    PurchasedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "购买时间。"),
+                    ExpiredAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "过期时间（可选）。"),
+                    Notes = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_quota_package_purchases", x => x.Id);
+                },
+                comment: "租户配额包购买记录。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_operation_logs_CreatedAt",
+                table: "operation_logs",
+                column: "CreatedAt");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_operation_logs_OperationType_CreatedAt",
+                table: "operation_logs",
+                columns: new[] { "OperationType", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_quota_packages_QuotaType_IsActive_SortOrder",
+                table: "quota_packages",
+                columns: new[] { "QuotaType", "IsActive", "SortOrder" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_payments_TenantId_BillingStatementId",
+                table: "tenant_payments",
+                columns: new[] { "TenantId", "BillingStatementId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_quota_package_purchases_TenantId_QuotaPackageId_Purc~",
+                table: "tenant_quota_package_purchases",
+                columns: new[] { "TenantId", "QuotaPackageId", "PurchasedAt" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "operation_logs");
+
+            migrationBuilder.DropTable(
+                name: "quota_packages");
+
+            migrationBuilder.DropTable(
+                name: "tenant_payments");
+
+            migrationBuilder.DropTable(
+                name: "tenant_quota_package_purchases");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217160046_UpdateTenantBillingSchema.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217160046_UpdateTenantBillingSchema.Designer.cs
new file mode 100644
index 0000000..45e6d39
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217160046_UpdateTenantBillingSchema.Designer.cs
@@ -0,0 +1,7174 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251217160046_UpdateTenantBillingSchema")]
+    partial class UpdateTenantBillingSchema
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217160046_UpdateTenantBillingSchema.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217160046_UpdateTenantBillingSchema.cs
new file mode 100644
index 0000000..6a882f2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251217160046_UpdateTenantBillingSchema.cs
@@ -0,0 +1,237 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class UpdateTenantBillingSchema : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "RefundReason",
+                table: "tenant_payments",
+                type: "character varying(512)",
+                maxLength: 512,
+                nullable: true,
+                comment: "退款原因。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "RefundedAt",
+                table: "tenant_payments",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "退款时间。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "VerifiedAt",
+                table: "tenant_payments",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "审核时间。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "VerifiedBy",
+                table: "tenant_payments",
+                type: "bigint",
+                nullable: true,
+                comment: "审核人 ID（管理员）。");
+
+            migrationBuilder.AlterColumn<decimal>(
+                name: "AmountDue",
+                table: "tenant_billing_statements",
+                type: "numeric(18,2)",
+                precision: 18,
+                scale: 2,
+                nullable: false,
+                comment: "应付金额（原始金额）。",
+                oldClrType: typeof(decimal),
+                oldType: "numeric(18,2)",
+                oldPrecision: 18,
+                oldScale: 2,
+                oldComment: "应付金额。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "BillingType",
+                table: "tenant_billing_statements",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Currency",
+                table: "tenant_billing_statements",
+                type: "character varying(8)",
+                maxLength: 8,
+                nullable: false,
+                defaultValue: "CNY",
+                comment: "货币类型（默认 CNY）。");
+
+            migrationBuilder.AddColumn<decimal>(
+                name: "DiscountAmount",
+                table: "tenant_billing_statements",
+                type: "numeric(18,2)",
+                precision: 18,
+                scale: 2,
+                nullable: false,
+                defaultValue: 0m,
+                comment: "折扣金额。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Notes",
+                table: "tenant_billing_statements",
+                type: "character varying(512)",
+                maxLength: 512,
+                nullable: true,
+                comment: "备注信息（如：人工备注、取消原因等）。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "OverdueNotifiedAt",
+                table: "tenant_billing_statements",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "逾期通知时间。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ReminderSentAt",
+                table: "tenant_billing_statements",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "提醒发送时间（续费提醒、逾期提醒等）。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "SubscriptionId",
+                table: "tenant_billing_statements",
+                type: "bigint",
+                nullable: true,
+                comment: "关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+            migrationBuilder.AddColumn<decimal>(
+                name: "TaxAmount",
+                table: "tenant_billing_statements",
+                type: "numeric(18,2)",
+                precision: 18,
+                scale: 2,
+                nullable: false,
+                defaultValue: 0m,
+                comment: "税费金额。");
+
+            migrationBuilder.CreateIndex(
+                name: "idx_payment_billing_paidat",
+                table: "tenant_payments",
+                columns: new[] { "BillingStatementId", "PaidAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "idx_payment_transaction_no",
+                table: "tenant_payments",
+                column: "TransactionNo",
+                filter: "\"TransactionNo\" IS NOT NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "idx_billing_created_at",
+                table: "tenant_billing_statements",
+                column: "CreatedAt");
+
+            migrationBuilder.CreateIndex(
+                name: "idx_billing_status_duedate",
+                table: "tenant_billing_statements",
+                columns: new[] { "Status", "DueDate" },
+                filter: "\"Status\" IN (0, 2)");
+
+            migrationBuilder.CreateIndex(
+                name: "idx_billing_tenant_status_duedate",
+                table: "tenant_billing_statements",
+                columns: new[] { "TenantId", "Status", "DueDate" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "idx_payment_billing_paidat",
+                table: "tenant_payments");
+
+            migrationBuilder.DropIndex(
+                name: "idx_payment_transaction_no",
+                table: "tenant_payments");
+
+            migrationBuilder.DropIndex(
+                name: "idx_billing_created_at",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropIndex(
+                name: "idx_billing_status_duedate",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropIndex(
+                name: "idx_billing_tenant_status_duedate",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "RefundReason",
+                table: "tenant_payments");
+
+            migrationBuilder.DropColumn(
+                name: "RefundedAt",
+                table: "tenant_payments");
+
+            migrationBuilder.DropColumn(
+                name: "VerifiedAt",
+                table: "tenant_payments");
+
+            migrationBuilder.DropColumn(
+                name: "VerifiedBy",
+                table: "tenant_payments");
+
+            migrationBuilder.DropColumn(
+                name: "BillingType",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "Currency",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "DiscountAmount",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "Notes",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "OverdueNotifiedAt",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "ReminderSentAt",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "SubscriptionId",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.DropColumn(
+                name: "TaxAmount",
+                table: "tenant_billing_statements");
+
+            migrationBuilder.AlterColumn<decimal>(
+                name: "AmountDue",
+                table: "tenant_billing_statements",
+                type: "numeric(18,2)",
+                precision: 18,
+                scale: 2,
+                nullable: false,
+                comment: "应付金额。",
+                oldClrType: typeof(decimal),
+                oldType: "numeric(18,2)",
+                oldPrecision: 18,
+                oldScale: 2,
+                oldComment: "应付金额（原始金额）。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251218121053_AddTenantQuotaUsageHistories.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251218121053_AddTenantQuotaUsageHistories.Designer.cs
new file mode 100644
index 0000000..8d634ae
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251218121053_AddTenantQuotaUsageHistories.Designer.cs
@@ -0,0 +1,7252 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251218121053_AddTenantQuotaUsageHistories")]
+    partial class AddTenantQuotaUsageHistories
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251218121053_AddTenantQuotaUsageHistories.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251218121053_AddTenantQuotaUsageHistories.cs
new file mode 100644
index 0000000..9a9fdb4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251218121053_AddTenantQuotaUsageHistories.cs
@@ -0,0 +1,60 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantQuotaUsageHistories : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "tenant_quota_usage_histories",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    QuotaType = table.Column<int>(type: "integer", nullable: false, comment: "配额类型。"),
+                    UsedValue = table.Column<decimal>(type: "numeric", nullable: false, comment: "已使用值（记录时刻的快照）。"),
+                    LimitValue = table.Column<decimal>(type: "numeric", nullable: false, comment: "限额值（记录时刻的快照）。"),
+                    RecordedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "记录时间（UTC）。"),
+                    ChangeType = table.Column<int>(type: "integer", nullable: false, comment: "变更类型。"),
+                    ChangeAmount = table.Column<decimal>(type: "numeric", nullable: true, comment: "变更量（可选）。"),
+                    ChangeReason = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "变更原因（可选）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_quota_usage_histories", x => x.Id);
+                },
+                comment: "租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_quota_usage_histories_TenantId_QuotaType_RecordedAt",
+                table: "tenant_quota_usage_histories",
+                columns: new[] { "TenantId", "QuotaType", "RecordedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_quota_usage_histories_TenantId_RecordedAt",
+                table: "tenant_quota_usage_histories",
+                columns: new[] { "TenantId", "RecordedAt" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "tenant_quota_usage_histories");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251220160000_AddTenantAnnouncementStatusAndPublisher.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251220160000_AddTenantAnnouncementStatusAndPublisher.Designer.cs
new file mode 100644
index 0000000..2692389
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251220160000_AddTenantAnnouncementStatusAndPublisher.Designer.cs
@@ -0,0 +1,7298 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251220160000_AddTenantAnnouncementStatusAndPublisher")]
+    partial class AddTenantAnnouncementStatusAndPublisher
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
+
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251220160000_AddTenantAnnouncementStatusAndPublisher.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251220160000_AddTenantAnnouncementStatusAndPublisher.cs
new file mode 100644
index 0000000..4839ea5
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251220160000_AddTenantAnnouncementStatusAndPublisher.cs
@@ -0,0 +1,146 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTenantAnnouncementStatusAndPublisher : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "PublisherScope",
+                table: "tenant_announcements",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "发布者范围。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "PublisherUserId",
+                table: "tenant_announcements",
+                type: "bigint",
+                nullable: true,
+                comment: "发布者用户 ID（平台或租户后台账号）。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "Status",
+                table: "tenant_announcements",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "公告状态。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "PublishedAt",
+                table: "tenant_announcements",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "实际发布时间（UTC）。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "RevokedAt",
+                table: "tenant_announcements",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "撤销时间（UTC）。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ScheduledPublishAt",
+                table: "tenant_announcements",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "预定发布时间（UTC）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "TargetType",
+                table: "tenant_announcements",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                defaultValue: "",
+                comment: "目标受众类型。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "TargetParameters",
+                table: "tenant_announcements",
+                type: "text",
+                nullable: true,
+                comment: "目标受众参数（JSON）。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "tenant_announcements",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制字段。");
+
+            migrationBuilder.Sql(
+                "UPDATE tenant_announcements SET \"Status\" = CASE WHEN \"IsActive\" THEN 1 ELSE 0 END;");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_announcements_TenantId_Status_EffectiveFrom",
+                table: "tenant_announcements",
+                columns: new[] { "TenantId", "Status", "EffectiveFrom" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_announcements_Status_EffectiveFrom_Platform",
+                table: "tenant_announcements",
+                columns: new[] { "Status", "EffectiveFrom" },
+                filter: "\"TenantId\" = 0");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_tenant_announcements_TenantId_Status_EffectiveFrom",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropIndex(
+                name: "IX_tenant_announcements_Status_EffectiveFrom_Platform",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "PublisherScope",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "PublisherUserId",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "Status",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "PublishedAt",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "RevokedAt",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "ScheduledPublishAt",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "TargetType",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "TargetParameters",
+                table: "tenant_announcements");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "tenant_announcements");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251225090000_AddTenantAnnouncementRowVersionTrigger.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251225090000_AddTenantAnnouncementRowVersionTrigger.cs
new file mode 100644
index 0000000..8dfaf44
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251225090000_AddTenantAnnouncementRowVersionTrigger.cs
@@ -0,0 +1,54 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251225090000_AddTenantAnnouncementRowVersionTrigger")]
+    public partial class AddTenantAnnouncementRowVersionTrigger : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                """
+                CREATE OR REPLACE FUNCTION public.set_tenant_announcement_row_version()
+                RETURNS trigger AS $$
+                BEGIN
+                    NEW."RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex');
+                    RETURN NEW;
+                END;
+                $$ LANGUAGE plpgsql;
+                """);
+
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_tenant_announcements_row_version ON tenant_announcements;
+                CREATE TRIGGER trg_tenant_announcements_row_version
+                BEFORE INSERT OR UPDATE ON tenant_announcements
+                FOR EACH ROW EXECUTE FUNCTION public.set_tenant_announcement_row_version();
+                """);
+
+            migrationBuilder.Sql(
+                """
+                UPDATE tenant_announcements
+                SET "RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex')
+                WHERE "RowVersion" IS NULL OR octet_length("RowVersion") = 0;
+                """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_tenant_announcements_row_version ON tenant_announcements;
+                DROP FUNCTION IF EXISTS public.set_tenant_announcement_row_version();
+                """);
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251229071911_AddMerchantManagement.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251229071911_AddMerchantManagement.Designer.cs
new file mode 100644
index 0000000..36c3016
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251229071911_AddMerchantManagement.Designer.cs
@@ -0,0 +1,7080 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251229071911_AddMerchantManagement")]
+    partial class AddMerchantManagement
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<long?>("ApprovedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核通过人。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<DateTime?>("ClaimExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取过期时间。");
+
+                    b.Property<DateTime?>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间。");
+
+                    b.Property<long?>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("当前领取人。");
+
+                    b.Property<string>("ClaimedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("当前领取人姓名。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("FrozenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("冻结时间。");
+
+                    b.Property<string>("FrozenReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("冻结原因。");
+
+                    b.Property<bool>("IsFrozen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否冻结业务。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<long?>("LastReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最近一次审核人。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制版本。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Status");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店营业执照图片地址（主体不一致模式使用）。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("门店营业执照号（主体不一致模式使用）。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<string>("LegalRepresentative")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("门店法人（主体不一致模式使用）。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("RegisteredAddress")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店注册地址（主体不一致模式使用）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MerchantId", "BusinessLicenseNumber")
+                        .IsUnique()
+                        .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251229071911_AddMerchantManagement.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251229071911_AddMerchantManagement.cs
new file mode 100644
index 0000000..dcf8f5b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251229071911_AddMerchantManagement.cs
@@ -0,0 +1,244 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddMerchantManagement : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "OperatingMode",
+                table: "tenants",
+                type: "integer",
+                nullable: true,
+                comment: "经营模式（同一主体/不同主体）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "BusinessLicenseImageUrl",
+                table: "stores",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "门店营业执照图片地址（主体不一致模式使用）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "BusinessLicenseNumber",
+                table: "stores",
+                type: "character varying(50)",
+                maxLength: 50,
+                nullable: true,
+                comment: "门店营业执照号（主体不一致模式使用）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "LegalRepresentative",
+                table: "stores",
+                type: "character varying(100)",
+                maxLength: 100,
+                nullable: true,
+                comment: "门店法人（主体不一致模式使用）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "RegisteredAddress",
+                table: "stores",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "门店注册地址（主体不一致模式使用）。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ApprovedAt",
+                table: "merchants",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "审核通过时间。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "ApprovedBy",
+                table: "merchants",
+                type: "bigint",
+                nullable: true,
+                comment: "审核通过人。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ClaimExpiresAt",
+                table: "merchants",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "领取过期时间。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ClaimedAt",
+                table: "merchants",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "领取时间。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "ClaimedBy",
+                table: "merchants",
+                type: "bigint",
+                nullable: true,
+                comment: "当前领取人。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "ClaimedByName",
+                table: "merchants",
+                type: "character varying(100)",
+                maxLength: 100,
+                nullable: true,
+                comment: "当前领取人姓名。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "FrozenAt",
+                table: "merchants",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "冻结时间。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "FrozenReason",
+                table: "merchants",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "冻结原因。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsFrozen",
+                table: "merchants",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false,
+                comment: "是否冻结业务。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "LastReviewedBy",
+                table: "merchants",
+                type: "bigint",
+                nullable: true,
+                comment: "最近一次审核人。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "OperatingMode",
+                table: "merchants",
+                type: "integer",
+                nullable: true,
+                comment: "经营模式（同一主体/不同主体）。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "merchants",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制版本。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_MerchantId_BusinessLicenseNumber",
+                table: "stores",
+                columns: new[] { "MerchantId", "BusinessLicenseNumber" },
+                unique: true,
+                filter: "\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchants_ClaimedBy",
+                table: "merchants",
+                column: "ClaimedBy");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchants_TenantId_Status",
+                table: "merchants",
+                columns: new[] { "TenantId", "Status" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_stores_MerchantId_BusinessLicenseNumber",
+                table: "stores");
+
+            migrationBuilder.DropIndex(
+                name: "IX_merchants_ClaimedBy",
+                table: "merchants");
+
+            migrationBuilder.DropIndex(
+                name: "IX_merchants_TenantId_Status",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "OperatingMode",
+                table: "tenants");
+
+            migrationBuilder.DropColumn(
+                name: "BusinessLicenseImageUrl",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "BusinessLicenseNumber",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "LegalRepresentative",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "RegisteredAddress",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "ApprovedAt",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "ApprovedBy",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "ClaimExpiresAt",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "ClaimedAt",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "ClaimedBy",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "ClaimedByName",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "FrozenAt",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "FrozenReason",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "IsFrozen",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "LastReviewedBy",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "OperatingMode",
+                table: "merchants");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "merchants");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251231124137_AddStoreManagementEntities.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251231124137_AddStoreManagementEntities.Designer.cs
new file mode 100644
index 0000000..bac5d9d
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251231124137_AddStoreManagementEntities.Designer.cs
@@ -0,0 +1,7391 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20251231124137_AddStoreManagementEntities")]
+    partial class AddStoreManagementEntities
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<long?>("ApprovedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核通过人。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<DateTime?>("ClaimExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取过期时间。");
+
+                    b.Property<DateTime?>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间。");
+
+                    b.Property<long?>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("当前领取人。");
+
+                    b.Property<string>("ClaimedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("当前领取人姓名。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("FrozenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("冻结时间。");
+
+                    b.Property<string>("FrozenReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("冻结原因。");
+
+                    b.Property<bool>("IsFrozen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否冻结业务。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<long?>("LastReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最近一次审核人。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制版本。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Status");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("ActivatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<int>("AuditStatus")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店营业执照图片地址（主体不一致模式使用）。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("门店营业执照号（主体不一致模式使用）。");
+
+                    b.Property<int>("BusinessStatus")
+                        .HasColumnType("integer")
+                        .HasComment("经营状态。");
+
+                    b.Property<long?>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("行业类目 ID。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<int?>("ClosureReason")
+                        .HasColumnType("integer")
+                        .HasComment("歇业原因。");
+
+                    b.Property<string>("ClosureReasonText")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("歇业原因补充说明。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<string>("ForceCloseReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("强制关闭原因。");
+
+                    b.Property<DateTime?>("ForceClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("强制关闭时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<string>("LegalRepresentative")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("门店法人（主体不一致模式使用）。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<int>("OwnershipType")
+                        .HasColumnType("integer")
+                        .HasComment("主体类型。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("RegisteredAddress")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店注册地址（主体不一致模式使用）。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("审核驳回原因。");
+
+                    b.Property<string>("SignboardImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门头招牌图 URL。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交审核时间。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Longitude", "Latitude")
+                        .HasFilter("\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+
+                    b.HasIndex("MerchantId", "BusinessLicenseNumber")
+                        .IsUnique()
+                        .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+                    b.HasIndex("TenantId", "AuditStatus");
+
+                    b.HasIndex("TenantId", "BusinessStatus");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.HasIndex("TenantId", "OwnershipType");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreAuditRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作后状态。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作前状态。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("驳回理由文本。");
+
+                    b.Property<long?>("RejectionReasonId")
+                        .HasColumnType("bigint")
+                        .HasComment("驳回理由 ID。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_audit_records", null, t =>
+                        {
+                            t.HasComment("门店审核记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreFee", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("BaseDeliveryFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("基础配送费（元）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("FixedPackagingFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("固定打包费（总计模式有效）。");
+
+                    b.Property<decimal?>("FreeDeliveryThreshold")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("免配送费门槛。");
+
+                    b.Property<decimal>("MinimumOrderAmount")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("起送费（元）。");
+
+                    b.Property<int>("PackagingFeeMode")
+                        .HasColumnType("integer")
+                        .HasComment("打包费模式。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_fees", null, t =>
+                        {
+                            t.HasComment("门店费用配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreQualification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("证照编号。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("证照文件 URL。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<int>("QualificationType")
+                        .HasColumnType("integer")
+                        .HasComment("资质类型。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ExpiresAt")
+                        .HasFilter("\"ExpiresAt\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_qualifications", null, t =>
+                        {
+                            t.HasComment("门店资质证照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251231124137_AddStoreManagementEntities.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251231124137_AddStoreManagementEntities.cs
new file mode 100644
index 0000000..15d415d
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251231124137_AddStoreManagementEntities.cs
@@ -0,0 +1,319 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddStoreManagementEntities : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ActivatedAt",
+                table: "stores",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "审核通过时间。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "AuditStatus",
+                table: "stores",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "审核状态。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "BusinessStatus",
+                table: "stores",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "经营状态。");
+
+            migrationBuilder.AddColumn<long>(
+                name: "CategoryId",
+                table: "stores",
+                type: "bigint",
+                nullable: true,
+                comment: "行业类目 ID。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "ClosureReason",
+                table: "stores",
+                type: "integer",
+                nullable: true,
+                comment: "歇业原因。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "ClosureReasonText",
+                table: "stores",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "歇业原因补充说明。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "ForceCloseReason",
+                table: "stores",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "强制关闭原因。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "ForceClosedAt",
+                table: "stores",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "强制关闭时间。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "OwnershipType",
+                table: "stores",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "主体类型。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "RejectionReason",
+                table: "stores",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "审核驳回原因。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "SignboardImageUrl",
+                table: "stores",
+                type: "character varying(500)",
+                maxLength: 500,
+                nullable: true,
+                comment: "门头招牌图 URL。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "SubmittedAt",
+                table: "stores",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "提交审核时间。");
+
+            migrationBuilder.CreateTable(
+                name: "store_audit_records",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    Action = table.Column<int>(type: "integer", nullable: false, comment: "操作类型。"),
+                    PreviousStatus = table.Column<int>(type: "integer", nullable: true, comment: "操作前状态。"),
+                    NewStatus = table.Column<int>(type: "integer", nullable: false, comment: "操作后状态。"),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: true, comment: "操作人 ID。"),
+                    OperatorName = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false, comment: "操作人名称。"),
+                    RejectionReasonId = table.Column<long>(type: "bigint", nullable: true, comment: "驳回理由 ID。"),
+                    RejectionReason = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: true, comment: "驳回理由文本。"),
+                    Remarks = table.Column<string>(type: "character varying(1000)", maxLength: 1000, nullable: true, comment: "备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_audit_records", x => x.Id);
+                },
+                comment: "门店审核记录。");
+
+            migrationBuilder.CreateTable(
+                name: "store_fees",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    MinimumOrderAmount = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false, comment: "起送费（元）。"),
+                    BaseDeliveryFee = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false, comment: "基础配送费（元）。"),
+                    PackagingFeeMode = table.Column<int>(type: "integer", nullable: false, comment: "打包费模式。"),
+                    FixedPackagingFee = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false, comment: "固定打包费（总计模式有效）。"),
+                    FreeDeliveryThreshold = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: true, comment: "免配送费门槛。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_fees", x => x.Id);
+                },
+                comment: "门店费用配置。");
+
+            migrationBuilder.CreateTable(
+                name: "store_qualifications",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    StoreId = table.Column<long>(type: "bigint", nullable: false, comment: "门店标识。"),
+                    QualificationType = table.Column<int>(type: "integer", nullable: false, comment: "资质类型。"),
+                    FileUrl = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false, comment: "证照文件 URL。"),
+                    DocumentNumber = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: true, comment: "证照编号。"),
+                    IssuedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "签发日期。"),
+                    ExpiresAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "到期日期。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 100, comment: "排序值。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_store_qualifications", x => x.Id);
+                },
+                comment: "门店资质证照。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_Longitude_Latitude",
+                table: "stores",
+                columns: new[] { "Longitude", "Latitude" },
+                filter: "\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_TenantId_AuditStatus",
+                table: "stores",
+                columns: new[] { "TenantId", "AuditStatus" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_TenantId_BusinessStatus",
+                table: "stores",
+                columns: new[] { "TenantId", "BusinessStatus" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_stores_TenantId_OwnershipType",
+                table: "stores",
+                columns: new[] { "TenantId", "OwnershipType" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_audit_records_CreatedAt",
+                table: "store_audit_records",
+                column: "CreatedAt");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_audit_records_TenantId_StoreId",
+                table: "store_audit_records",
+                columns: new[] { "TenantId", "StoreId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_fees_TenantId",
+                table: "store_fees",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_fees_TenantId_StoreId",
+                table: "store_fees",
+                columns: new[] { "TenantId", "StoreId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_qualifications_ExpiresAt",
+                table: "store_qualifications",
+                column: "ExpiresAt",
+                filter: "\"ExpiresAt\" IS NOT NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_qualifications_TenantId_StoreId",
+                table: "store_qualifications",
+                columns: new[] { "TenantId", "StoreId" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "store_audit_records");
+
+            migrationBuilder.DropTable(
+                name: "store_fees");
+
+            migrationBuilder.DropTable(
+                name: "store_qualifications");
+
+            migrationBuilder.DropIndex(
+                name: "IX_stores_Longitude_Latitude",
+                table: "stores");
+
+            migrationBuilder.DropIndex(
+                name: "IX_stores_TenantId_AuditStatus",
+                table: "stores");
+
+            migrationBuilder.DropIndex(
+                name: "IX_stores_TenantId_BusinessStatus",
+                table: "stores");
+
+            migrationBuilder.DropIndex(
+                name: "IX_stores_TenantId_OwnershipType",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "ActivatedAt",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "AuditStatus",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "BusinessStatus",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "CategoryId",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "ClosureReason",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "ClosureReasonText",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "ForceCloseReason",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "ForceClosedAt",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "OwnershipType",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "RejectionReason",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "SignboardImageUrl",
+                table: "stores");
+
+            migrationBuilder.DropColumn(
+                name: "SubmittedAt",
+                table: "stores");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045054_ChangeStoreQualificationDateColumns.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045054_ChangeStoreQualificationDateColumns.Designer.cs
new file mode 100644
index 0000000..6a13bb2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045054_ChangeStoreQualificationDateColumns.Designer.cs
@@ -0,0 +1,7391 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20260120045054_ChangeStoreQualificationDateColumns")]
+    partial class ChangeStoreQualificationDateColumns
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<long?>("ApprovedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核通过人。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<DateTime?>("ClaimExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取过期时间。");
+
+                    b.Property<DateTime?>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间。");
+
+                    b.Property<long?>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("当前领取人。");
+
+                    b.Property<string>("ClaimedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("当前领取人姓名。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("FrozenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("冻结时间。");
+
+                    b.Property<string>("FrozenReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("冻结原因。");
+
+                    b.Property<bool>("IsFrozen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否冻结业务。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<long?>("LastReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最近一次审核人。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制版本。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Status");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("ActivatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<int>("AuditStatus")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店营业执照图片地址（主体不一致模式使用）。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("门店营业执照号（主体不一致模式使用）。");
+
+                    b.Property<int>("BusinessStatus")
+                        .HasColumnType("integer")
+                        .HasComment("经营状态。");
+
+                    b.Property<long?>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("行业类目 ID。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<int?>("ClosureReason")
+                        .HasColumnType("integer")
+                        .HasComment("歇业原因。");
+
+                    b.Property<string>("ClosureReasonText")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("歇业原因补充说明。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<string>("ForceCloseReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("强制关闭原因。");
+
+                    b.Property<DateTime?>("ForceClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("强制关闭时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<string>("LegalRepresentative")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("门店法人（主体不一致模式使用）。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<int>("OwnershipType")
+                        .HasColumnType("integer")
+                        .HasComment("主体类型。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("RegisteredAddress")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店注册地址（主体不一致模式使用）。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("审核驳回原因。");
+
+                    b.Property<string>("SignboardImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门头招牌图 URL。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交审核时间。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Longitude", "Latitude")
+                        .HasFilter("\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+
+                    b.HasIndex("MerchantId", "BusinessLicenseNumber")
+                        .IsUnique()
+                        .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+                    b.HasIndex("TenantId", "AuditStatus");
+
+                    b.HasIndex("TenantId", "BusinessStatus");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.HasIndex("TenantId", "OwnershipType");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreAuditRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作后状态。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作前状态。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("驳回理由文本。");
+
+                    b.Property<long?>("RejectionReasonId")
+                        .HasColumnType("bigint")
+                        .HasComment("驳回理由 ID。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_audit_records", null, t =>
+                        {
+                            t.HasComment("门店审核记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreFee", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("BaseDeliveryFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("基础配送费（元）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("FixedPackagingFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("固定打包费（总计模式有效）。");
+
+                    b.Property<decimal?>("FreeDeliveryThreshold")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("免配送费门槛。");
+
+                    b.Property<decimal>("MinimumOrderAmount")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("起送费（元）。");
+
+                    b.Property<int>("PackagingFeeMode")
+                        .HasColumnType("integer")
+                        .HasComment("打包费模式。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_fees", null, t =>
+                        {
+                            t.HasComment("门店费用配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreQualification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("证照编号。");
+
+                    b.Property<DateOnly?>("ExpiresAt")
+                        .HasColumnType("date")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("证照文件 URL。");
+
+                    b.Property<DateOnly?>("IssuedAt")
+                        .HasColumnType("date")
+                        .HasComment("签发日期。");
+
+                    b.Property<int>("QualificationType")
+                        .HasColumnType("integer")
+                        .HasComment("资质类型。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ExpiresAt")
+                        .HasFilter("\"ExpiresAt\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_qualifications", null, t =>
+                        {
+                            t.HasComment("门店资质证照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045054_ChangeStoreQualificationDateColumns.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045054_ChangeStoreQualificationDateColumns.cs
new file mode 100644
index 0000000..be216f0
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045054_ChangeStoreQualificationDateColumns.cs
@@ -0,0 +1,63 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChangeStoreQualificationDateColumns : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateOnly>(
+                name: "IssuedAt",
+                table: "store_qualifications",
+                type: "date",
+                nullable: true,
+                comment: "签发日期。",
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldNullable: true,
+                oldComment: "签发日期。");
+
+            migrationBuilder.AlterColumn<DateOnly>(
+                name: "ExpiresAt",
+                table: "store_qualifications",
+                type: "date",
+                nullable: true,
+                comment: "到期日期。",
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldNullable: true,
+                oldComment: "到期日期。");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "IssuedAt",
+                table: "store_qualifications",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "签发日期。",
+                oldClrType: typeof(DateOnly),
+                oldType: "date",
+                oldNullable: true,
+                oldComment: "签发日期。");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "ExpiresAt",
+                table: "store_qualifications",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "到期日期。",
+                oldClrType: typeof(DateOnly),
+                oldType: "date",
+                oldNullable: true,
+                oldComment: "到期日期。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045217_UpdateStoreQualificationDateFields.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045217_UpdateStoreQualificationDateFields.Designer.cs
new file mode 100644
index 0000000..567ecd5
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045217_UpdateStoreQualificationDateFields.Designer.cs
@@ -0,0 +1,7391 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20260120045217_UpdateStoreQualificationDateFields")]
+    partial class UpdateStoreQualificationDateFields
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<long?>("ApprovedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核通过人。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<DateTime?>("ClaimExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取过期时间。");
+
+                    b.Property<DateTime?>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间。");
+
+                    b.Property<long?>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("当前领取人。");
+
+                    b.Property<string>("ClaimedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("当前领取人姓名。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("FrozenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("冻结时间。");
+
+                    b.Property<string>("FrozenReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("冻结原因。");
+
+                    b.Property<bool>("IsFrozen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否冻结业务。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<long?>("LastReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最近一次审核人。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制版本。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Status");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("ActivatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<int>("AuditStatus")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店营业执照图片地址（主体不一致模式使用）。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("门店营业执照号（主体不一致模式使用）。");
+
+                    b.Property<int>("BusinessStatus")
+                        .HasColumnType("integer")
+                        .HasComment("经营状态。");
+
+                    b.Property<long?>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("行业类目 ID。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<int?>("ClosureReason")
+                        .HasColumnType("integer")
+                        .HasComment("歇业原因。");
+
+                    b.Property<string>("ClosureReasonText")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("歇业原因补充说明。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<string>("ForceCloseReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("强制关闭原因。");
+
+                    b.Property<DateTime?>("ForceClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("强制关闭时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<string>("LegalRepresentative")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("门店法人（主体不一致模式使用）。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<int>("OwnershipType")
+                        .HasColumnType("integer")
+                        .HasComment("主体类型。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("RegisteredAddress")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店注册地址（主体不一致模式使用）。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("审核驳回原因。");
+
+                    b.Property<string>("SignboardImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门头招牌图 URL。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交审核时间。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Longitude", "Latitude")
+                        .HasFilter("\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+
+                    b.HasIndex("MerchantId", "BusinessLicenseNumber")
+                        .IsUnique()
+                        .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+                    b.HasIndex("TenantId", "AuditStatus");
+
+                    b.HasIndex("TenantId", "BusinessStatus");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.HasIndex("TenantId", "OwnershipType");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreAuditRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作后状态。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作前状态。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("驳回理由文本。");
+
+                    b.Property<long?>("RejectionReasonId")
+                        .HasColumnType("bigint")
+                        .HasComment("驳回理由 ID。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_audit_records", null, t =>
+                        {
+                            t.HasComment("门店审核记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreFee", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("BaseDeliveryFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("基础配送费（元）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("FixedPackagingFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("固定打包费（总计模式有效）。");
+
+                    b.Property<decimal?>("FreeDeliveryThreshold")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("免配送费门槛。");
+
+                    b.Property<decimal>("MinimumOrderAmount")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("起送费（元）。");
+
+                    b.Property<int>("PackagingFeeMode")
+                        .HasColumnType("integer")
+                        .HasComment("打包费模式。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_fees", null, t =>
+                        {
+                            t.HasComment("门店费用配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("日期。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("boolean")
+                        .HasComment("是否全天闭店。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("说明内容。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date")
+                        .IsUnique();
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店休息日或特殊营业日。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreQualification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("证照编号。");
+
+                    b.Property<DateOnly?>("ExpiresAt")
+                        .HasColumnType("date")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("证照文件 URL。");
+
+                    b.Property<DateOnly?>("IssuedAt")
+                        .HasColumnType("date")
+                        .HasComment("签发日期。");
+
+                    b.Property<int>("QualificationType")
+                        .HasColumnType("integer")
+                        .HasComment("资质类型。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ExpiresAt")
+                        .HasFilter("\"ExpiresAt\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_qualifications", null, t =>
+                        {
+                            t.HasComment("门店资质证照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045217_UpdateStoreQualificationDateFields.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045217_UpdateStoreQualificationDateFields.cs
new file mode 100644
index 0000000..9fb0b77
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120045217_UpdateStoreQualificationDateFields.cs
@@ -0,0 +1,63 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class UpdateStoreQualificationDateFields : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateOnly>(
+                name: "IssuedAt",
+                table: "store_qualifications",
+                type: "date",
+                nullable: true,
+                comment: "签发日期。",
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldNullable: true,
+                oldComment: "签发日期。");
+
+            migrationBuilder.AlterColumn<DateOnly>(
+                name: "ExpiresAt",
+                table: "store_qualifications",
+                type: "date",
+                nullable: true,
+                comment: "到期日期。",
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldNullable: true,
+                oldComment: "到期日期。");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "IssuedAt",
+                table: "store_qualifications",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "签发日期。",
+                oldClrType: typeof(DateOnly),
+                oldType: "date",
+                oldNullable: true,
+                oldComment: "签发日期。");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "ExpiresAt",
+                table: "store_qualifications",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "到期日期。",
+                oldClrType: typeof(DateOnly),
+                oldType: "date",
+                oldNullable: true,
+                oldComment: "到期日期。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120090508_ExtendStoreHolidayForTemporaryHours.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120090508_ExtendStoreHolidayForTemporaryHours.Designer.cs
new file mode 100644
index 0000000..1301696
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120090508_ExtendStoreHolidayForTemporaryHours.Designer.cs
@@ -0,0 +1,7416 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20260120090508_ExtendStoreHolidayForTemporaryHours")]
+    partial class ExtendStoreHolidayForTemporaryHours
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<long?>("ApprovedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核通过人。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<DateTime?>("ClaimExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取过期时间。");
+
+                    b.Property<DateTime?>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间。");
+
+                    b.Property<long?>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("当前领取人。");
+
+                    b.Property<string>("ClaimedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("当前领取人姓名。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("FrozenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("冻结时间。");
+
+                    b.Property<string>("FrozenReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("冻结原因。");
+
+                    b.Property<bool>("IsFrozen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否冻结业务。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<long?>("LastReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最近一次审核人。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制版本。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Status");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("ActivatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<int>("AuditStatus")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店营业执照图片地址（主体不一致模式使用）。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("门店营业执照号（主体不一致模式使用）。");
+
+                    b.Property<int>("BusinessStatus")
+                        .HasColumnType("integer")
+                        .HasComment("经营状态。");
+
+                    b.Property<long?>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("行业类目 ID。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<int?>("ClosureReason")
+                        .HasColumnType("integer")
+                        .HasComment("歇业原因。");
+
+                    b.Property<string>("ClosureReasonText")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("歇业原因补充说明。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<string>("ForceCloseReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("强制关闭原因。");
+
+                    b.Property<DateTime?>("ForceClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("强制关闭时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<string>("LegalRepresentative")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("门店法人（主体不一致模式使用）。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<int>("OwnershipType")
+                        .HasColumnType("integer")
+                        .HasComment("主体类型。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("RegisteredAddress")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店注册地址（主体不一致模式使用）。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("审核驳回原因。");
+
+                    b.Property<string>("SignboardImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门头招牌图 URL。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交审核时间。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Longitude", "Latitude")
+                        .HasFilter("\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+
+                    b.HasIndex("MerchantId", "BusinessLicenseNumber")
+                        .IsUnique()
+                        .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+                    b.HasIndex("TenantId", "AuditStatus");
+
+                    b.HasIndex("TenantId", "BusinessStatus");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.HasIndex("TenantId", "OwnershipType");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreAuditRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作后状态。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作前状态。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("驳回理由文本。");
+
+                    b.Property<long?>("RejectionReasonId")
+                        .HasColumnType("bigint")
+                        .HasComment("驳回理由 ID。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_audit_records", null, t =>
+                        {
+                            t.HasComment("门店审核记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreFee", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("BaseDeliveryFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("基础配送费（元）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("FixedPackagingFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("固定打包费（总计模式有效）。");
+
+                    b.Property<decimal?>("FreeDeliveryThreshold")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("免配送费门槛。");
+
+                    b.Property<decimal>("MinimumOrderAmount")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("起送费（元）。");
+
+                    b.Property<int>("PackagingFeeMode")
+                        .HasColumnType("integer")
+                        .HasComment("打包费模式。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_fees", null, t =>
+                        {
+                            t.HasComment("门店费用配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期（原 Date 字段）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期（可选，用于日期范围，如春节 1.28~2.4）。");
+
+                    b.Property<TimeSpan?>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（IsAllDay=false 时使用）。");
+
+                    b.Property<bool>("IsAllDay")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否全天生效。true=全天；false=仅 StartTime~EndTime 时段。");
+
+                    b.Property<bool>("IsClosed")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否闭店（兼容旧数据，新逻辑请用 OverrideType）。");
+
+                    b.Property<int>("OverrideType")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("覆盖类型（闭店/临时营业/调整时间）。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasComment("说明内容。");
+
+                    b.Property<TimeSpan?>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（IsAllDay=false 时使用）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date");
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店临时时段配置（节假日/歇业/调整营业时间）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreQualification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("证照编号。");
+
+                    b.Property<DateOnly?>("ExpiresAt")
+                        .HasColumnType("date")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("证照文件 URL。");
+
+                    b.Property<DateOnly?>("IssuedAt")
+                        .HasColumnType("date")
+                        .HasComment("签发日期。");
+
+                    b.Property<int>("QualificationType")
+                        .HasColumnType("integer")
+                        .HasComment("资质类型。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ExpiresAt")
+                        .HasFilter("\"ExpiresAt\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_qualifications", null, t =>
+                        {
+                            t.HasComment("门店资质证照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120090508_ExtendStoreHolidayForTemporaryHours.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120090508_ExtendStoreHolidayForTemporaryHours.cs
new file mode 100644
index 0000000..2e528f1
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260120090508_ExtendStoreHolidayForTemporaryHours.cs
@@ -0,0 +1,173 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class ExtendStoreHolidayForTemporaryHours : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_store_holidays_TenantId_StoreId_Date",
+                table: "store_holidays");
+
+            migrationBuilder.AlterTable(
+                name: "store_holidays",
+                comment: "门店临时时段配置（节假日/歇业/调整营业时间）。",
+                oldComment: "门店休息日或特殊营业日。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Reason",
+                table: "store_holidays",
+                type: "character varying(200)",
+                maxLength: 200,
+                nullable: true,
+                comment: "说明内容。",
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true,
+                oldComment: "说明内容。");
+
+            migrationBuilder.AlterColumn<bool>(
+                name: "IsClosed",
+                table: "store_holidays",
+                type: "boolean",
+                nullable: false,
+                defaultValue: true,
+                comment: "是否闭店（兼容旧数据，新逻辑请用 OverrideType）。",
+                oldClrType: typeof(bool),
+                oldType: "boolean",
+                oldComment: "是否全天闭店。");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "Date",
+                table: "store_holidays",
+                type: "timestamp with time zone",
+                nullable: false,
+                comment: "开始日期（原 Date 字段）。",
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldComment: "日期。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "EndDate",
+                table: "store_holidays",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "结束日期（可选，用于日期范围，如春节 1.28~2.4）。");
+
+            migrationBuilder.AddColumn<TimeSpan>(
+                name: "EndTime",
+                table: "store_holidays",
+                type: "interval",
+                nullable: true,
+                comment: "结束时间（IsAllDay=false 时使用）。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "IsAllDay",
+                table: "store_holidays",
+                type: "boolean",
+                nullable: false,
+                defaultValue: true,
+                comment: "是否全天生效。true=全天；false=仅 StartTime~EndTime 时段。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "OverrideType",
+                table: "store_holidays",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "覆盖类型（闭店/临时营业/调整时间）。");
+
+            migrationBuilder.AddColumn<TimeSpan>(
+                name: "StartTime",
+                table: "store_holidays",
+                type: "interval",
+                nullable: true,
+                comment: "开始时间（IsAllDay=false 时使用）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_holidays_TenantId_StoreId_Date",
+                table: "store_holidays",
+                columns: new[] { "TenantId", "StoreId", "Date" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_store_holidays_TenantId_StoreId_Date",
+                table: "store_holidays");
+
+            migrationBuilder.DropColumn(
+                name: "EndDate",
+                table: "store_holidays");
+
+            migrationBuilder.DropColumn(
+                name: "EndTime",
+                table: "store_holidays");
+
+            migrationBuilder.DropColumn(
+                name: "IsAllDay",
+                table: "store_holidays");
+
+            migrationBuilder.DropColumn(
+                name: "OverrideType",
+                table: "store_holidays");
+
+            migrationBuilder.DropColumn(
+                name: "StartTime",
+                table: "store_holidays");
+
+            migrationBuilder.AlterTable(
+                name: "store_holidays",
+                comment: "门店休息日或特殊营业日。",
+                oldComment: "门店临时时段配置（节假日/歇业/调整营业时间）。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Reason",
+                table: "store_holidays",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                comment: "说明内容。",
+                oldClrType: typeof(string),
+                oldType: "character varying(200)",
+                oldMaxLength: 200,
+                oldNullable: true,
+                oldComment: "说明内容。");
+
+            migrationBuilder.AlterColumn<bool>(
+                name: "IsClosed",
+                table: "store_holidays",
+                type: "boolean",
+                nullable: false,
+                comment: "是否全天闭店。",
+                oldClrType: typeof(bool),
+                oldType: "boolean",
+                oldDefaultValue: true,
+                oldComment: "是否闭店（兼容旧数据，新逻辑请用 OverrideType）。");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "Date",
+                table: "store_holidays",
+                type: "timestamp with time zone",
+                nullable: false,
+                comment: "日期。",
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldComment: "开始日期（原 Date 字段）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_store_holidays_TenantId_StoreId_Date",
+                table: "store_holidays",
+                columns: new[] { "TenantId", "StoreId", "Date" },
+                unique: true);
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260201090000_AddStoreFeeTieredPackaging.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260201090000_AddStoreFeeTieredPackaging.cs
new file mode 100644
index 0000000..26e6fb9
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260201090000_AddStoreFeeTieredPackaging.cs
@@ -0,0 +1,45 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    [DbContext(typeof(TakeoutAppDbContext))]
+    [Migration("20260201090000_AddStoreFeeTieredPackaging")]
+    public partial class AddStoreFeeTieredPackaging : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "OrderPackagingFeeMode",
+                table: "store_fees",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "订单打包费规则（按订单收费时生效）。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "PackagingFeeTiersJson",
+                table: "store_fees",
+                type: "text",
+                nullable: true,
+                comment: "阶梯打包费配置（JSON）。");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "OrderPackagingFeeMode",
+                table: "store_fees");
+
+            migrationBuilder.DropColumn(
+                name: "PackagingFeeTiersJson",
+                table: "store_fees");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.Designer.cs
new file mode 100644
index 0000000..96bfd4a
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.Designer.cs
@@ -0,0 +1,210 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    [DbContext(typeof(DictionaryDbContext))]
+    [Migration("20251202005247_InitSnowflake_Dictionary")]
+    partial class InitSnowflake_Dictionary
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组编码（唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("分组名称。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("分组作用域：系统/业务。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("dictionary_groups", null, t =>
+                        {
+                            t.HasComment("参数字典分组（系统参数、业务参数）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<long>("GroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联分组 ID。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认项。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典项键。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("字典项值。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("GroupId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("dictionary_items", null, t =>
+                        {
+                            t.HasComment("参数字典项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", "Group")
+                        .WithMany("Items")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Navigation("Items");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs
new file mode 100644
index 0000000..7a1aa27
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs
@@ -0,0 +1,105 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    /// <inheritdoc />
+    public partial class InitSnowflake_Dictionary : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "dictionary_groups",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Code = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "分组编码（唯一）。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "分组名称。"),
+                    Scope = table.Column<int>(type: "integer", nullable: false, comment: "分组作用域：系统/业务。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "描述信息。"),
+                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_dictionary_groups", x => x.Id);
+                },
+                comment: "参数字典分组（系统参数、业务参数）。");
+
+            migrationBuilder.CreateTable(
+                name: "dictionary_items",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    GroupId = table.Column<long>(type: "bigint", nullable: false, comment: "关联分组 ID。"),
+                    Key = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "字典项键。"),
+                    Value = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "字典项值。"),
+                    IsDefault = table.Column<bool>(type: "boolean", nullable: false, comment: "是否默认项。"),
+                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true, comment: "是否启用。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 100, comment: "排序值，越小越靠前。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "描述信息。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_dictionary_items", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_dictionary_items_dictionary_groups_GroupId",
+                        column: x => x.GroupId,
+                        principalTable: "dictionary_groups",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                },
+                comment: "参数字典项。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_groups_TenantId",
+                table: "dictionary_groups",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_groups_TenantId_Code",
+                table: "dictionary_groups",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_items_GroupId_Key",
+                table: "dictionary_items",
+                columns: new[] { "GroupId", "Key" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_items_TenantId",
+                table: "dictionary_items",
+                column: "TenantId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "dictionary_items");
+
+            migrationBuilder.DropTable(
+                name: "dictionary_groups");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.Designer.cs
new file mode 100644
index 0000000..8d3c8c2
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.Designer.cs
@@ -0,0 +1,288 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    [DbContext(typeof(DictionaryDbContext))]
+    [Migration("20251202043204_AddSystemParametersTable")]
+    partial class AddSystemParametersTable
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组编码（唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("分组名称。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("分组作用域：系统/业务。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("dictionary_groups", null, t =>
+                        {
+                            t.HasComment("参数字典分组（系统参数、业务参数）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<long>("GroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联分组 ID。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认项。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典项键。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("字典项值。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("GroupId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("dictionary_items", null, t =>
+                        {
+                            t.HasComment("参数字典项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.SystemParameters.Entities.SystemParameter", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("参数键，租户内唯一。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("参数值，支持文本或 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("system_parameters", null, t =>
+                        {
+                            t.HasComment("系统参数实体：支持按租户维护的键值型配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", "Group")
+                        .WithMany("Items")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Navigation("Items");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs
new file mode 100644
index 0000000..27d688a
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs
@@ -0,0 +1,58 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    /// <inheritdoc />
+    public partial class AddSystemParametersTable : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "system_parameters",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Key = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "参数键，租户内唯一。"),
+                    Value = table.Column<string>(type: "text", nullable: false, comment: "参数值，支持文本或 JSON。"),
+                    Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "描述信息。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 100, comment: "排序值，越小越靠前。"),
+                    IsEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_system_parameters", x => x.Id);
+                },
+                comment: "系统参数实体：支持按租户维护的键值型配置。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_system_parameters_TenantId",
+                table: "system_parameters",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_system_parameters_TenantId_Key",
+                table: "system_parameters",
+                columns: new[] { "TenantId", "Key" },
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "system_parameters");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230044727_UpdateDictionarySchema.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230044727_UpdateDictionarySchema.Designer.cs
new file mode 100644
index 0000000..7a43210
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230044727_UpdateDictionarySchema.Designer.cs
@@ -0,0 +1,471 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    [DbContext(typeof(DictionaryDbContext))]
+    [Migration("20251230044727_UpdateDictionarySchema")]
+    partial class UpdateDictionarySchema
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowOverride")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否允许租户覆盖。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("分组名称。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("分组作用域：系统/业务。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.HasIndex("TenantId", "Scope", "IsEnabled");
+
+                    b.ToTable("dictionary_groups", null, t =>
+                        {
+                            t.HasComment("参数字典分组（系统参数、业务参数）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryImportLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ConflictMode")
+                        .HasColumnType("integer")
+                        .HasComment("冲突处理模式。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryGroupCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典分组编码。");
+
+                    b.Property<TimeSpan>("Duration")
+                        .HasColumnType("interval")
+                        .HasComment("处理耗时。");
+
+                    b.Property<string>("ErrorDetails")
+                        .HasColumnType("jsonb")
+                        .HasComment("错误明细（JSON）。");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("导入文件名。");
+
+                    b.Property<long>("FileSize")
+                        .HasColumnType("bigint")
+                        .HasComment("文件大小（字节）。");
+
+                    b.Property<string>("Format")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("文件格式（CSV/JSON）。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<DateTime>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("处理时间（UTC）。");
+
+                    b.Property<int>("SkipCount")
+                        .HasColumnType("integer")
+                        .HasComment("跳过数量。");
+
+                    b.Property<int>("SuccessCount")
+                        .HasColumnType("integer")
+                        .HasComment("成功导入数量。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProcessedAt");
+
+                    b.ToTable("dictionary_import_logs", null, t =>
+                        {
+                            t.HasComment("字典导入审计日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<long>("GroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联分组 ID。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认项。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("字典项键。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("字典项值。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("GroupId", "IsEnabled", "SortOrder");
+
+                    b.HasIndex("TenantId", "GroupId", "Key")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.ToTable("dictionary_items", null, t =>
+                        {
+                            t.HasComment("参数字典项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.TenantDictionaryOverride", b =>
+                {
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("SystemDictionaryGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统字典分组 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识。");
+
+                    b.Property<string>("CustomSortOrder")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("自定义排序映射（JSON）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("删除时间（UTC）。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识。");
+
+                    b.PrimitiveCollection<long[]>("HiddenSystemItemIds")
+                        .IsRequired()
+                        .HasColumnType("bigint[]")
+                        .HasComment("隐藏的系统字典项 ID 列表。");
+
+                    b.Property<bool>("OverrideEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否启用覆盖。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近更新时间（UTC）。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识。");
+
+                    b.HasKey("TenantId", "SystemDictionaryGroupId");
+
+                    b.HasIndex("HiddenSystemItemIds");
+
+                    NpgsqlIndexBuilderExtensions.HasMethod(b.HasIndex("HiddenSystemItemIds"), "gin");
+
+                    b.ToTable("tenant_dictionary_overrides", null, t =>
+                        {
+                            t.HasComment("租户字典覆盖配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.SystemParameters.Entities.SystemParameter", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("参数键，租户内唯一。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("参数值，支持文本或 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("system_parameters", null, t =>
+                        {
+                            t.HasComment("系统参数实体：支持按租户维护的键值型配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", "Group")
+                        .WithMany("Items")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Navigation("Items");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230044727_UpdateDictionarySchema.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230044727_UpdateDictionarySchema.cs
new file mode 100644
index 0000000..6045021
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230044727_UpdateDictionarySchema.cs
@@ -0,0 +1,255 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    /// <inheritdoc />
+    public partial class UpdateDictionarySchema : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_dictionary_items_GroupId_Key",
+                table: "dictionary_items");
+
+            migrationBuilder.DropIndex(
+                name: "IX_dictionary_groups_TenantId_Code",
+                table: "dictionary_groups");
+
+            // 使用原生 SQL 进行类型转换，确保现有数据被正确转换为 JSONB
+            migrationBuilder.Sql(
+                """
+                ALTER TABLE dictionary_items
+                ALTER COLUMN "Value" TYPE jsonb
+                USING to_jsonb("Value"::text);
+
+                COMMENT ON COLUMN dictionary_items."Value" IS '字典项值。';
+                """);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "dictionary_items",
+                type: "character varying(128)",
+                maxLength: 128,
+                nullable: false,
+                comment: "字典项键。",
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64,
+                oldComment: "字典项键。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "dictionary_items",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制字段。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Code",
+                table: "dictionary_groups",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64,
+                oldComment: "分组编码（唯一）。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "AllowOverride",
+                table: "dictionary_groups",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false,
+                comment: "是否允许租户覆盖。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "dictionary_groups",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制字段。");
+
+            migrationBuilder.CreateTable(
+                name: "dictionary_import_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: false, comment: "操作人用户标识。"),
+                    DictionaryGroupCode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "字典分组编码。"),
+                    FileName = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "导入文件名。"),
+                    FileSize = table.Column<long>(type: "bigint", nullable: false, comment: "文件大小（字节）。"),
+                    Format = table.Column<string>(type: "character varying(16)", maxLength: 16, nullable: false, comment: "文件格式（CSV/JSON）。"),
+                    ConflictMode = table.Column<int>(type: "integer", nullable: false, comment: "冲突处理模式。"),
+                    SuccessCount = table.Column<int>(type: "integer", nullable: false, comment: "成功导入数量。"),
+                    SkipCount = table.Column<int>(type: "integer", nullable: false, comment: "跳过数量。"),
+                    ErrorDetails = table.Column<string>(type: "jsonb", nullable: true, comment: "错误明细（JSON）。"),
+                    ProcessedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "处理时间（UTC）。"),
+                    Duration = table.Column<TimeSpan>(type: "interval", nullable: false, comment: "处理耗时。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_dictionary_import_logs", x => x.Id);
+                },
+                comment: "字典导入审计日志。");
+
+            migrationBuilder.CreateTable(
+                name: "tenant_dictionary_overrides",
+                columns: table => new
+                {
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。"),
+                    SystemDictionaryGroupId = table.Column<long>(type: "bigint", nullable: false, comment: "系统字典分组 ID。"),
+                    OverrideEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false, comment: "是否启用覆盖。"),
+                    HiddenSystemItemIds = table.Column<long[]>(type: "bigint[]", nullable: false, comment: "隐藏的系统字典项 ID 列表。"),
+                    CustomSortOrder = table.Column<string>(type: "jsonb", nullable: false, comment: "自定义排序映射（JSON）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近更新时间（UTC）。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "删除时间（UTC）。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_tenant_dictionary_overrides", x => new { x.TenantId, x.SystemDictionaryGroupId });
+                },
+                comment: "租户字典覆盖配置。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_items_GroupId_IsEnabled_SortOrder",
+                table: "dictionary_items",
+                columns: new[] { "GroupId", "IsEnabled", "SortOrder" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_items_TenantId_GroupId_Key",
+                table: "dictionary_items",
+                columns: new[] { "TenantId", "GroupId", "Key" },
+                unique: true,
+                filter: "\"DeletedAt\" IS NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_groups_TenantId_Code",
+                table: "dictionary_groups",
+                columns: new[] { "TenantId", "Code" },
+                unique: true,
+                filter: "\"DeletedAt\" IS NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_groups_TenantId_Scope_IsEnabled",
+                table: "dictionary_groups",
+                columns: new[] { "TenantId", "Scope", "IsEnabled" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_import_logs_TenantId_ProcessedAt",
+                table: "dictionary_import_logs",
+                columns: new[] { "TenantId", "ProcessedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_tenant_dictionary_overrides_HiddenSystemItemIds",
+                table: "tenant_dictionary_overrides",
+                column: "HiddenSystemItemIds")
+                .Annotation("Npgsql:IndexMethod", "gin");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "dictionary_import_logs");
+
+            migrationBuilder.DropTable(
+                name: "tenant_dictionary_overrides");
+
+            migrationBuilder.DropIndex(
+                name: "IX_dictionary_items_GroupId_IsEnabled_SortOrder",
+                table: "dictionary_items");
+
+            migrationBuilder.DropIndex(
+                name: "IX_dictionary_items_TenantId_GroupId_Key",
+                table: "dictionary_items");
+
+            migrationBuilder.DropIndex(
+                name: "IX_dictionary_groups_TenantId_Code",
+                table: "dictionary_groups");
+
+            migrationBuilder.DropIndex(
+                name: "IX_dictionary_groups_TenantId_Scope_IsEnabled",
+                table: "dictionary_groups");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "dictionary_items");
+
+            migrationBuilder.DropColumn(
+                name: "AllowOverride",
+                table: "dictionary_groups");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "dictionary_groups");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Value",
+                table: "dictionary_items",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: false,
+                comment: "字典项值。",
+                oldClrType: typeof(string),
+                oldType: "jsonb",
+                oldComment: "字典项值。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "dictionary_items",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                comment: "字典项键。",
+                oldClrType: typeof(string),
+                oldType: "character varying(128)",
+                oldMaxLength: 128,
+                oldComment: "字典项键。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Code",
+                table: "dictionary_groups",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                comment: "分组编码（唯一）。",
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_items_GroupId_Key",
+                table: "dictionary_items",
+                columns: new[] { "GroupId", "Key" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_groups_TenantId_Code",
+                table: "dictionary_groups",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230140335_AddCacheInvalidationLogs.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230140335_AddCacheInvalidationLogs.Designer.cs
new file mode 100644
index 0000000..50fd6bb
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230140335_AddCacheInvalidationLogs.Designer.cs
@@ -0,0 +1,544 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    [DbContext(typeof(DictionaryDbContext))]
+    [Migration("20251230140335_AddCacheInvalidationLogs")]
+    partial class AddCacheInvalidationLogs
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.CacheInvalidationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AffectedCacheKeyCount")
+                        .HasColumnType("integer")
+                        .HasComment("影响的缓存键数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典编码。");
+
+                    b.Property<int>("Operation")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("字典作用域。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间（UTC）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Timestamp");
+
+                    b.ToTable("dictionary_cache_invalidation_logs", null, t =>
+                        {
+                            t.HasComment("字典缓存失效日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowOverride")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否允许租户覆盖。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("分组名称。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("分组作用域：系统/业务。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.HasIndex("TenantId", "Scope", "IsEnabled");
+
+                    b.ToTable("dictionary_groups", null, t =>
+                        {
+                            t.HasComment("参数字典分组（系统参数、业务参数）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryImportLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ConflictMode")
+                        .HasColumnType("integer")
+                        .HasComment("冲突处理模式。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryGroupCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典分组编码。");
+
+                    b.Property<TimeSpan>("Duration")
+                        .HasColumnType("interval")
+                        .HasComment("处理耗时。");
+
+                    b.Property<string>("ErrorDetails")
+                        .HasColumnType("jsonb")
+                        .HasComment("错误明细（JSON）。");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("导入文件名。");
+
+                    b.Property<long>("FileSize")
+                        .HasColumnType("bigint")
+                        .HasComment("文件大小（字节）。");
+
+                    b.Property<string>("Format")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("文件格式（CSV/JSON）。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<DateTime>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("处理时间（UTC）。");
+
+                    b.Property<int>("SkipCount")
+                        .HasColumnType("integer")
+                        .HasComment("跳过数量。");
+
+                    b.Property<int>("SuccessCount")
+                        .HasColumnType("integer")
+                        .HasComment("成功导入数量。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProcessedAt");
+
+                    b.ToTable("dictionary_import_logs", null, t =>
+                        {
+                            t.HasComment("字典导入审计日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<long>("GroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联分组 ID。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认项。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("字典项键。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("字典项值。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("GroupId", "IsEnabled", "SortOrder");
+
+                    b.HasIndex("TenantId", "GroupId", "Key")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.ToTable("dictionary_items", null, t =>
+                        {
+                            t.HasComment("参数字典项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.TenantDictionaryOverride", b =>
+                {
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("SystemDictionaryGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统字典分组 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识。");
+
+                    b.Property<string>("CustomSortOrder")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("自定义排序映射（JSON）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("删除时间（UTC）。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识。");
+
+                    b.PrimitiveCollection<long[]>("HiddenSystemItemIds")
+                        .IsRequired()
+                        .HasColumnType("bigint[]")
+                        .HasComment("隐藏的系统字典项 ID 列表。");
+
+                    b.Property<bool>("OverrideEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否启用覆盖。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近更新时间（UTC）。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识。");
+
+                    b.HasKey("TenantId", "SystemDictionaryGroupId");
+
+                    b.HasIndex("HiddenSystemItemIds");
+
+                    NpgsqlIndexBuilderExtensions.HasMethod(b.HasIndex("HiddenSystemItemIds"), "gin");
+
+                    b.ToTable("tenant_dictionary_overrides", null, t =>
+                        {
+                            t.HasComment("租户字典覆盖配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.SystemParameters.Entities.SystemParameter", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("参数键，租户内唯一。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("参数值，支持文本或 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("system_parameters", null, t =>
+                        {
+                            t.HasComment("系统参数实体：支持按租户维护的键值型配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", "Group")
+                        .WithMany("Items")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Navigation("Items");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230140335_AddCacheInvalidationLogs.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230140335_AddCacheInvalidationLogs.cs
new file mode 100644
index 0000000..cafa46c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230140335_AddCacheInvalidationLogs.cs
@@ -0,0 +1,54 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    /// <inheritdoc />
+    public partial class AddCacheInvalidationLogs : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "dictionary_cache_invalidation_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Timestamp = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "发生时间（UTC）。"),
+                    DictionaryCode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "字典编码。"),
+                    Scope = table.Column<int>(type: "integer", nullable: false, comment: "字典作用域。"),
+                    AffectedCacheKeyCount = table.Column<int>(type: "integer", nullable: false, comment: "影响的缓存键数量。"),
+                    OperatorId = table.Column<long>(type: "bigint", nullable: false, comment: "操作人用户标识。"),
+                    Operation = table.Column<int>(type: "integer", nullable: false, comment: "操作类型。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_dictionary_cache_invalidation_logs", x => x.Id);
+                },
+                comment: "字典缓存失效日志。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_cache_invalidation_logs_TenantId_Timestamp",
+                table: "dictionary_cache_invalidation_logs",
+                columns: new[] { "TenantId", "Timestamp" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "dictionary_cache_invalidation_logs");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230170000_AddDictionaryRowVersionTriggers.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230170000_AddDictionaryRowVersionTriggers.cs
new file mode 100644
index 0000000..076fc33
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230170000_AddDictionaryRowVersionTriggers.cs
@@ -0,0 +1,77 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    /// <summary>
+    /// 为字典表添加 RowVersion 自动生成触发器。
+    /// </summary>
+    [DbContext(typeof(DictionaryDbContext))]
+    [Migration("20251230170000_AddDictionaryRowVersionTriggers")]
+    public partial class AddDictionaryRowVersionTriggers : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // 1. 创建通用的 RowVersion 生成函数
+            migrationBuilder.Sql(
+                """
+                CREATE OR REPLACE FUNCTION public.set_dictionary_row_version()
+                RETURNS trigger AS $$
+                BEGIN
+                    NEW."RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex');
+                    RETURN NEW;
+                END;
+                $$ LANGUAGE plpgsql;
+                """);
+
+            // 2. 为 dictionary_groups 表创建触发器
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_dictionary_groups_row_version ON dictionary_groups;
+                CREATE TRIGGER trg_dictionary_groups_row_version
+                BEFORE INSERT OR UPDATE ON dictionary_groups
+                FOR EACH ROW EXECUTE FUNCTION public.set_dictionary_row_version();
+                """);
+
+            // 3. 为 dictionary_items 表创建触发器
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_dictionary_items_row_version ON dictionary_items;
+                CREATE TRIGGER trg_dictionary_items_row_version
+                BEFORE INSERT OR UPDATE ON dictionary_items
+                FOR EACH ROW EXECUTE FUNCTION public.set_dictionary_row_version();
+                """);
+
+            // 4. 回填现有 dictionary_groups 数据的 RowVersion
+            migrationBuilder.Sql(
+                """
+                UPDATE dictionary_groups
+                SET "RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex')
+                WHERE "RowVersion" IS NULL OR octet_length("RowVersion") = 0;
+                """);
+
+            // 5. 回填现有 dictionary_items 数据的 RowVersion
+            migrationBuilder.Sql(
+                """
+                UPDATE dictionary_items
+                SET "RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex')
+                WHERE "RowVersion" IS NULL OR octet_length("RowVersion") = 0;
+                """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_dictionary_groups_row_version ON dictionary_groups;
+                DROP TRIGGER IF EXISTS trg_dictionary_items_row_version ON dictionary_items;
+                DROP FUNCTION IF EXISTS public.set_dictionary_row_version();
+                """);
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230232516_AddDictionaryLabelOverrides.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230232516_AddDictionaryLabelOverrides.Designer.cs
new file mode 100644
index 0000000..621bacd
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230232516_AddDictionaryLabelOverrides.Designer.cs
@@ -0,0 +1,633 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    [DbContext(typeof(DictionaryDbContext))]
+    [Migration("20251230232516_AddDictionaryLabelOverrides")]
+    partial class AddDictionaryLabelOverrides
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.CacheInvalidationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AffectedCacheKeyCount")
+                        .HasColumnType("integer")
+                        .HasComment("影响的缓存键数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典编码。");
+
+                    b.Property<int>("Operation")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("字典作用域。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间（UTC）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Timestamp");
+
+                    b.ToTable("dictionary_cache_invalidation_logs", null, t =>
+                        {
+                            t.HasComment("字典缓存失效日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowOverride")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否允许租户覆盖。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("分组名称。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("分组作用域：系统/业务。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.HasIndex("TenantId", "Scope", "IsEnabled");
+
+                    b.ToTable("dictionary_groups", null, t =>
+                        {
+                            t.HasComment("参数字典分组（系统参数、业务参数）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryImportLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ConflictMode")
+                        .HasColumnType("integer")
+                        .HasComment("冲突处理模式。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryGroupCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典分组编码。");
+
+                    b.Property<TimeSpan>("Duration")
+                        .HasColumnType("interval")
+                        .HasComment("处理耗时。");
+
+                    b.Property<string>("ErrorDetails")
+                        .HasColumnType("jsonb")
+                        .HasComment("错误明细（JSON）。");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("导入文件名。");
+
+                    b.Property<long>("FileSize")
+                        .HasColumnType("bigint")
+                        .HasComment("文件大小（字节）。");
+
+                    b.Property<string>("Format")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("文件格式（CSV/JSON）。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<DateTime>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("处理时间（UTC）。");
+
+                    b.Property<int>("SkipCount")
+                        .HasColumnType("integer")
+                        .HasComment("跳过数量。");
+
+                    b.Property<int>("SuccessCount")
+                        .HasColumnType("integer")
+                        .HasComment("成功导入数量。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProcessedAt");
+
+                    b.ToTable("dictionary_import_logs", null, t =>
+                        {
+                            t.HasComment("字典导入审计日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<long>("GroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联分组 ID。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认项。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("字典项键。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("字典项值。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("GroupId", "IsEnabled", "SortOrder");
+
+                    b.HasIndex("TenantId", "GroupId", "Key")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.ToTable("dictionary_items", null, t =>
+                        {
+                            t.HasComment("参数字典项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryLabelOverride", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("删除时间（UTC）。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识。");
+
+                    b.Property<long>("DictionaryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("被覆盖的字典项 ID。");
+
+                    b.Property<string>("OriginalValue")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("原始显示值（JSON 格式，多语言）。");
+
+                    b.Property<int>("OverrideType")
+                        .HasColumnType("integer")
+                        .HasComment("覆盖类型。");
+
+                    b.Property<string>("OverrideValue")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("覆盖后的显示值（JSON 格式，多语言）。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("覆盖原因/备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID（覆盖目标租户）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近更新时间（UTC）。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DictionaryItemId");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "DictionaryItemId")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.HasIndex("TenantId", "OverrideType");
+
+                    b.ToTable("dictionary_label_overrides", null, t =>
+                        {
+                            t.HasComment("字典标签覆盖配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.TenantDictionaryOverride", b =>
+                {
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("SystemDictionaryGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统字典分组 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识。");
+
+                    b.Property<string>("CustomSortOrder")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("自定义排序映射（JSON）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("删除时间（UTC）。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识。");
+
+                    b.PrimitiveCollection<long[]>("HiddenSystemItemIds")
+                        .IsRequired()
+                        .HasColumnType("bigint[]")
+                        .HasComment("隐藏的系统字典项 ID 列表。");
+
+                    b.Property<bool>("OverrideEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否启用覆盖。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近更新时间（UTC）。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识。");
+
+                    b.HasKey("TenantId", "SystemDictionaryGroupId");
+
+                    b.HasIndex("HiddenSystemItemIds");
+
+                    NpgsqlIndexBuilderExtensions.HasMethod(b.HasIndex("HiddenSystemItemIds"), "gin");
+
+                    b.ToTable("tenant_dictionary_overrides", null, t =>
+                        {
+                            t.HasComment("租户字典覆盖配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.SystemParameters.Entities.SystemParameter", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("参数键，租户内唯一。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("参数值，支持文本或 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("system_parameters", null, t =>
+                        {
+                            t.HasComment("系统参数实体：支持按租户维护的键值型配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", "Group")
+                        .WithMany("Items")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryLabelOverride", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", "DictionaryItem")
+                        .WithMany()
+                        .HasForeignKey("DictionaryItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("DictionaryItem");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Navigation("Items");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230232516_AddDictionaryLabelOverrides.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230232516_AddDictionaryLabelOverrides.cs
new file mode 100644
index 0000000..51687b4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251230232516_AddDictionaryLabelOverrides.cs
@@ -0,0 +1,76 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    /// <inheritdoc />
+    public partial class AddDictionaryLabelOverrides : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "dictionary_label_overrides",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID（覆盖目标租户）。"),
+                    DictionaryItemId = table.Column<long>(type: "bigint", nullable: false, comment: "被覆盖的字典项 ID。"),
+                    OriginalValue = table.Column<string>(type: "jsonb", nullable: false, comment: "原始显示值（JSON 格式，多语言）。"),
+                    OverrideValue = table.Column<string>(type: "jsonb", nullable: false, comment: "覆盖后的显示值（JSON 格式，多语言）。"),
+                    OverrideType = table.Column<int>(type: "integer", nullable: false, comment: "覆盖类型。"),
+                    Reason = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "覆盖原因/备注。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近更新时间（UTC）。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "删除时间（UTC）。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_dictionary_label_overrides", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_dictionary_label_overrides_dictionary_items_DictionaryItemId",
+                        column: x => x.DictionaryItemId,
+                        principalTable: "dictionary_items",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                },
+                comment: "字典标签覆盖配置。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_label_overrides_DictionaryItemId",
+                table: "dictionary_label_overrides",
+                column: "DictionaryItemId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_label_overrides_TenantId",
+                table: "dictionary_label_overrides",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_label_overrides_TenantId_DictionaryItemId",
+                table: "dictionary_label_overrides",
+                columns: new[] { "TenantId", "DictionaryItemId" },
+                unique: true,
+                filter: "\"DeletedAt\" IS NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_dictionary_label_overrides_TenantId_OverrideType",
+                table: "dictionary_label_overrides",
+                columns: new[] { "TenantId", "OverrideType" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "dictionary_label_overrides");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/DictionaryDbContextModelSnapshot.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/DictionaryDbContextModelSnapshot.cs
new file mode 100644
index 0000000..bda7474
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/DictionaryDbContextModelSnapshot.cs
@@ -0,0 +1,630 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
+{
+    [DbContext(typeof(DictionaryDbContext))]
+    partial class DictionaryDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.CacheInvalidationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AffectedCacheKeyCount")
+                        .HasColumnType("integer")
+                        .HasComment("影响的缓存键数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典编码。");
+
+                    b.Property<int>("Operation")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("字典作用域。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间（UTC）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Timestamp");
+
+                    b.ToTable("dictionary_cache_invalidation_logs", null, t =>
+                        {
+                            t.HasComment("字典缓存失效日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowOverride")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否允许租户覆盖。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("分组名称。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Scope")
+                        .HasColumnType("integer")
+                        .HasComment("分组作用域：系统/业务。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.HasIndex("TenantId", "Scope", "IsEnabled");
+
+                    b.ToTable("dictionary_groups", null, t =>
+                        {
+                            t.HasComment("参数字典分组（系统参数、业务参数）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryImportLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ConflictMode")
+                        .HasColumnType("integer")
+                        .HasComment("冲突处理模式。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DictionaryGroupCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("字典分组编码。");
+
+                    b.Property<TimeSpan>("Duration")
+                        .HasColumnType("interval")
+                        .HasComment("处理耗时。");
+
+                    b.Property<string>("ErrorDetails")
+                        .HasColumnType("jsonb")
+                        .HasComment("错误明细（JSON）。");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("导入文件名。");
+
+                    b.Property<long>("FileSize")
+                        .HasColumnType("bigint")
+                        .HasComment("文件大小（字节）。");
+
+                    b.Property<string>("Format")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("文件格式（CSV/JSON）。");
+
+                    b.Property<long>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人用户标识。");
+
+                    b.Property<DateTime>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("处理时间（UTC）。");
+
+                    b.Property<int>("SkipCount")
+                        .HasColumnType("integer")
+                        .HasComment("跳过数量。");
+
+                    b.Property<int>("SuccessCount")
+                        .HasColumnType("integer")
+                        .HasComment("成功导入数量。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProcessedAt");
+
+                    b.ToTable("dictionary_import_logs", null, t =>
+                        {
+                            t.HasComment("字典导入审计日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<long>("GroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联分组 ID。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认项。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("字典项键。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("字典项值。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("GroupId", "IsEnabled", "SortOrder");
+
+                    b.HasIndex("TenantId", "GroupId", "Key")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.ToTable("dictionary_items", null, t =>
+                        {
+                            t.HasComment("参数字典项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryLabelOverride", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("删除时间（UTC）。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识。");
+
+                    b.Property<long>("DictionaryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("被覆盖的字典项 ID。");
+
+                    b.Property<string>("OriginalValue")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("原始显示值（JSON 格式，多语言）。");
+
+                    b.Property<int>("OverrideType")
+                        .HasColumnType("integer")
+                        .HasComment("覆盖类型。");
+
+                    b.Property<string>("OverrideValue")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("覆盖后的显示值（JSON 格式，多语言）。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("覆盖原因/备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID（覆盖目标租户）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近更新时间（UTC）。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DictionaryItemId");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "DictionaryItemId")
+                        .IsUnique()
+                        .HasFilter("\"DeletedAt\" IS NULL");
+
+                    b.HasIndex("TenantId", "OverrideType");
+
+                    b.ToTable("dictionary_label_overrides", null, t =>
+                        {
+                            t.HasComment("字典标签覆盖配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.TenantDictionaryOverride", b =>
+                {
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("SystemDictionaryGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统字典分组 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识。");
+
+                    b.Property<string>("CustomSortOrder")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("自定义排序映射（JSON）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("删除时间（UTC）。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识。");
+
+                    b.PrimitiveCollection<long[]>("HiddenSystemItemIds")
+                        .IsRequired()
+                        .HasColumnType("bigint[]")
+                        .HasComment("隐藏的系统字典项 ID 列表。");
+
+                    b.Property<bool>("OverrideEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否启用覆盖。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近更新时间（UTC）。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识。");
+
+                    b.HasKey("TenantId", "SystemDictionaryGroupId");
+
+                    b.HasIndex("HiddenSystemItemIds");
+
+                    NpgsqlIndexBuilderExtensions.HasMethod(b.HasIndex("HiddenSystemItemIds"), "gin");
+
+                    b.ToTable("tenant_dictionary_overrides", null, t =>
+                        {
+                            t.HasComment("租户字典覆盖配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.SystemParameters.Entities.SystemParameter", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述信息。");
+
+                    b.Property<bool>("IsEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("参数键，租户内唯一。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值，越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("参数值，支持文本或 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Key")
+                        .IsUnique();
+
+                    b.ToTable("system_parameters", null, t =>
+                        {
+                            t.HasComment("系统参数实体：支持按租户维护的键值型配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", "Group")
+                        .WithMany("Items")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryLabelOverride", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryItem", "DictionaryItem")
+                        .WithMany()
+                        .HasForeignKey("DictionaryItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("DictionaryItem");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Dictionary.Entities.DictionaryGroup", b =>
+                {
+                    b.Navigation("Items");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.Designer.cs
new file mode 100644
index 0000000..87e37a5
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.Designer.cs
@@ -0,0 +1,189 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251202005226_InitSnowflake_Identity")]
+    partial class InitSnowflake_Identity
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<string>("Permissions")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("权限集合。");
+
+                    b.Property<string>("Roles")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("角色集合。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs
new file mode 100644
index 0000000..4893332
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs
@@ -0,0 +1,98 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class InitSnowflake_Identity : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "identity_users",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Account = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "登录账号。"),
+                    DisplayName = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "展示名称。"),
+                    PasswordHash = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "密码哈希。"),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: true, comment: "所属商户（平台管理员为空）。"),
+                    Roles = table.Column<string>(type: "text", nullable: false, comment: "角色集合。"),
+                    Permissions = table.Column<string>(type: "text", nullable: false, comment: "权限集合。"),
+                    Avatar = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "头像地址。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_identity_users", x => x.Id);
+                },
+                comment: "管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+
+            migrationBuilder.CreateTable(
+                name: "mini_users",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    OpenId = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "微信 OpenId。"),
+                    UnionId = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: true, comment: "微信 UnionId，可能为空。"),
+                    Nickname = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "昵称。"),
+                    Avatar = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "头像地址。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_mini_users", x => x.Id);
+                },
+                comment: "小程序用户实体。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_identity_users_TenantId",
+                table: "identity_users",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_identity_users_TenantId_Account",
+                table: "identity_users",
+                columns: new[] { "TenantId", "Account" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_mini_users_TenantId",
+                table: "mini_users",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_mini_users_TenantId_OpenId",
+                table: "mini_users",
+                columns: new[] { "TenantId", "OpenId" },
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "identity_users");
+
+            migrationBuilder.DropTable(
+                name: "mini_users");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.Designer.cs
new file mode 100644
index 0000000..aeeb414
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.Designer.cs
@@ -0,0 +1,429 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251202084523_AddRbacModel")]
+    partial class AddRbacModel
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs
new file mode 100644
index 0000000..42a404e
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs
@@ -0,0 +1,189 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddRbacModel : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Permissions",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "Roles",
+                table: "identity_users");
+
+            migrationBuilder.CreateTable(
+                name: "permissions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "权限名称。"),
+                    Code = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "权限编码（租户内唯一）。"),
+                    Description = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "描述。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_permissions", x => x.Id);
+                },
+                comment: "权限定义。");
+
+            migrationBuilder.CreateTable(
+                name: "role_permissions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RoleId = table.Column<long>(type: "bigint", nullable: false, comment: "角色 ID。"),
+                    PermissionId = table.Column<long>(type: "bigint", nullable: false, comment: "权限 ID。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_role_permissions", x => x.Id);
+                },
+                comment: "角色-权限关系。");
+
+            migrationBuilder.CreateTable(
+                name: "roles",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "角色名称。"),
+                    Code = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "角色编码（租户内唯一）。"),
+                    Description = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "描述。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_roles", x => x.Id);
+                },
+                comment: "角色定义。");
+
+            migrationBuilder.CreateTable(
+                name: "user_roles",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<long>(type: "bigint", nullable: false, comment: "用户 ID。"),
+                    RoleId = table.Column<long>(type: "bigint", nullable: false, comment: "角色 ID。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_user_roles", x => x.Id);
+                },
+                comment: "用户-角色关系。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_permissions_TenantId",
+                table: "permissions",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_permissions_TenantId_Code",
+                table: "permissions",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_role_permissions_TenantId",
+                table: "role_permissions",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_role_permissions_TenantId_RoleId_PermissionId",
+                table: "role_permissions",
+                columns: new[] { "TenantId", "RoleId", "PermissionId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_roles_TenantId",
+                table: "roles",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_roles_TenantId_Code",
+                table: "roles",
+                columns: new[] { "TenantId", "Code" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_user_roles_TenantId",
+                table: "user_roles",
+                column: "TenantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_user_roles_TenantId_UserId_RoleId",
+                table: "user_roles",
+                columns: new[] { "TenantId", "UserId", "RoleId" },
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "permissions");
+
+            migrationBuilder.DropTable(
+                name: "role_permissions");
+
+            migrationBuilder.DropTable(
+                name: "roles");
+
+            migrationBuilder.DropTable(
+                name: "user_roles");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Permissions",
+                table: "identity_users",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                comment: "权限集合。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Roles",
+                table: "identity_users",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                comment: "角色集合。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070039_AddRoleTemplateTables.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070039_AddRoleTemplateTables.Designer.cs
new file mode 100644
index 0000000..d7309a7
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070039_AddRoleTemplateTables.Designer.cs
@@ -0,0 +1,548 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251204070039_AddRoleTemplateTables")]
+    partial class AddRoleTemplateTables
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070039_AddRoleTemplateTables.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070039_AddRoleTemplateTables.cs
new file mode 100644
index 0000000..c540868
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070039_AddRoleTemplateTables.cs
@@ -0,0 +1,82 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddRoleTemplateTables : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "role_template_permissions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RoleTemplateId = table.Column<long>(type: "bigint", nullable: false, comment: "模板 ID。"),
+                    PermissionCode = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "权限编码。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_role_template_permissions", x => x.Id);
+                },
+                comment: "角色模板-权限关系（平台级）。");
+
+            migrationBuilder.CreateTable(
+                name: "role_templates",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    TemplateCode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "模板编码（唯一）。"),
+                    Name = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "模板名称。"),
+                    Description = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true, comment: "模板描述。"),
+                    IsActive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否启用。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_role_templates", x => x.Id);
+                },
+                comment: "角色模板定义（平台级）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_role_template_permissions_RoleTemplateId_PermissionCode",
+                table: "role_template_permissions",
+                columns: new[] { "RoleTemplateId", "PermissionCode" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_role_templates_TemplateCode",
+                table: "role_templates",
+                column: "TemplateCode",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "role_template_permissions");
+
+            migrationBuilder.DropTable(
+                name: "role_templates");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070108_AddRoleTemplateModel.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070108_AddRoleTemplateModel.Designer.cs
new file mode 100644
index 0000000..641de90
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070108_AddRoleTemplateModel.Designer.cs
@@ -0,0 +1,548 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251204070108_AddRoleTemplateModel")]
+    partial class AddRoleTemplateModel
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070108_AddRoleTemplateModel.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070108_AddRoleTemplateModel.cs
new file mode 100644
index 0000000..c3d38e4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251204070108_AddRoleTemplateModel.cs
@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddRoleTemplateModel : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251205131436_AddMenuDefinitions.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251205131436_AddMenuDefinitions.Designer.cs
new file mode 100644
index 0000000..52a63a8
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251205131436_AddMenuDefinitions.Designer.cs
@@ -0,0 +1,667 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251205131436_AddMenuDefinitions")]
+    partial class AddMenuDefinitions
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MenuDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AuthListJson")
+                        .HasColumnType("text")
+                        .HasComment("按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。");
+
+                    b.Property<string>("Component")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("组件路径（不含 .vue）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Icon")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("图标标识。");
+
+                    b.Property<bool>("IsIframe")
+                        .HasColumnType("boolean")
+                        .HasComment("是否 iframe。");
+
+                    b.Property<bool>("KeepAlive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否缓存。");
+
+                    b.Property<string>("Link")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("外链或 iframe 地址。");
+
+                    b.Property<string>("MetaPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.permissions（逗号分隔）。");
+
+                    b.Property<string>("MetaRoles")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.roles（逗号分隔）。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("菜单名称（前端路由 name）。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级菜单 ID，根节点为 0。");
+
+                    b.Property<string>("Path")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("路由路径。");
+
+                    b.Property<string>("RequiredPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("访问该菜单所需的权限集合（逗号分隔）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("menu_definitions", null, t =>
+                        {
+                            t.HasComment("管理端菜单定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251205131436_AddMenuDefinitions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251205131436_AddMenuDefinitions.cs
new file mode 100644
index 0000000..7713d9b
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251205131436_AddMenuDefinitions.cs
@@ -0,0 +1,62 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddMenuDefinitions : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "menu_definitions",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ParentId = table.Column<long>(type: "bigint", nullable: false, comment: "父级菜单 ID，根节点为 0。"),
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "菜单名称（前端路由 name）。"),
+                    Path = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "路由路径。"),
+                    Component = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false, comment: "组件路径（不含 .vue）。"),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "标题。"),
+                    Icon = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true, comment: "图标标识。"),
+                    IsIframe = table.Column<bool>(type: "boolean", nullable: false, comment: "是否 iframe。"),
+                    Link = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "外链或 iframe 地址。"),
+                    KeepAlive = table.Column<bool>(type: "boolean", nullable: false, comment: "是否缓存。"),
+                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序。"),
+                    RequiredPermissions = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false, comment: "访问该菜单所需的权限集合（逗号分隔）。"),
+                    MetaPermissions = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false, comment: "Meta.permissions（逗号分隔）。"),
+                    MetaRoles = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false, comment: "Meta.roles（逗号分隔）。"),
+                    AuthListJson = table.Column<string>(type: "text", nullable: true, comment: "按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_menu_definitions", x => x.Id);
+                },
+                comment: "管理端菜单定义。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_menu_definitions_TenantId_ParentId_SortOrder",
+                table: "menu_definitions",
+                columns: new[] { "TenantId", "ParentId", "SortOrder" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "menu_definitions");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251206021946_AddPermissionHierarchyFields.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251206021946_AddPermissionHierarchyFields.Designer.cs
new file mode 100644
index 0000000..f806b14
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251206021946_AddPermissionHierarchyFields.Designer.cs
@@ -0,0 +1,683 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251206021946_AddPermissionHierarchyFields")]
+    partial class AddPermissionHierarchyFields
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MenuDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AuthListJson")
+                        .HasColumnType("text")
+                        .HasComment("按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。");
+
+                    b.Property<string>("Component")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("组件路径（不含 .vue）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Icon")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("图标标识。");
+
+                    b.Property<bool>("IsIframe")
+                        .HasColumnType("boolean")
+                        .HasComment("是否 iframe。");
+
+                    b.Property<bool>("KeepAlive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否缓存。");
+
+                    b.Property<string>("Link")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("外链或 iframe 地址。");
+
+                    b.Property<string>("MetaPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.permissions（逗号分隔）。");
+
+                    b.Property<string>("MetaRoles")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.roles（逗号分隔）。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("菜单名称（前端路由 name）。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级菜单 ID，根节点为 0。");
+
+                    b.Property<string>("Path")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("路由路径。");
+
+                    b.Property<string>("RequiredPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("访问该菜单所需的权限集合（逗号分隔）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("menu_definitions", null, t =>
+                        {
+                            t.HasComment("管理端菜单定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级权限 ID，根节点为 0。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值，值越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("权限类型（group/leaf）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251206021946_AddPermissionHierarchyFields.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251206021946_AddPermissionHierarchyFields.cs
new file mode 100644
index 0000000..65de3d4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251206021946_AddPermissionHierarchyFields.cs
@@ -0,0 +1,67 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddPermissionHierarchyFields : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<long>(
+                name: "ParentId",
+                table: "permissions",
+                type: "bigint",
+                nullable: false,
+                defaultValue: 0L,
+                comment: "父级权限 ID，根节点为 0。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "SortOrder",
+                table: "permissions",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "排序值，值越小越靠前。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Type",
+                table: "permissions",
+                type: "character varying(16)",
+                maxLength: 16,
+                nullable: false,
+                defaultValue: "leaf",
+                comment: "权限类型（group/leaf）。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_permissions_TenantId_ParentId_SortOrder",
+                table: "permissions",
+                columns: new[] { "TenantId", "ParentId", "SortOrder" });
+
+            migrationBuilder.Sql(
+                "UPDATE \"permissions\" SET \"Type\" = 'leaf' WHERE \"Type\" IS NULL OR \"Type\" = '';");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_permissions_TenantId_ParentId_SortOrder",
+                table: "permissions");
+
+            migrationBuilder.DropColumn(
+                name: "ParentId",
+                table: "permissions");
+
+            migrationBuilder.DropColumn(
+                name: "SortOrder",
+                table: "permissions");
+
+            migrationBuilder.DropColumn(
+                name: "Type",
+                table: "permissions");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251217092230_FixIdentitySchemaMismatch.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251217092230_FixIdentitySchemaMismatch.Designer.cs
new file mode 100644
index 0000000..6acfbd3
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251217092230_FixIdentitySchemaMismatch.Designer.cs
@@ -0,0 +1,681 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251217092230_FixIdentitySchemaMismatch")]
+    partial class FixIdentitySchemaMismatch
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MenuDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AuthListJson")
+                        .HasColumnType("text")
+                        .HasComment("按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。");
+
+                    b.Property<string>("Component")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("组件路径（不含 .vue）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Icon")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("图标标识。");
+
+                    b.Property<bool>("IsIframe")
+                        .HasColumnType("boolean")
+                        .HasComment("是否 iframe。");
+
+                    b.Property<bool>("KeepAlive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否缓存。");
+
+                    b.Property<string>("Link")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("外链或 iframe 地址。");
+
+                    b.Property<string>("MetaPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.permissions（逗号分隔）。");
+
+                    b.Property<string>("MetaRoles")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.roles（逗号分隔）。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("菜单名称（前端路由 name）。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级菜单 ID，根节点为 0。");
+
+                    b.Property<string>("Path")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("路由路径。");
+
+                    b.Property<string>("RequiredPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("访问该菜单所需的权限集合（逗号分隔）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("menu_definitions", null, t =>
+                        {
+                            t.HasComment("管理端菜单定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级权限 ID，根节点为 0。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值，值越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("权限类型（group/leaf）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251217092230_FixIdentitySchemaMismatch.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251217092230_FixIdentitySchemaMismatch.cs
new file mode 100644
index 0000000..9bd30e4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251217092230_FixIdentitySchemaMismatch.cs
@@ -0,0 +1,66 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class FixIdentitySchemaMismatch : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Avatar",
+                table: "mini_users",
+                type: "text",
+                nullable: true,
+                comment: "头像地址。",
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true,
+                oldComment: "头像地址。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Avatar",
+                table: "identity_users",
+                type: "text",
+                nullable: true,
+                comment: "头像地址。",
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true,
+                oldComment: "头像地址。");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Avatar",
+                table: "mini_users",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                comment: "头像地址。",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true,
+                oldComment: "头像地址。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Avatar",
+                table: "identity_users",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                comment: "头像地址。",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true,
+                oldComment: "头像地址。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251226174411_AddIdentityUserManagementFields.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251226174411_AddIdentityUserManagementFields.Designer.cs
new file mode 100644
index 0000000..f4bfb9c
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251226174411_AddIdentityUserManagementFields.Designer.cs
@@ -0,0 +1,726 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251226174411_AddIdentityUserManagementFields")]
+    partial class AddIdentityUserManagementFields
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱（租户内唯一）。");
+
+                    b.Property<int>("FailedLoginCount")
+                        .HasColumnType("integer")
+                        .HasComment("登录失败次数。");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近登录时间（UTC）。");
+
+                    b.Property<DateTime?>("LockedUntil")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("锁定截止时间（UTC）。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<bool>("MustChangePassword")
+                        .HasColumnType("boolean")
+                        .HasComment("是否强制修改密码。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号（租户内唯一）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("账号状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Email")
+                        .IsUnique()
+                        .HasFilter("\"Email\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "Phone")
+                        .IsUnique()
+                        .HasFilter("\"Phone\" IS NOT NULL");
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MenuDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AuthListJson")
+                        .HasColumnType("text")
+                        .HasComment("按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。");
+
+                    b.Property<string>("Component")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("组件路径（不含 .vue）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Icon")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("图标标识。");
+
+                    b.Property<bool>("IsIframe")
+                        .HasColumnType("boolean")
+                        .HasComment("是否 iframe。");
+
+                    b.Property<bool>("KeepAlive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否缓存。");
+
+                    b.Property<string>("Link")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("外链或 iframe 地址。");
+
+                    b.Property<string>("MetaPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.permissions（逗号分隔）。");
+
+                    b.Property<string>("MetaRoles")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.roles（逗号分隔）。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("菜单名称（前端路由 name）。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级菜单 ID，根节点为 0。");
+
+                    b.Property<string>("Path")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("路由路径。");
+
+                    b.Property<string>("RequiredPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("访问该菜单所需的权限集合（逗号分隔）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("menu_definitions", null, t =>
+                        {
+                            t.HasComment("管理端菜单定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级权限 ID，根节点为 0。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值，值越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("权限类型（group/leaf）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251226174411_AddIdentityUserManagementFields.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251226174411_AddIdentityUserManagementFields.cs
new file mode 100644
index 0000000..a7a6f13
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251226174411_AddIdentityUserManagementFields.cs
@@ -0,0 +1,178 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddIdentityUserManagementFields : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "Email",
+                table: "identity_users",
+                type: "character varying(128)",
+                maxLength: 128,
+                nullable: true,
+                comment: "邮箱（租户内唯一）。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "FailedLoginCount",
+                table: "identity_users",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0,
+                comment: "登录失败次数。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "LastLoginAt",
+                table: "identity_users",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "最近登录时间（UTC）。");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "LockedUntil",
+                table: "identity_users",
+                type: "timestamp with time zone",
+                nullable: true,
+                comment: "锁定截止时间（UTC）。");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "MustChangePassword",
+                table: "identity_users",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false,
+                comment: "是否强制修改密码。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Phone",
+                table: "identity_users",
+                type: "character varying(32)",
+                maxLength: 32,
+                nullable: true,
+                comment: "手机号（租户内唯一）。");
+
+            migrationBuilder.AddColumn<byte[]>(
+                name: "RowVersion",
+                table: "identity_users",
+                type: "bytea",
+                rowVersion: true,
+                nullable: false,
+                defaultValue: new byte[0],
+                comment: "并发控制字段。");
+
+            migrationBuilder.AddColumn<int>(
+                name: "Status",
+                table: "identity_users",
+                type: "integer",
+                nullable: false,
+                defaultValue: 1,
+                comment: "账号状态。");
+
+            // 1. 修复历史用户默认状态为启用
+            migrationBuilder.Sql(
+                """
+                UPDATE identity_users
+                SET "Status" = 1
+                WHERE "Status" = 0;
+                """);
+
+            // 2. 创建 RowVersion 触发器，确保并发字段自动更新
+            migrationBuilder.Sql(
+                """
+                CREATE OR REPLACE FUNCTION public.set_identity_user_row_version()
+                RETURNS trigger AS $$
+                BEGIN
+                    NEW."RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex');
+                    RETURN NEW;
+                END;
+                $$ LANGUAGE plpgsql;
+                """);
+
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_identity_users_row_version ON identity_users;
+                CREATE TRIGGER trg_identity_users_row_version
+                BEFORE INSERT OR UPDATE ON identity_users
+                FOR EACH ROW EXECUTE FUNCTION public.set_identity_user_row_version();
+                """);
+
+            // 3. 回填已有数据的 RowVersion
+            migrationBuilder.Sql(
+                """
+                UPDATE identity_users
+                SET "RowVersion" = decode(md5(random()::text || clock_timestamp()::text), 'hex')
+                WHERE "RowVersion" IS NULL OR octet_length("RowVersion") = 0;
+                """);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_identity_users_TenantId_Email",
+                table: "identity_users",
+                columns: new[] { "TenantId", "Email" },
+                unique: true,
+                filter: "\"Email\" IS NOT NULL");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_identity_users_TenantId_Phone",
+                table: "identity_users",
+                columns: new[] { "TenantId", "Phone" },
+                unique: true,
+                filter: "\"Phone\" IS NOT NULL");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                """
+                DROP TRIGGER IF EXISTS trg_identity_users_row_version ON identity_users;
+                DROP FUNCTION IF EXISTS public.set_identity_user_row_version();
+                """);
+
+            migrationBuilder.DropIndex(
+                name: "IX_identity_users_TenantId_Email",
+                table: "identity_users");
+
+            migrationBuilder.DropIndex(
+                name: "IX_identity_users_TenantId_Phone",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "Email",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "FailedLoginCount",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "LastLoginAt",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "LockedUntil",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "MustChangePassword",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "Phone",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "RowVersion",
+                table: "identity_users");
+
+            migrationBuilder.DropColumn(
+                name: "Status",
+                table: "identity_users");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251227004313_AddIdentityOutbox.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251227004313_AddIdentityOutbox.Designer.cs
new file mode 100644
index 0000000..9435bd5
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251227004313_AddIdentityOutbox.Designer.cs
@@ -0,0 +1,847 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    [Migration("20251227004313_AddIdentityOutbox")]
+    partial class AddIdentityOutbox
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("MassTransit.EntityFrameworkCoreIntegration.OutboxMessage", b =>
+                {
+                    b.Property<long>("SequenceNumber")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("SequenceNumber"));
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<Guid?>("ConversationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("CorrelationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("DestinationAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<DateTime?>("EnqueueTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("ExpirationTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("FaultAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("Headers")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("InboxConsumerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("InboxMessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("InitiatorId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("MessageType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("OutboxId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Properties")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RequestId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ResponseAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<DateTime>("SentTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("SourceAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("SequenceNumber");
+
+                    b.HasIndex("EnqueueTime");
+
+                    b.HasIndex("ExpirationTime");
+
+                    b.HasIndex("OutboxId", "SequenceNumber")
+                        .IsUnique();
+
+                    b.HasIndex("InboxMessageId", "InboxConsumerId", "SequenceNumber")
+                        .IsUnique();
+
+                    b.ToTable("OutboxMessage");
+                });
+
+            modelBuilder.Entity("MassTransit.EntityFrameworkCoreIntegration.OutboxState", b =>
+                {
+                    b.Property<Guid>("OutboxId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("Delivered")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<long?>("LastSequenceNumber")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("LockId")
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea");
+
+                    b.HasKey("OutboxId");
+
+                    b.HasIndex("Created");
+
+                    b.ToTable("OutboxState");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱（租户内唯一）。");
+
+                    b.Property<int>("FailedLoginCount")
+                        .HasColumnType("integer")
+                        .HasComment("登录失败次数。");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近登录时间（UTC）。");
+
+                    b.Property<DateTime?>("LockedUntil")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("锁定截止时间（UTC）。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<bool>("MustChangePassword")
+                        .HasColumnType("boolean")
+                        .HasComment("是否强制修改密码。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号（租户内唯一）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("账号状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Email")
+                        .IsUnique()
+                        .HasFilter("\"Email\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "Phone")
+                        .IsUnique()
+                        .HasFilter("\"Phone\" IS NOT NULL");
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MenuDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AuthListJson")
+                        .HasColumnType("text")
+                        .HasComment("按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。");
+
+                    b.Property<string>("Component")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("组件路径（不含 .vue）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Icon")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("图标标识。");
+
+                    b.Property<bool>("IsIframe")
+                        .HasColumnType("boolean")
+                        .HasComment("是否 iframe。");
+
+                    b.Property<bool>("KeepAlive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否缓存。");
+
+                    b.Property<string>("Link")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("外链或 iframe 地址。");
+
+                    b.Property<string>("MetaPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.permissions（逗号分隔）。");
+
+                    b.Property<string>("MetaRoles")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.roles（逗号分隔）。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("菜单名称（前端路由 name）。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级菜单 ID，根节点为 0。");
+
+                    b.Property<string>("Path")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("路由路径。");
+
+                    b.Property<string>("RequiredPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("访问该菜单所需的权限集合（逗号分隔）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("menu_definitions", null, t =>
+                        {
+                            t.HasComment("管理端菜单定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级权限 ID，根节点为 0。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值，值越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("权限类型（group/leaf）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251227004313_AddIdentityOutbox.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251227004313_AddIdentityOutbox.cs
new file mode 100644
index 0000000..2e903cf
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251227004313_AddIdentityOutbox.cs
@@ -0,0 +1,101 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    /// <inheritdoc />
+    public partial class AddIdentityOutbox : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "OutboxMessage",
+                columns: table => new
+                {
+                    SequenceNumber = table.Column<long>(type: "bigint", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    EnqueueTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    SentTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    Headers = table.Column<string>(type: "text", nullable: true),
+                    Properties = table.Column<string>(type: "text", nullable: true),
+                    InboxMessageId = table.Column<Guid>(type: "uuid", nullable: true),
+                    InboxConsumerId = table.Column<Guid>(type: "uuid", nullable: true),
+                    OutboxId = table.Column<Guid>(type: "uuid", nullable: true),
+                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ContentType = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    MessageType = table.Column<string>(type: "text", nullable: false),
+                    Body = table.Column<string>(type: "text", nullable: false),
+                    ConversationId = table.Column<Guid>(type: "uuid", nullable: true),
+                    CorrelationId = table.Column<Guid>(type: "uuid", nullable: true),
+                    InitiatorId = table.Column<Guid>(type: "uuid", nullable: true),
+                    RequestId = table.Column<Guid>(type: "uuid", nullable: true),
+                    SourceAddress = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    DestinationAddress = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    ResponseAddress = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    FaultAddress = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    ExpirationTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OutboxMessage", x => x.SequenceNumber);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "OutboxState",
+                columns: table => new
+                {
+                    OutboxId = table.Column<Guid>(type: "uuid", nullable: false),
+                    LockId = table.Column<Guid>(type: "uuid", nullable: false),
+                    RowVersion = table.Column<byte[]>(type: "bytea", rowVersion: true, nullable: true),
+                    Created = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    Delivered = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    LastSequenceNumber = table.Column<long>(type: "bigint", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OutboxState", x => x.OutboxId);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OutboxMessage_EnqueueTime",
+                table: "OutboxMessage",
+                column: "EnqueueTime");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OutboxMessage_ExpirationTime",
+                table: "OutboxMessage",
+                column: "ExpirationTime");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OutboxMessage_InboxMessageId_InboxConsumerId_SequenceNumber",
+                table: "OutboxMessage",
+                columns: new[] { "InboxMessageId", "InboxConsumerId", "SequenceNumber" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OutboxMessage_OutboxId_SequenceNumber",
+                table: "OutboxMessage",
+                columns: new[] { "OutboxId", "SequenceNumber" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OutboxState_Created",
+                table: "OutboxState",
+                column: "Created");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "OutboxMessage");
+
+            migrationBuilder.DropTable(
+                name: "OutboxState");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/IdentityDbContextModelSnapshot.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/IdentityDbContextModelSnapshot.cs
new file mode 100644
index 0000000..07a3cad
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/IdentityDbContextModelSnapshot.cs
@@ -0,0 +1,844 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.IdentityDb
+{
+    [DbContext(typeof(IdentityDbContext))]
+    partial class IdentityDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("MassTransit.EntityFrameworkCoreIntegration.OutboxMessage", b =>
+                {
+                    b.Property<long>("SequenceNumber")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("SequenceNumber"));
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<Guid?>("ConversationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("CorrelationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("DestinationAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<DateTime?>("EnqueueTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("ExpirationTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("FaultAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("Headers")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("InboxConsumerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("InboxMessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("InitiatorId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("MessageType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("OutboxId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Properties")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RequestId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ResponseAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<DateTime>("SentTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("SourceAddress")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("SequenceNumber");
+
+                    b.HasIndex("EnqueueTime");
+
+                    b.HasIndex("ExpirationTime");
+
+                    b.HasIndex("OutboxId", "SequenceNumber")
+                        .IsUnique();
+
+                    b.HasIndex("InboxMessageId", "InboxConsumerId", "SequenceNumber")
+                        .IsUnique();
+
+                    b.ToTable("OutboxMessage");
+                });
+
+            modelBuilder.Entity("MassTransit.EntityFrameworkCoreIntegration.OutboxState", b =>
+                {
+                    b.Property<Guid>("OutboxId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Created")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("Delivered")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<long?>("LastSequenceNumber")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("LockId")
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea");
+
+                    b.HasKey("OutboxId");
+
+                    b.HasIndex("Created");
+
+                    b.ToTable("OutboxState");
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.IdentityUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Account")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("登录账号。");
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("展示名称。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱（租户内唯一）。");
+
+                    b.Property<int>("FailedLoginCount")
+                        .HasColumnType("integer")
+                        .HasComment("登录失败次数。");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近登录时间（UTC）。");
+
+                    b.Property<DateTime?>("LockedUntil")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("锁定截止时间（UTC）。");
+
+                    b.Property<long?>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户（平台管理员为空）。");
+
+                    b.Property<bool>("MustChangePassword")
+                        .HasColumnType("boolean")
+                        .HasComment("是否强制修改密码。");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("密码哈希。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号（租户内唯一）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("账号状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Account")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Email")
+                        .IsUnique()
+                        .HasFilter("\"Email\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "Phone")
+                        .IsUnique()
+                        .HasFilter("\"Phone\" IS NOT NULL");
+
+                    b.ToTable("identity_users", null, t =>
+                        {
+                            t.HasComment("管理后台账户实体（平台管理员、租户管理员或商户员工）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MenuDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AuthListJson")
+                        .HasColumnType("text")
+                        .HasComment("按钮权限列表 JSON（存储 MenuAuthItemDto 数组）。");
+
+                    b.Property<string>("Component")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("组件路径（不含 .vue）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Icon")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("图标标识。");
+
+                    b.Property<bool>("IsIframe")
+                        .HasColumnType("boolean")
+                        .HasComment("是否 iframe。");
+
+                    b.Property<bool>("KeepAlive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否缓存。");
+
+                    b.Property<string>("Link")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("外链或 iframe 地址。");
+
+                    b.Property<string>("MetaPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.permissions（逗号分隔）。");
+
+                    b.Property<string>("MetaRoles")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Meta.roles（逗号分隔）。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("菜单名称（前端路由 name）。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级菜单 ID，根节点为 0。");
+
+                    b.Property<string>("Path")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("路由路径。");
+
+                    b.Property<string>("RequiredPermissions")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("访问该菜单所需的权限集合（逗号分隔）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("menu_definitions", null, t =>
+                        {
+                            t.HasComment("管理端菜单定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.MiniUser", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Avatar")
+                        .HasColumnType("text")
+                        .HasComment("头像地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Nickname")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<string>("OpenId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 OpenId。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("UnionId")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("微信 UnionId，可能为空。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "OpenId")
+                        .IsUnique();
+
+                    b.ToTable("mini_users", null, t =>
+                        {
+                            t.HasComment("小程序用户实体。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Permission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("权限名称。");
+
+                    b.Property<long>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级权限 ID，根节点为 0。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值，值越小越靠前。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("权限类型（group/leaf）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "ParentId", "SortOrder");
+
+                    b.ToTable("permissions", null, t =>
+                        {
+                            t.HasComment("权限定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.Role", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色编码（租户内唯一）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("角色名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("roles", null, t =>
+                        {
+                            t.HasComment("角色定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RolePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PermissionId")
+                        .HasColumnType("bigint")
+                        .HasComment("权限 ID。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "RoleId", "PermissionId")
+                        .IsUnique();
+
+                    b.ToTable("role_permissions", null, t =>
+                        {
+                            t.HasComment("角色-权限关系。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("模板描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("TemplateCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("模板编码（唯一）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TemplateCode")
+                        .IsUnique();
+
+                    b.ToTable("role_templates", null, t =>
+                        {
+                            t.HasComment("角色模板定义（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.RoleTemplatePermission", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("PermissionCode")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("权限编码。");
+
+                    b.Property<long>("RoleTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleTemplateId", "PermissionCode")
+                        .IsUnique();
+
+                    b.ToTable("role_template_permissions", null, t =>
+                        {
+                            t.HasComment("角色模板-权限关系（平台级）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Identity.Entities.UserRole", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("RoleId")
+                        .HasColumnType("bigint")
+                        .HasComment("角色 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "UserId", "RoleId")
+                        .IsUnique();
+
+                    b.ToTable("user_roles", null, t =>
+                        {
+                            t.HasComment("用户-角色关系。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251226091835_InitLogsDb.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251226091835_InitLogsDb.Designer.cs
new file mode 100644
index 0000000..3adc7b7
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251226091835_InitLogsDb.Designer.cs
@@ -0,0 +1,335 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    [DbContext(typeof(TakeoutLogsDbContext))]
+    [Migration("20251226091835_InitLogsDb")]
+    partial class InitLogsDb
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251226091835_InitLogsDb.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251226091835_InitLogsDb.cs
new file mode 100644
index 0000000..fd7090a
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251226091835_InitLogsDb.cs
@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    /// <inheritdoc />
+    public partial class InitLogsDb : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}
+
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251227004337_AddOperationLogInboxMessages.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251227004337_AddOperationLogInboxMessages.Designer.cs
new file mode 100644
index 0000000..9e305a6
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251227004337_AddOperationLogInboxMessages.Designer.cs
@@ -0,0 +1,358 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    [DbContext(typeof(TakeoutLogsDbContext))]
+    [Migration("20251227004337_AddOperationLogInboxMessages")]
+    partial class AddOperationLogInboxMessages
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Infrastructure.Logs.Persistence.OperationLogInboxMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ConsumedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId")
+                        .IsUnique();
+
+                    b.ToTable("operation_log_inbox_messages", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251227004337_AddOperationLogInboxMessages.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251227004337_AddOperationLogInboxMessages.cs
new file mode 100644
index 0000000..f6e1232
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251227004337_AddOperationLogInboxMessages.cs
@@ -0,0 +1,43 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    /// <inheritdoc />
+    public partial class AddOperationLogInboxMessages : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "operation_log_inbox_messages",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ConsumedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_operation_log_inbox_messages", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_operation_log_inbox_messages_MessageId",
+                table: "operation_log_inbox_messages",
+                column: "MessageId",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "operation_log_inbox_messages");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251229071940_AddMerchantManagementLogs.Designer.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251229071940_AddMerchantManagementLogs.Designer.cs
new file mode 100644
index 0000000..5a8c373
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251229071940_AddMerchantManagementLogs.Designer.cs
@@ -0,0 +1,454 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    [DbContext(typeof(TakeoutLogsDbContext))]
+    [Migration("20251229071940_AddMerchantManagementLogs")]
+    partial class AddMerchantManagementLogs
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<string>("IpAddress")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("操作 IP。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MerchantId", "CreatedAt");
+
+                    b.HasIndex("TenantId", "CreatedAt");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantChangeLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("变更原因。");
+
+                    b.Property<string>("ChangeType")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)")
+                        .HasComment("变更类型。");
+
+                    b.Property<long?>("ChangedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("变更人 ID。");
+
+                    b.Property<string>("ChangedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("变更人名称。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("FieldName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("变更字段名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<string>("NewValue")
+                        .HasColumnType("text")
+                        .HasComment("变更后值。");
+
+                    b.Property<string>("OldValue")
+                        .HasColumnType("text")
+                        .HasComment("变更前值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MerchantId", "CreatedAt");
+
+                    b.HasIndex("TenantId", "CreatedAt");
+
+                    b.ToTable("merchant_change_logs", null, t =>
+                        {
+                            t.HasComment("商户变更日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Infrastructure.Logs.Persistence.OperationLogInboxMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ConsumedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId")
+                        .IsUnique();
+
+                    b.ToTable("operation_log_inbox_messages", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251229071940_AddMerchantManagementLogs.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251229071940_AddMerchantManagementLogs.cs
new file mode 100644
index 0000000..3da2be4
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/20251229071940_AddMerchantManagementLogs.cs
@@ -0,0 +1,141 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    /// <inheritdoc />
+    public partial class AddMerchantManagementLogs : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Title",
+                table: "merchant_audit_logs",
+                type: "character varying(200)",
+                maxLength: 200,
+                nullable: false,
+                comment: "标题。",
+                oldClrType: typeof(string),
+                oldType: "character varying(128)",
+                oldMaxLength: 128,
+                oldComment: "标题。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "OperatorName",
+                table: "merchant_audit_logs",
+                type: "character varying(100)",
+                maxLength: 100,
+                nullable: true,
+                comment: "操作人名称。",
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64,
+                oldNullable: true,
+                oldComment: "操作人名称。");
+
+            migrationBuilder.AddColumn<string>(
+                name: "IpAddress",
+                table: "merchant_audit_logs",
+                type: "character varying(50)",
+                maxLength: 50,
+                nullable: true,
+                comment: "操作 IP。");
+
+            migrationBuilder.CreateTable(
+                name: "merchant_change_logs",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    MerchantId = table.Column<long>(type: "bigint", nullable: false, comment: "商户标识。"),
+                    FieldName = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false, comment: "变更字段名。"),
+                    OldValue = table.Column<string>(type: "text", nullable: true, comment: "变更前值。"),
+                    NewValue = table.Column<string>(type: "text", nullable: true, comment: "变更后值。"),
+                    ChangeType = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false, comment: "变更类型。"),
+                    ChangedBy = table.Column<long>(type: "bigint", nullable: true, comment: "变更人 ID。"),
+                    ChangedByName = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: true, comment: "变更人名称。"),
+                    ChangeReason = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "变更原因。"),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
+                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
+                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
+                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
+                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
+                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
+                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_merchant_change_logs", x => x.Id);
+                },
+                comment: "商户变更日志。");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_audit_logs_MerchantId_CreatedAt",
+                table: "merchant_audit_logs",
+                columns: new[] { "MerchantId", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_audit_logs_TenantId_CreatedAt",
+                table: "merchant_audit_logs",
+                columns: new[] { "TenantId", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_change_logs_MerchantId_CreatedAt",
+                table: "merchant_change_logs",
+                columns: new[] { "MerchantId", "CreatedAt" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_merchant_change_logs_TenantId_CreatedAt",
+                table: "merchant_change_logs",
+                columns: new[] { "TenantId", "CreatedAt" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "merchant_change_logs");
+
+            migrationBuilder.DropIndex(
+                name: "IX_merchant_audit_logs_MerchantId_CreatedAt",
+                table: "merchant_audit_logs");
+
+            migrationBuilder.DropIndex(
+                name: "IX_merchant_audit_logs_TenantId_CreatedAt",
+                table: "merchant_audit_logs");
+
+            migrationBuilder.DropColumn(
+                name: "IpAddress",
+                table: "merchant_audit_logs");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Title",
+                table: "merchant_audit_logs",
+                type: "character varying(128)",
+                maxLength: 128,
+                nullable: false,
+                comment: "标题。",
+                oldClrType: typeof(string),
+                oldType: "character varying(200)",
+                oldMaxLength: 200,
+                oldComment: "标题。");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "OperatorName",
+                table: "merchant_audit_logs",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: true,
+                comment: "操作人名称。",
+                oldClrType: typeof(string),
+                oldType: "character varying(100)",
+                oldMaxLength: 100,
+                oldNullable: true,
+                oldComment: "操作人名称。");
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/TakeoutLogsDbContextModelSnapshot.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/TakeoutLogsDbContextModelSnapshot.cs
new file mode 100644
index 0000000..ad67000
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/TakeoutLogsDbContextModelSnapshot.cs
@@ -0,0 +1,451 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.Logs.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations.LogsDb
+{
+    [DbContext(typeof(TakeoutLogsDbContext))]
+    partial class TakeoutLogsDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberGrowthLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChangeValue")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentValue")
+                        .HasColumnType("integer")
+                        .HasComment("当前成长值。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_growth_logs", null, t =>
+                        {
+                            t.HasComment("成长值变动日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("动作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详情描述。");
+
+                    b.Property<string>("IpAddress")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("操作 IP。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MerchantId", "CreatedAt");
+
+                    b.HasIndex("TenantId", "CreatedAt");
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.ToTable("merchant_audit_logs", null, t =>
+                        {
+                            t.HasComment("商户入驻审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantChangeLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("变更原因。");
+
+                    b.Property<string>("ChangeType")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)")
+                        .HasComment("变更类型。");
+
+                    b.Property<long?>("ChangedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("变更人 ID。");
+
+                    b.Property<string>("ChangedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("变更人名称。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("FieldName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("变更字段名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("商户标识。");
+
+                    b.Property<string>("NewValue")
+                        .HasColumnType("text")
+                        .HasComment("变更后值。");
+
+                    b.Property<string>("OldValue")
+                        .HasColumnType("text")
+                        .HasComment("变更前值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MerchantId", "CreatedAt");
+
+                    b.HasIndex("TenantId", "CreatedAt");
+
+                    b.ToTable("merchant_change_logs", null, t =>
+                        {
+                            t.HasComment("商户变更日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.OperationLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("OperationType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作类型：BatchExtend, BatchRemind, StatusChange 等。");
+
+                    b.Property<string>("OperatorId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<string>("Parameters")
+                        .HasColumnType("text")
+                        .HasComment("操作参数（JSON）。");
+
+                    b.Property<string>("Result")
+                        .HasColumnType("text")
+                        .HasComment("操作结果（JSON）。");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("boolean")
+                        .HasComment("是否成功。");
+
+                    b.Property<string>("TargetIds")
+                        .HasColumnType("text")
+                        .HasComment("目标ID列表（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标类型：Subscription, Bill 等。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("OperationType", "CreatedAt");
+
+                    b.ToTable("operation_logs", null, t =>
+                        {
+                            t.HasComment("运营操作日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAuditLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int?>("CurrentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("新状态。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("详细描述。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("原状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的租户标识。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("日志标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.ToTable("tenant_audit_logs", null, t =>
+                        {
+                            t.HasComment("租户运营审核日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Infrastructure.Logs.Persistence.OperationLogInboxMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ConsumedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId")
+                        .IsUnique();
+
+                    b.ToTable("operation_log_inbox_messages", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/TakeoutAppDbContextModelSnapshot.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/TakeoutAppDbContextModelSnapshot.cs
new file mode 100644
index 0000000..9798c54
--- /dev/null
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/TakeoutAppDbContextModelSnapshot.cs
@@ -0,0 +1,7421 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+#nullable disable
+
+namespace TakeoutSaaS.Infrastructure.Migrations
+{
+    [DbContext(typeof(TakeoutAppDbContext))]
+    partial class TakeoutAppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricAlertRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("触发条件 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联指标。");
+
+                    b.Property<string>("NotificationChannels")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("通知渠道。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("告警级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "Severity");
+
+                    b.ToTable("metric_alert_rules", null, t =>
+                        {
+                            t.HasComment("指标告警规则。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricDefinition", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("指标编码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("DefaultAggregation")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("默认聚合方式。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("说明。");
+
+                    b.Property<string>("DimensionsJson")
+                        .HasColumnType("text")
+                        .HasComment("维度描述 JSON。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("指标名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("metric_definitions", null, t =>
+                        {
+                            t.HasComment("指标定义，描述可观测的数据点。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Analytics.Entities.MetricSnapshot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DimensionKey")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("维度键（JSON）。");
+
+                    b.Property<long>("MetricDefinitionId")
+                        .HasColumnType("bigint")
+                        .HasComment("指标定义 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("Value")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("numeric(18,4)")
+                        .HasComment("数值。");
+
+                    b.Property<DateTime>("WindowEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口结束。");
+
+                    b.Property<DateTime>("WindowStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("统计时间窗口开始。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MetricDefinitionId", "DimensionKey", "WindowStart", "WindowEnd")
+                        .IsUnique();
+
+                    b.ToTable("metric_snapshots", null, t =>
+                        {
+                            t.HasComment("指标快照，用于大盘展示。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.Coupon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("券码或序列号。");
+
+                    b.Property<long>("CouponTemplateId")
+                        .HasColumnType("bigint")
+                        .HasComment("模板标识。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<DateTime>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发放时间。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID（已使用时记录）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("UsedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("使用时间。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("归属用户。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.ToTable("coupons", null, t =>
+                        {
+                            t.HasComment("用户领取的券。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.CouponTemplate", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AllowStack")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许叠加其他优惠。");
+
+                    b.Property<string>("ChannelsJson")
+                        .HasColumnType("text")
+                        .HasComment("发放渠道（JSON）。");
+
+                    b.Property<int>("ClaimedQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("已领取数量。");
+
+                    b.Property<int>("CouponType")
+                        .HasColumnType("integer")
+                        .HasComment("券类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal?>("DiscountCap")
+                        .HasColumnType("numeric")
+                        .HasComment("折扣上限（针对折扣券）。");
+
+                    b.Property<decimal?>("MinimumSpend")
+                        .HasColumnType("numeric")
+                        .HasComment("最低消费门槛。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("模板名称。");
+
+                    b.Property<string>("ProductScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用品类或商品范围（JSON）。");
+
+                    b.Property<int?>("RelativeValidDays")
+                        .HasColumnType("integer")
+                        .HasComment("有效天数（相对发放时间）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("StoreScopeJson")
+                        .HasColumnType("text")
+                        .HasComment("适用门店 ID 集合（JSON）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<int?>("TotalQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("总发放数量上限。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("ValidFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用开始时间。");
+
+                    b.Property<DateTime?>("ValidTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("可用结束时间。");
+
+                    b.Property<decimal>("Value")
+                        .HasColumnType("numeric")
+                        .HasComment("面值或折扣额度。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("coupon_templates", null, t =>
+                        {
+                            t.HasComment("优惠券模板。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Coupons.Entities.PromotionCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AudienceDescription")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("目标人群描述。");
+
+                    b.Property<string>("BannerUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营销素材（如 banner）。");
+
+                    b.Property<decimal?>("Budget")
+                        .HasColumnType("numeric")
+                        .HasComment("预算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<int>("PromotionType")
+                        .HasColumnType("integer")
+                        .HasComment("活动类型。");
+
+                    b.Property<string>("RulesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("活动规则 JSON。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("活动状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("promotion_campaigns", null, t =>
+                        {
+                            t.HasComment("营销活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatMessage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("ChatSessionId")
+                        .HasColumnType("bigint")
+                        .HasComment("会话标识。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("消息内容。");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("消息类型（文字/图片/语音等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("boolean")
+                        .HasComment("是否已读。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("读取时间。");
+
+                    b.Property<int>("SenderType")
+                        .HasColumnType("integer")
+                        .HasComment("发送方类型。");
+
+                    b.Property<long?>("SenderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发送方用户 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ChatSessionId", "CreatedAt");
+
+                    b.ToTable("chat_messages", null, t =>
+                        {
+                            t.HasComment("会话消息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.ChatSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AgentUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前客服员工 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("顾客用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<bool>("IsBotActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否机器人接待中。");
+
+                    b.Property<string>("SessionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话编号。");
+
+                    b.Property<DateTime>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店（可空为平台）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionCode")
+                        .IsUnique();
+
+                    b.ToTable("chat_sessions", null, t =>
+                        {
+                            t.HasComment("客服会话。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.SupportTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AssignedAgentId")
+                        .HasColumnType("bigint")
+                        .HasComment("指派的客服。");
+
+                    b.Property<DateTime?>("ClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("关闭时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("CustomerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("客户用户 ID。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("工单详情。");
+
+                    b.Property<long?>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单（如有）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("优先级。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("工单主题。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("工单编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TicketNo")
+                        .IsUnique();
+
+                    b.ToTable("support_tickets", null, t =>
+                        {
+                            t.HasComment("客服工单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.CustomerService.Entities.TicketComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttachmentsJson")
+                        .HasColumnType("text")
+                        .HasComment("附件 JSON。");
+
+                    b.Property<long?>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人 ID。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsInternal")
+                        .HasColumnType("boolean")
+                        .HasComment("是否内部备注。");
+
+                    b.Property<long>("SupportTicketId")
+                        .HasColumnType("bigint")
+                        .HasComment("工单标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SupportTicketId");
+
+                    b.ToTable("ticket_comments", null, t =>
+                        {
+                            t.HasComment("工单评论/流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryEvent", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("DeliveryOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("配送单标识。");
+
+                    b.Property<int>("EventType")
+                        .HasColumnType("integer")
+                        .HasComment("事件类型。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("事件描述。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始数据 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DeliveryOrderId", "EventType");
+
+                    b.ToTable("delivery_events", null, t =>
+                        {
+                            t.HasComment("配送状态事件流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Deliveries.Entities.DeliveryOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CourierName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("骑手姓名。");
+
+                    b.Property<string>("CourierPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("骑手电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("DeliveredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<DateTime?>("DispatchedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下发时间。");
+
+                    b.Property<string>("FailureReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("异常原因。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置关联订单 ID。");
+
+                    b.Property<DateTime?>("PickedUpAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取餐时间。");
+
+                    b.Property<int>("Provider")
+                        .HasColumnType("integer")
+                        .HasComment("配送服务商。");
+
+                    b.Property<string>("ProviderOrderId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方配送单号。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("delivery_orders", null, t =>
+                        {
+                            t.HasComment("配送单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliateOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("推广人标识。");
+
+                    b.Property<long>("BuyerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("EstimatedCommission")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("预计佣金。");
+
+                    b.Property<decimal>("OrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("订单金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("SettledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结算完成时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "OrderId")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_orders", null, t =>
+                        {
+                            t.HasComment("分销订单记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePartner", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("ChannelType")
+                        .HasColumnType("integer")
+                        .HasComment("渠道类型。");
+
+                    b.Property<decimal>("CommissionRate")
+                        .HasColumnType("numeric")
+                        .HasComment("分成比例（0-1）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称或渠道名称。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID（如绑定平台账号）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "DisplayName");
+
+                    b.ToTable("affiliate_partners", null, t =>
+                        {
+                            t.HasComment("分销/推广合作伙伴。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Distribution.Entities.AffiliatePayout", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AffiliatePartnerId")
+                        .HasColumnType("bigint")
+                        .HasComment("合作伙伴标识。");
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("结算金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("打款时间。");
+
+                    b.Property<string>("Period")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("结算周期描述。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AffiliatePartnerId", "Period")
+                        .IsUnique();
+
+                    b.ToTable("affiliate_payouts", null, t =>
+                        {
+                            t.HasComment("佣金结算记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInCampaign", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowMakeupCount")
+                        .HasColumnType("integer")
+                        .HasComment("支持补签次数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("活动描述。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("活动名称。");
+
+                    b.Property<string>("RewardsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("连签奖励 JSON。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name");
+
+                    b.ToTable("checkin_campaigns", null, t =>
+                        {
+                            t.HasComment("签到活动配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CheckInRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CheckInCampaignId")
+                        .HasColumnType("bigint")
+                        .HasComment("活动标识。");
+
+                    b.Property<DateTime>("CheckInDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签到日期（本地）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsMakeup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否补签。");
+
+                    b.Property<string>("RewardJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("获得奖励 JSON。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "CheckInCampaignId", "UserId", "CheckInDate")
+                        .IsUnique();
+
+                    b.ToTable("checkin_records", null, t =>
+                        {
+                            t.HasComment("用户签到记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityComment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("评论人。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("评论内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean")
+                        .HasComment("状态。");
+
+                    b.Property<long?>("ParentId")
+                        .HasColumnType("bigint")
+                        .HasComment("父级评论 ID。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "CreatedAt");
+
+                    b.ToTable("community_comments", null, t =>
+                        {
+                            t.HasComment("社区评论。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityPost", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AuthorUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("作者用户 ID。");
+
+                    b.Property<int>("CommentCount")
+                        .HasColumnType("integer")
+                        .HasComment("评论数。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("内容。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("LikeCount")
+                        .HasColumnType("integer")
+                        .HasComment("点赞数。");
+
+                    b.Property<string>("MediaJson")
+                        .HasColumnType("text")
+                        .HasComment("媒体资源 JSON。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AuthorUserId", "CreatedAt");
+
+                    b.ToTable("community_posts", null, t =>
+                        {
+                            t.HasComment("社区动态。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Engagement.Entities.CommunityReaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("PostId")
+                        .HasColumnType("bigint")
+                        .HasComment("动态 ID。");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("时间戳。");
+
+                    b.Property<int>("ReactionType")
+                        .HasColumnType("integer")
+                        .HasComment("反应类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PostId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("community_reactions", null, t =>
+                        {
+                            t.HasComment("社区互动反馈。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupOrder", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CurrentCount")
+                        .HasColumnType("integer")
+                        .HasComment("当前已参与人数。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("GroupOrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("拼单编号。");
+
+                    b.Property<decimal>("GroupPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("拼团价格。");
+
+                    b.Property<long>("LeaderUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("团长用户 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联商品或套餐。");
+
+                    b.Property<DateTime>("StartAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("拼团状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<DateTime?>("SucceededAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("成团时间。");
+
+                    b.Property<int>("TargetCount")
+                        .HasColumnType("integer")
+                        .HasComment("成团需要的人数。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderNo")
+                        .IsUnique();
+
+                    b.ToTable("group_orders", null, t =>
+                        {
+                            t.HasComment("拼单活动。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.GroupBuying.Entities.GroupParticipant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("GroupOrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("拼单活动标识。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("参与时间。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("参与状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "GroupOrderId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("group_participants", null, t =>
+                        {
+                            t.HasComment("拼单参与者。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryAdjustment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AdjustmentType")
+                        .HasColumnType("integer")
+                        .HasComment("调整类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("InventoryItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的库存记录标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("调整数量，正数增加，负数减少。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("原因说明。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "InventoryItemId", "OccurredAt");
+
+                    b.ToTable("inventory_adjustments", null, t =>
+                        {
+                            t.HasComment("库存调整记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryBatch", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BatchNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<DateTime?>("ProductionDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生产日期。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("入库数量。");
+
+                    b.Property<int>("RemainingQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("剩余数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber")
+                        .IsUnique();
+
+                    b.ToTable("inventory_batches", null, t =>
+                        {
+                            t.HasComment("SKU 批次信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BatchConsumeStrategy")
+                        .HasColumnType("integer")
+                        .HasComment("批次扣减策略。");
+
+                    b.Property<string>("BatchNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("批次编号，可为空表示混批。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期日期。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售商品。");
+
+                    b.Property<bool>("IsSoldOut")
+                        .HasColumnType("boolean")
+                        .HasComment("是否标记售罄。");
+
+                    b.Property<string>("Location")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("储位或仓位信息。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单品限购（覆盖商品级 MaxQuantityPerOrder）。");
+
+                    b.Property<int?>("PresaleCapacity")
+                        .HasColumnType("integer")
+                        .HasComment("预售名额（上限）。");
+
+                    b.Property<DateTime?>("PresaleEndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售结束时间（UTC）。");
+
+                    b.Property<int>("PresaleLocked")
+                        .HasColumnType("integer")
+                        .HasComment("当前预售已锁定数量。");
+
+                    b.Property<DateTime?>("PresaleStartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预售开始时间（UTC）。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("integer")
+                        .HasComment("可用库存。");
+
+                    b.Property<int>("QuantityReserved")
+                        .HasColumnType("integer")
+                        .HasComment("已锁定库存（订单占用）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int?>("SafetyStock")
+                        .HasColumnType("integer")
+                        .HasComment("安全库存阈值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "BatchNumber");
+
+                    b.ToTable("inventory_items", null, t =>
+                        {
+                            t.HasComment("SKU 在门店的库存信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Inventory.Entities.InventoryLockRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("IdempotencyKey")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("幂等键。");
+
+                    b.Property<bool>("IsPresale")
+                        .HasColumnType("boolean")
+                        .HasComment("是否预售锁定。");
+
+                    b.Property<long>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU ID。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("锁定数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("锁定状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "IdempotencyKey")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "ProductSkuId", "Status");
+
+                    b.ToTable("inventory_lock_records", null, t =>
+                        {
+                            t.HasComment("库存锁定记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberPointLedger", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("BalanceAfterChange")
+                        .HasColumnType("integer")
+                        .HasComment("变动后余额。");
+
+                    b.Property<int>("ChangeAmount")
+                        .HasColumnType("integer")
+                        .HasComment("变动数量，可为负值。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpireAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（如适用）。");
+
+                    b.Property<long>("MemberId")
+                        .HasColumnType("bigint")
+                        .HasComment("会员标识。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<int>("Reason")
+                        .HasColumnType("integer")
+                        .HasComment("变动原因。");
+
+                    b.Property<long?>("SourceId")
+                        .HasColumnType("bigint")
+                        .HasComment("来源 ID（订单、活动等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MemberId", "OccurredAt");
+
+                    b.ToTable("member_point_ledgers", null, t =>
+                        {
+                            t.HasComment("积分变动流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AvatarUrl")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("头像。");
+
+                    b.Property<DateTime?>("BirthDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生日。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("GrowthValue")
+                        .HasColumnType("integer")
+                        .HasComment("成长值/经验值。");
+
+                    b.Property<DateTime>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("注册时间。");
+
+                    b.Property<long?>("MemberTierId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前会员等级 ID。");
+
+                    b.Property<string>("Mobile")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("昵称。");
+
+                    b.Property<int>("PointsBalance")
+                        .HasColumnType("integer")
+                        .HasComment("会员积分余额。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会员状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Mobile")
+                        .IsUnique();
+
+                    b.ToTable("member_profiles", null, t =>
+                        {
+                            t.HasComment("会员档案。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Membership.Entities.MemberTier", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("BenefitsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("等级权益（JSON）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("等级名称。");
+
+                    b.Property<int>("RequiredGrowth")
+                        .HasColumnType("integer")
+                        .HasComment("所需成长值。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("member_tiers", null, t =>
+                        {
+                            t.HasComment("会员等级定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.Merchant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<long?>("ApprovedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核通过人。");
+
+                    b.Property<string>("BrandAlias")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("品牌简称或别名。");
+
+                    b.Property<string>("BrandName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("品牌名称（对外展示）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("营业执照扫描件地址。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照号。");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text")
+                        .HasComment("品牌所属品类，如火锅、咖啡等。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<DateTime?>("ClaimExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取过期时间。");
+
+                    b.Property<DateTime?>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间。");
+
+                    b.Property<long?>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("当前领取人。");
+
+                    b.Property<string>("ClaimedByName")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("当前领取人姓名。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("联系邮箱。");
+
+                    b.Property<string>("ContactPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在区县。");
+
+                    b.Property<DateTime?>("FrozenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("冻结时间。");
+
+                    b.Property<string>("FrozenReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("冻结原因。");
+
+                    b.Property<bool>("IsFrozen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否冻结业务。");
+
+                    b.Property<DateTime?>("JoinedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("入驻时间。");
+
+                    b.Property<DateTime?>("LastReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次审核时间。");
+
+                    b.Property<long?>("LastReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最近一次审核人。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度信息。");
+
+                    b.Property<string>("LegalPerson")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人或负责人姓名。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌 Logo。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度信息。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制版本。");
+
+                    b.Property<string>("ServicePhone")
+                        .HasColumnType("text")
+                        .HasComment("客服电话。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("入驻状态。");
+
+                    b.Property<string>("SupportEmail")
+                        .HasColumnType("text")
+                        .HasComment("客服邮箱。");
+
+                    b.Property<string>("TaxNumber")
+                        .HasColumnType("text")
+                        .HasComment("税号/统一社会信用代码。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "Status");
+
+                    b.ToTable("merchants", null, t =>
+                        {
+                            t.HasComment("商户主体信息，承载入驻和资质审核结果。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DisplayOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("显示顺序，越小越靠前。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否可用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("类目名称。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("merchant_categories", null, t =>
+                        {
+                            t.HasComment("商户可选类目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantContract", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContractNumber")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("合同编号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同结束时间。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("合同文件存储地址。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<DateTime?>("SignedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签署时间。");
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("合同开始时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("合同状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("TerminatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("终止时间。");
+
+                    b.Property<string>("TerminationReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("终止原因。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "ContractNumber")
+                        .IsUnique();
+
+                    b.ToTable("merchant_contracts", null, t =>
+                        {
+                            t.HasComment("商户合同记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantDocument", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("证照编号。");
+
+                    b.Property<int>("DocumentType")
+                        .HasColumnType("integer")
+                        .HasComment("证照类型。");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("证照文件链接。");
+
+                    b.Property<DateTime?>("IssuedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("签发日期。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Remarks")
+                        .HasColumnType("text")
+                        .HasComment("审核备注或驳回原因。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "DocumentType");
+
+                    b.ToTable("merchant_documents", null, t =>
+                        {
+                            t.HasComment("商户提交的资质或证照材料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Merchants.Entities.MerchantStaff", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("邮箱地址。");
+
+                    b.Property<long?>("IdentityUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("登录账号 ID（指向统一身份体系）。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("员工姓名。");
+
+                    b.Property<string>("PermissionsJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义权限（JSON）。");
+
+                    b.Property<string>("Phone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("手机号。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("员工角色类型。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("员工状态。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("可选的关联门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "MerchantId", "Phone");
+
+                    b.ToTable("merchant_staff", null, t =>
+                        {
+                            t.HasComment("商户员工账号，支持门店维度分配。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.MapLocation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Landmark")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("打车/导航落点描述。");
+
+                    b.Property<double>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<double>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("经度。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("名称。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店 ID，可空表示独立 POI。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("map_locations", null, t =>
+                        {
+                            t.HasComment("地图 POI 信息，用于门店定位和推荐。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Navigation.Entities.NavigationRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("来源通道（小程序、H5 等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("请求时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店 ID。");
+
+                    b.Property<int>("TargetApp")
+                        .HasColumnType("integer")
+                        .HasComment("跳转的地图应用。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户 ID。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId", "RequestedAt");
+
+                    b.ToTable("navigation_requests", null, t =>
+                        {
+                            t.HasComment("用户发起的导航请求日志。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("扩展 JSON（规格、加料选项等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品或 SKU 标识。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称快照。");
+
+                    b.Property<long?>("ProductSkuId")
+                        .HasColumnType("bigint")
+                        .HasComment("SKU 标识。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("自定义备注（口味要求）。");
+
+                    b.Property<long>("ShoppingCartId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价快照。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ShoppingCartId");
+
+                    b.ToTable("cart_items", null, t =>
+                        {
+                            t.HasComment("购物车条目。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CartItemAddon", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CartItemId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属购物车条目。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<long?>("OptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("选项 ID（可对应 ProductAddonOption）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("cart_item_addons", null, t =>
+                        {
+                            t.HasComment("购物车条目的加料/附加项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.CheckoutSession", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（UTC）。");
+
+                    b.Property<string>("SessionToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("会话 Token。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("会话状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.Property<string>("ValidationResultJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("校验结果明细 JSON。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SessionToken")
+                        .IsUnique();
+
+                    b.ToTable("checkout_sessions", null, t =>
+                        {
+                            t.HasComment("结账会话，记录校验上下文。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Ordering.Entities.ShoppingCart", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DeliveryPreference")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("履约方式（堂食/自提/配送）缓存。");
+
+                    b.Property<DateTime>("LastModifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次修改时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("购物车状态，包含正常/锁定。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableContext")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌码或场景标识（扫码点餐）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("用户标识。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "UserId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("shopping_carts", null, t =>
+                        {
+                            t.HasComment("用户购物车，按租户/门店隔离。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.Order", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CancelReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("取消原因。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("下单渠道。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("顾客姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("顾客手机号。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("DeliveryType")
+                        .HasColumnType("integer")
+                        .HasComment("履约类型。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("优惠金额。");
+
+                    b.Property<DateTime?>("FinishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<decimal>("ItemsAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("商品总额。");
+
+                    b.Property<string>("OrderNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("订单号。");
+
+                    b.Property<decimal>("PaidAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<decimal>("PayableAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额。");
+
+                    b.Property<int>("PaymentStatus")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<string>("QueueNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队号（如有）。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long?>("ReservationId")
+                        .HasColumnType("bigint")
+                        .HasComment("预约 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TableNo")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("就餐桌号。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId", "Status");
+
+                    b.ToTable("orders", null, t =>
+                        {
+                            t.HasComment("交易订单。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .HasColumnType("text")
+                        .HasComment("自定义属性 JSON。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单 ID。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品 ID。");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("integer")
+                        .HasComment("数量。");
+
+                    b.Property<string>("SkuName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("SKU/规格描述。");
+
+                    b.Property<decimal>("SubTotal")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("小计。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("单位。");
+
+                    b.Property<decimal>("UnitPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("单价。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrderId");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("order_items", null, t =>
+                        {
+                            t.HasComment("订单明细。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderStatusHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime>("OccurredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("发生时间。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人标识（可为空表示系统）。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("订单标识。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("变更后的状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId", "OccurredAt");
+
+                    b.ToTable("order_status_histories", null, t =>
+                        {
+                            t.HasComment("订单状态流转记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.RefundRequest", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("申请金额。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<DateTime?>("ProcessedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核完成时间。");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("申请原因。");
+
+                    b.Property<string>("RefundNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("退款单号。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("用户提交时间。");
+
+                    b.Property<string>("ReviewNotes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("审核备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RefundNo")
+                        .IsUnique();
+
+                    b.ToTable("refund_requests", null, t =>
+                        {
+                            t.HasComment("售后/退款申请。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<string>("ChannelTransactionId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("第三方渠道单号。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付完成时间。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("原始回调内容。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("错误/备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TradeNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("平台交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "OrderId");
+
+                    b.ToTable("payment_records", null, t =>
+                        {
+                            t.HasComment("支付流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Payments.Entities.PaymentRefundRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("退款金额。");
+
+                    b.Property<string>("ChannelRefundId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("渠道退款流水号。");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("完成时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<long>("OrderId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联订单标识。");
+
+                    b.Property<string>("Payload")
+                        .HasColumnType("text")
+                        .HasComment("渠道返回的原始数据 JSON。");
+
+                    b.Property<long>("PaymentRecordId")
+                        .HasColumnType("bigint")
+                        .HasComment("原支付记录标识。");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款请求时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("退款状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "PaymentRecordId");
+
+                    b.ToTable("payment_refund_records", null, t =>
+                        {
+                            t.HasComment("支付渠道退款流水。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.Product", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属分类。");
+
+                    b.Property<string>("CoverImage")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("主图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("商品描述。");
+
+                    b.Property<bool>("EnableDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("支持配送。");
+
+                    b.Property<bool>("EnableDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("支持堂食。");
+
+                    b.Property<bool>("EnablePickup")
+                        .HasColumnType("boolean")
+                        .HasComment("支持自提。");
+
+                    b.Property<string>("GalleryImages")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("Gallery 图片逗号分隔。");
+
+                    b.Property<bool>("IsFeatured")
+                        .HasColumnType("boolean")
+                        .HasComment("是否热门推荐。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("最大每单限购。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("商品名称。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("现价。");
+
+                    b.Property<string>("SpuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("商品编码。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("商品状态。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("库存数量（可选）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<string>("Subtitle")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("副标题/卖点。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("character varying(16)")
+                        .HasComment("售卖单位（份/杯等）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SpuCode")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("products", null, t =>
+                        {
+                            t.HasComment("商品（SPU）信息。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<int?>("MaxSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最大选择数量。");
+
+                    b.Property<int?>("MinSelect")
+                        .HasColumnType("integer")
+                        .HasComment("最小选择数量。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "Name");
+
+                    b.ToTable("product_addon_groups", null, t =>
+                        {
+                            t.HasComment("加料/做法分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAddonOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AddonGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属加料分组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选项。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_addon_options", null, t =>
+                        {
+                            t.HasComment("加料选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeGroup", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<bool>("IsRequired")
+                        .HasColumnType("boolean")
+                        .HasComment("是否必选。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分组名称，例如“辣度”“份量”。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<int>("SelectionType")
+                        .HasColumnType("integer")
+                        .HasComment("选择类型（单选/多选）。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("显示排序。");
+
+                    b.Property<long?>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联门店，可为空表示所有门店共享。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("product_attribute_groups", null, t =>
+                        {
+                            t.HasComment("商品规格/属性分组。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductAttributeOption", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AttributeGroupId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属规格组。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("ExtraPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("附加价格。");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("boolean")
+                        .HasComment("是否默认选中。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("选项名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AttributeGroupId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("product_attribute_options", null, t =>
+                        {
+                            t.HasComment("商品规格选项。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductCategory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("分类描述。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("分类名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属门店。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("product_categories", null, t =>
+                        {
+                            t.HasComment("商品分类。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductMediaAsset", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Caption")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("描述或标题。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("MediaType")
+                        .HasColumnType("integer")
+                        .HasComment("媒体类型。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("商品标识。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("媒资链接。");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("product_media_assets", null, t =>
+                        {
+                            t.HasComment("商品媒资素材。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductPricingRule", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ConditionsJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("条件描述（JSON），如会员等级、渠道等。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效结束时间。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("特殊价格。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品。");
+
+                    b.Property<int>("RuleType")
+                        .HasColumnType("integer")
+                        .HasComment("策略类型。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<DateTime?>("StartTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效开始时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("WeekdaysJson")
+                        .HasColumnType("text")
+                        .HasComment("生效星期（JSON 数组）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ProductId", "RuleType");
+
+                    b.ToTable("product_pricing_rules", null, t =>
+                        {
+                            t.HasComment("商品价格策略，支持会员价/时段价等。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Products.Entities.ProductSku", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AttributesJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("规格属性 JSON（记录选项 ID）。");
+
+                    b.Property<string>("Barcode")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("条形码。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("OriginalPrice")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("原价。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("售价。");
+
+                    b.Property<long>("ProductId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商品标识。");
+
+                    b.Property<string>("SkuCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("SKU 编码。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<int?>("StockQuantity")
+                        .HasColumnType("integer")
+                        .HasComment("可售库存。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("Weight")
+                        .HasPrecision(10, 3)
+                        .HasColumnType("numeric(10,3)")
+                        .HasComment("重量（千克）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "SkuCode")
+                        .IsUnique();
+
+                    b.ToTable("product_skus", null, t =>
+                        {
+                            t.HasComment("商品 SKU，记录具体规格组合价格。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Queues.Entities.QueueTicket", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CalledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("叫号时间。");
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("EstimatedWaitMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计等待分钟。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过号时间。");
+
+                    b.Property<int>("PartySize")
+                        .HasColumnType("integer")
+                        .HasComment("就餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("获取或设置所属门店 ID。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TicketNumber")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("排队编号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.HasIndex("TenantId", "StoreId", "TicketNumber")
+                        .IsUnique();
+
+                    b.ToTable("queue_tickets", null, t =>
+                        {
+                            t.HasComment("排队叫号。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Reservations.Entities.Reservation", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CancelledAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("取消时间。");
+
+                    b.Property<string>("CheckInCode")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("核销码/到店码。");
+
+                    b.Property<DateTime?>("CheckedInAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际签到时间。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("CustomerName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("客户姓名。");
+
+                    b.Property<string>("CustomerPhone")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("PeopleCount")
+                        .HasColumnType("integer")
+                        .HasComment("用餐人数。");
+
+                    b.Property<string>("Remark")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<string>("ReservationNo")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("预约号。");
+
+                    b.Property<DateTime>("ReservationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预约时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店。");
+
+                    b.Property<string>("TablePreference")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("桌型/标签。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ReservationNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("reservations", null, t =>
+                        {
+                            t.HasComment("预约/预订记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.Store", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("ActivatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核通过时间。");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("详细地址。");
+
+                    b.Property<string>("Announcement")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("门店公告。");
+
+                    b.Property<int>("AuditStatus")
+                        .HasColumnType("integer")
+                        .HasComment("审核状态。");
+
+                    b.Property<string>("BusinessHours")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("门店营业时段描述（备用字符串）。");
+
+                    b.Property<string>("BusinessLicenseImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店营业执照图片地址（主体不一致模式使用）。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasComment("门店营业执照号（主体不一致模式使用）。");
+
+                    b.Property<int>("BusinessStatus")
+                        .HasColumnType("integer")
+                        .HasComment("经营状态。");
+
+                    b.Property<long?>("CategoryId")
+                        .HasColumnType("bigint")
+                        .HasComment("行业类目 ID。");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在城市。");
+
+                    b.Property<int?>("ClosureReason")
+                        .HasColumnType("integer")
+                        .HasComment("歇业原因。");
+
+                    b.Property<string>("ClosureReasonText")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("歇业原因补充说明。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("门店编码，便于扫码及外部对接。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家或地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("门店海报。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DeliveryRadiusKm")
+                        .HasPrecision(6, 2)
+                        .HasColumnType("numeric(6,2)")
+                        .HasComment("默认配送半径（公里）。");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("门店描述或公告。");
+
+                    b.Property<string>("District")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区县信息。");
+
+                    b.Property<string>("ForceCloseReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("强制关闭原因。");
+
+                    b.Property<DateTime?>("ForceClosedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("强制关闭时间。");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("double precision")
+                        .HasComment("纬度。");
+
+                    b.Property<string>("LegalRepresentative")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("门店法人（主体不一致模式使用）。");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("double precision")
+                        .HasComment("高德/腾讯地图经度。");
+
+                    b.Property<string>("ManagerName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("门店负责人姓名。");
+
+                    b.Property<long>("MerchantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属商户标识。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("门店名称。");
+
+                    b.Property<int>("OwnershipType")
+                        .HasColumnType("integer")
+                        .HasComment("主体类型。");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("联系电话。");
+
+                    b.Property<string>("Province")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所在省份。");
+
+                    b.Property<string>("RegisteredAddress")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门店注册地址（主体不一致模式使用）。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("审核驳回原因。");
+
+                    b.Property<string>("SignboardImageUrl")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("门头招牌图 URL。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("门店当前运营状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交审核时间。");
+
+                    b.Property<bool>("SupportsDelivery")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持配送。");
+
+                    b.Property<bool>("SupportsDineIn")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持堂食。");
+
+                    b.Property<bool>("SupportsPickup")
+                        .HasColumnType("boolean")
+                        .HasComment("是否支持自提。");
+
+                    b.Property<bool>("SupportsQueueing")
+                        .HasColumnType("boolean")
+                        .HasComment("支持排队叫号。");
+
+                    b.Property<bool>("SupportsReservation")
+                        .HasColumnType("boolean")
+                        .HasComment("支持预约。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("门店标签（逗号分隔）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Longitude", "Latitude")
+                        .HasFilter("\"Longitude\" IS NOT NULL AND \"Latitude\" IS NOT NULL");
+
+                    b.HasIndex("MerchantId", "BusinessLicenseNumber")
+                        .IsUnique()
+                        .HasFilter("\"BusinessLicenseNumber\" IS NOT NULL AND \"Status\" <> 3");
+
+                    b.HasIndex("TenantId", "AuditStatus");
+
+                    b.HasIndex("TenantId", "BusinessStatus");
+
+                    b.HasIndex("TenantId", "Code")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "MerchantId");
+
+                    b.HasIndex("TenantId", "OwnershipType");
+
+                    b.ToTable("stores", null, t =>
+                        {
+                            t.HasComment("门店信息，承载营业配置与能力。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreAuditRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer")
+                        .HasComment("操作类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作后状态。");
+
+                    b.Property<long?>("OperatorId")
+                        .HasColumnType("bigint")
+                        .HasComment("操作人 ID。");
+
+                    b.Property<string>("OperatorName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("操作人名称。");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("integer")
+                        .HasComment("操作前状态。");
+
+                    b.Property<string>("RejectionReason")
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("驳回理由文本。");
+
+                    b.Property<long?>("RejectionReasonId")
+                        .HasColumnType("bigint")
+                        .HasComment("驳回理由 ID。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_audit_records", null, t =>
+                        {
+                            t.HasComment("门店审核记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreBusinessHour", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int?>("CapacityLimit")
+                        .HasColumnType("integer")
+                        .HasComment("最大接待容量或单量限制。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("integer")
+                        .HasComment("星期几，0 表示周日。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（本地时间）。");
+
+                    b.Property<int>("HourType")
+                        .HasColumnType("integer")
+                        .HasComment("时段类型（正常营业、休息、预约等）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（本地时间）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "DayOfWeek");
+
+                    b.ToTable("store_business_hours", null, t =>
+                        {
+                            t.HasComment("门店营业时段配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreDeliveryZone", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal?>("DeliveryFee")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配送费。");
+
+                    b.Property<int?>("EstimatedMinutes")
+                        .HasColumnType("integer")
+                        .HasComment("预计送达分钟。");
+
+                    b.Property<decimal?>("MinimumOrderAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("起送价。");
+
+                    b.Property<string>("PolygonGeoJson")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("GeoJSON 表示的多边形范围。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("ZoneName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ZoneName");
+
+                    b.ToTable("store_delivery_zones", null, t =>
+                        {
+                            t.HasComment("门店配送范围配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreEmployeeShift", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("备注。");
+
+                    b.Property<int>("RoleType")
+                        .HasColumnType("integer")
+                        .HasComment("排班角色。");
+
+                    b.Property<DateTime>("ShiftDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("班次日期。");
+
+                    b.Property<long>("StaffId")
+                        .HasColumnType("bigint")
+                        .HasComment("员工标识。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "ShiftDate", "StaffId")
+                        .IsUnique();
+
+                    b.ToTable("store_employee_shifts", null, t =>
+                        {
+                            t.HasComment("门店员工排班记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreFee", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("BaseDeliveryFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("基础配送费（元）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("FixedPackagingFee")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("固定打包费（总计模式有效）。");
+
+                    b.Property<decimal?>("FreeDeliveryThreshold")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("免配送费门槛。");
+
+                    b.Property<decimal>("MinimumOrderAmount")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasComment("起送费（元）。");
+
+                    b.Property<int>("PackagingFeeMode")
+                        .HasColumnType("integer")
+                        .HasComment("打包费模式。");
+
+                    b.Property<int>("OrderPackagingFeeMode")
+                        .HasColumnType("integer")
+                        .HasComment("订单打包费规则（按订单收费时生效）。");
+
+                    b.Property<string>("PackagingFeeTiersJson")
+                        .HasColumnType("text")
+                        .HasComment("阶梯打包费配置（JSON）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_fees", null, t =>
+                        {
+                            t.HasComment("门店费用配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreHoliday", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("开始日期（原 Date 字段）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("结束日期（可选，用于日期范围，如春节 1.28~2.4）。");
+
+                    b.Property<TimeSpan?>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("结束时间（IsAllDay=false 时使用）。");
+
+                    b.Property<bool>("IsAllDay")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否全天生效。true=全天；false=仅 StartTime~EndTime 时段。");
+
+                    b.Property<bool>("IsClosed")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否闭店（兼容旧数据，新逻辑请用 OverrideType）。");
+
+                    b.Property<int>("OverrideType")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("覆盖类型（闭店/临时营业/调整时间）。");
+
+                    b.Property<string>("Reason")
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasComment("说明内容。");
+
+                    b.Property<TimeSpan?>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("开始时间（IsAllDay=false 时使用）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Date");
+
+                    b.ToTable("store_holidays", null, t =>
+                        {
+                            t.HasComment("门店临时时段配置（节假日/歇业/调整营业时间）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSetting", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AllowDaysAhead")
+                        .HasColumnType("integer")
+                        .HasComment("可预约天数（含当天）。");
+
+                    b.Property<bool>("AllowToday")
+                        .HasColumnType("boolean")
+                        .HasComment("是否允许当天自提。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("DefaultCutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("默认截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int?>("MaxQuantityPerOrder")
+                        .HasColumnType("integer")
+                        .HasComment("单笔自提最大份数。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId")
+                        .IsUnique();
+
+                    b.ToTable("store_pickup_settings", null, t =>
+                        {
+                            t.HasComment("门店自提配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StorePickupSlot", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("容量（份数）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<int>("CutoffMinutes")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(30)
+                        .HasComment("截单分钟（开始前多少分钟截止）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<TimeSpan>("EndTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天结束时间（UTC）。");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("档期名称。");
+
+                    b.Property<int>("ReservedCount")
+                        .HasColumnType("integer")
+                        .HasComment("已占用数量。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<TimeSpan>("StartTime")
+                        .HasColumnType("interval")
+                        .HasComment("当天开始时间（UTC）。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Weekdays")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("适用星期（逗号分隔 1-7）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name");
+
+                    b.ToTable("store_pickup_slots", null, t =>
+                        {
+                            t.HasComment("门店自提档期。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreQualification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("DocumentNumber")
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasComment("证照编号。");
+
+                    b.Property<DateOnly?>("ExpiresAt")
+                        .HasColumnType("date")
+                        .HasComment("到期日期。");
+
+                    b.Property<string>("FileUrl")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasComment("证照文件 URL。");
+
+                    b.Property<DateOnly?>("IssuedAt")
+                        .HasColumnType("date")
+                        .HasComment("签发日期。");
+
+                    b.Property<int>("QualificationType")
+                        .HasColumnType("integer")
+                        .HasComment("资质类型。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(100)
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ExpiresAt")
+                        .HasFilter("\"ExpiresAt\" IS NOT NULL");
+
+                    b.HasIndex("TenantId", "StoreId");
+
+                    b.ToTable("store_qualifications", null, t =>
+                        {
+                            t.HasComment("门店资质证照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTable", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long?>("AreaId")
+                        .HasColumnType("bigint")
+                        .HasComment("所在区域 ID。");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer")
+                        .HasComment("可容纳人数。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("QrCodeUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("桌码二维码地址。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前桌台状态。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<string>("TableCode")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("桌码。");
+
+                    b.Property<string>("Tags")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("桌台标签（堂食、快餐等）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "TableCode")
+                        .IsUnique();
+
+                    b.ToTable("store_tables", null, t =>
+                        {
+                            t.HasComment("桌台信息与二维码绑定。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Stores.Entities.StoreTableArea", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("区域描述。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("区域名称。");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("integer")
+                        .HasComment("排序值。");
+
+                    b.Property<long>("StoreId")
+                        .HasColumnType("bigint")
+                        .HasComment("门店标识。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "StoreId", "Name")
+                        .IsUnique();
+
+                    b.ToTable("store_table_areas", null, t =>
+                        {
+                            t.HasComment("门店桌台区域配置。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.QuotaPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("描述。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否上架。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("配额包名称。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("价格。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("配额数值。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("排序。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuotaType", "IsActive", "SortOrder");
+
+                    b.ToTable("quota_packages", null, t =>
+                        {
+                            t.HasComment("配额包定义（平台提供的可购买配额包）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.Tenant", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Address")
+                        .HasColumnType("text")
+                        .HasComment("详细地址信息。");
+
+                    b.Property<string>("City")
+                        .HasColumnType("text")
+                        .HasComment("所在城市。");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("租户短编码，作为跨系统引用的唯一标识。");
+
+                    b.Property<string>("ContactEmail")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("主联系人邮箱。");
+
+                    b.Property<string>("ContactName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("主联系人姓名。");
+
+                    b.Property<string>("ContactPhone")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("主联系人电话。");
+
+                    b.Property<string>("Country")
+                        .HasColumnType("text")
+                        .HasComment("所在国家/地区。");
+
+                    b.Property<string>("CoverImageUrl")
+                        .HasColumnType("text")
+                        .HasComment("品牌海报或封面图。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("服务到期时间（UTC）。");
+
+                    b.Property<string>("Industry")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("所属行业，如餐饮、零售等。");
+
+                    b.Property<string>("LegalEntityName")
+                        .HasColumnType("text")
+                        .HasComment("法人或公司主体名称。");
+
+                    b.Property<string>("LogoUrl")
+                        .HasColumnType("text")
+                        .HasComment("LOGO 图片地址。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("租户全称或品牌名称。");
+
+                    b.Property<int?>("OperatingMode")
+                        .HasColumnType("integer")
+                        .HasComment("经营模式（同一主体/不同主体）。");
+
+                    b.Property<long?>("PrimaryOwnerUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("系统内对应的租户所有者账号 ID。");
+
+                    b.Property<string>("Province")
+                        .HasColumnType("text")
+                        .HasComment("所在省份或州。");
+
+                    b.Property<string>("Remarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息，用于运营记录特殊说明。");
+
+                    b.Property<string>("ShortName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("对外展示的简称。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("租户当前状态，涵盖审核、启用、停用等场景。");
+
+                    b.Property<DateTime?>("SuspendedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次暂停服务时间。");
+
+                    b.Property<string>("SuspensionReason")
+                        .HasColumnType("text")
+                        .HasComment("暂停或终止的原因说明。");
+
+                    b.Property<string>("Tags")
+                        .HasColumnType("text")
+                        .HasComment("业务标签集合（逗号分隔）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Website")
+                        .HasColumnType("text")
+                        .HasComment("官网或主要宣传链接。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.HasIndex("ContactPhone")
+                        .IsUnique();
+
+                    b.ToTable("tenants", null, t =>
+                        {
+                            t.HasComment("平台租户信息，描述租户的生命周期与基础资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AnnouncementType")
+                        .HasColumnType("integer")
+                        .HasComment("公告类型。");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasComment("公告正文（可为 Markdown/HTML，前端自行渲染）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间（UTC）。");
+
+                    b.Property<DateTime?>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("失效时间（UTC），为空表示长期有效。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否启用（已弃用，迁移期保留）。");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasComment("展示优先级，数值越大越靠前。");
+
+                    b.Property<DateTime?>("PublishedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("实际发布时间（UTC）。");
+
+                    b.Property<int>("PublisherScope")
+                        .HasColumnType("integer")
+                        .HasComment("发布者范围。");
+
+                    b.Property<long?>("PublisherUserId")
+                        .HasColumnType("bigint")
+                        .HasComment("发布者用户 ID（平台或租户后台账号）。");
+
+                    b.Property<DateTime?>("RevokedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("撤销时间（UTC）。");
+
+                    b.Property<byte[]>("RowVersion")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("bytea")
+                        .HasComment("并发控制字段。");
+
+                    b.Property<DateTime?>("ScheduledPublishAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("预定发布时间（UTC）。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("公告状态。");
+
+                    b.Property<string>("TargetParameters")
+                        .HasColumnType("text")
+                        .HasComment("目标受众参数（JSON）。");
+
+                    b.Property<string>("TargetType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("目标受众类型。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("公告标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Status", "EffectiveFrom")
+                        .HasFilter("\"TenantId\" = 0");
+
+                    b.HasIndex("TenantId", "AnnouncementType", "IsActive");
+
+                    b.HasIndex("TenantId", "EffectiveFrom", "EffectiveTo");
+
+                    b.HasIndex("TenantId", "Status", "EffectiveFrom");
+
+                    b.ToTable("tenant_announcements", null, t =>
+                        {
+                            t.HasComment("租户公告。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<long>("AnnouncementId")
+                        .HasColumnType("bigint")
+                        .HasComment("公告 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("已读时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<long?>("UserId")
+                        .HasColumnType("bigint")
+                        .HasComment("已读用户 ID（后台账号），为空表示租户级已读。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "AnnouncementId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_announcement_reads", null, t =>
+                        {
+                            t.HasComment("租户公告已读记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantBillingStatement", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("AmountDue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("应付金额（原始金额）。");
+
+                    b.Property<decimal>("AmountPaid")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("实付金额。");
+
+                    b.Property<int>("BillingType")
+                        .HasColumnType("integer")
+                        .HasComment("账单类型（订阅账单/配额包账单/手动账单/续费账单）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasDefaultValue("CNY")
+                        .HasComment("货币类型（默认 CNY）。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("DiscountAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("折扣金额。");
+
+                    b.Property<DateTime>("DueDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期日。");
+
+                    b.Property<string>("LineItemsJson")
+                        .HasColumnType("text")
+                        .HasComment("账单明细 JSON，记录各项费用。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息（如：人工备注、取消原因等）。");
+
+                    b.Property<DateTime?>("OverdueNotifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("逾期通知时间。");
+
+                    b.Property<DateTime>("PeriodEnd")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期结束时间。");
+
+                    b.Property<DateTime>("PeriodStart")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("账单周期开始时间。");
+
+                    b.Property<DateTime?>("ReminderSentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提醒发送时间（续费提醒、逾期提醒等）。");
+
+                    b.Property<string>("StatementNo")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("账单编号，供对账查询。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("当前付款状态。");
+
+                    b.Property<long?>("SubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的订阅 ID（仅当 BillingType 为 Subscription 或 Renewal 时有值）。");
+
+                    b.Property<decimal>("TaxAmount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("税费金额。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt")
+                        .HasDatabaseName("idx_billing_created_at");
+
+                    b.HasIndex("Status", "DueDate")
+                        .HasDatabaseName("idx_billing_status_duedate")
+                        .HasFilter("\"Status\" IN (0, 2)");
+
+                    b.HasIndex("TenantId", "StatementNo")
+                        .IsUnique();
+
+                    b.HasIndex("TenantId", "Status", "DueDate")
+                        .HasDatabaseName("idx_billing_tenant_status_duedate");
+
+                    b.ToTable("tenant_billing_statements", null, t =>
+                        {
+                            t.HasComment("租户账单，用于呈现周期性收费。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantNotification", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Channel")
+                        .HasColumnType("integer")
+                        .HasComment("发布通道（站内、邮件、短信等）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)")
+                        .HasComment("通知正文。");
+
+                    b.Property<string>("MetadataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加元数据 JSON。");
+
+                    b.Property<DateTime?>("ReadAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("租户是否已阅读。");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("推送时间。");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("integer")
+                        .HasComment("通知重要级别。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("通知标题。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "Channel", "SentAt");
+
+                    b.ToTable("tenant_notifications", null, t =>
+                        {
+                            t.HasComment("面向租户的站内通知或消息推送。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPackage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("套餐描述，包含适用场景、权益等。");
+
+                    b.Property<string>("FeaturePoliciesJson")
+                        .HasColumnType("text")
+                        .HasComment("权益明细 JSON，记录自定义特性开关。");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("boolean")
+                        .HasComment("是否仍启用（平台控制）。");
+
+                    b.Property<bool>("IsAllowNewTenantPurchase")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否允许新租户购买/选择（仅影响新购）。");
+
+                    b.Property<bool>("IsPublicVisible")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasComment("是否对外可见（展示页/套餐列表可见性）。");
+
+                    b.Property<bool>("IsRecommended")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasComment("是否推荐展示（运营推荐标识）。");
+
+                    b.Property<int?>("MaxAccountCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许创建的最大账号数。");
+
+                    b.Property<int?>("MaxDeliveryOrders")
+                        .HasColumnType("integer")
+                        .HasComment("每月可调用的配送单数量上限。");
+
+                    b.Property<int?>("MaxSmsCredits")
+                        .HasColumnType("integer")
+                        .HasComment("每月短信额度上限。");
+
+                    b.Property<int?>("MaxStorageGb")
+                        .HasColumnType("integer")
+                        .HasComment("存储容量上限（GB）。");
+
+                    b.Property<int?>("MaxStoreCount")
+                        .HasColumnType("integer")
+                        .HasComment("允许的最大门店数。");
+
+                    b.Property<decimal?>("MonthlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("月付价格，单位：人民币元。");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("套餐名称，展示给租户的简称。");
+
+                    b.Property<int>("PackageType")
+                        .HasColumnType("integer")
+                        .HasComment("套餐分类（试用、标准、旗舰等）。");
+
+                    b.Property<int>("PublishStatus")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("发布状态：0=草稿，1=已发布。");
+
+                    b.Property<int>("SortOrder")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasDefaultValue(0)
+                        .HasComment("展示排序，数值越小越靠前。");
+
+                    b.PrimitiveCollection<string[]>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasComment("套餐标签（用于展示与对比页）。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal?>("YearlyPrice")
+                        .HasColumnType("numeric")
+                        .HasComment("年付价格，单位：人民币元。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive", "SortOrder");
+
+                    b.HasIndex("PublishStatus", "IsActive", "IsPublicVisible", "IsAllowNewTenantPurchase", "SortOrder");
+
+                    b.ToTable("tenant_packages", null, t =>
+                        {
+                            t.HasComment("平台提供的租户套餐定义。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantPayment", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("支付金额。");
+
+                    b.Property<long>("BillingStatementId")
+                        .HasColumnType("bigint")
+                        .HasComment("关联的账单 ID。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<int>("Method")
+                        .HasColumnType("integer")
+                        .HasComment("支付方式。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注信息。");
+
+                    b.Property<DateTime?>("PaidAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("支付时间。");
+
+                    b.Property<string>("ProofUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("支付凭证 URL。");
+
+                    b.Property<string>("RefundReason")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("退款原因。");
+
+                    b.Property<DateTime?>("RefundedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("退款时间。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("支付状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<string>("TransactionNo")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("交易号。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("VerifiedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID（管理员）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TransactionNo")
+                        .HasDatabaseName("idx_payment_transaction_no")
+                        .HasFilter("\"TransactionNo\" IS NOT NULL");
+
+                    b.HasIndex("BillingStatementId", "PaidAt")
+                        .HasDatabaseName("idx_payment_billing_paidat");
+
+                    b.HasIndex("TenantId", "BillingStatementId");
+
+                    b.ToTable("tenant_payments", null, t =>
+                        {
+                            t.HasComment("租户支付记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaPackagePurchase", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("过期时间（可选）。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买价格。");
+
+                    b.Property<DateTime>("PurchasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("购买时间。");
+
+                    b.Property<long>("QuotaPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("配额包 ID。");
+
+                    b.Property<decimal>("QuotaValue")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasComment("购买时的配额值。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaPackageId", "PurchasedAt");
+
+                    b.ToTable("tenant_quota_package_purchases", null, t =>
+                        {
+                            t.HasComment("租户配额包购买记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsage", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("LastResetAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次重置时间。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("当前配额上限。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型，例如门店数、短信条数等。");
+
+                    b.Property<string>("ResetCycle")
+                        .HasColumnType("text")
+                        .HasComment("配额刷新周期描述（如月、年）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已消耗的数量。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "QuotaType")
+                        .IsUnique();
+
+                    b.ToTable("tenant_quota_usages", null, t =>
+                        {
+                            t.HasComment("租户配额使用情况快照。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantQuotaUsageHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("ChangeAmount")
+                        .HasColumnType("numeric")
+                        .HasComment("变更量（可选）。");
+
+                    b.Property<string>("ChangeReason")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)")
+                        .HasComment("变更原因（可选）。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<decimal>("LimitValue")
+                        .HasColumnType("numeric")
+                        .HasComment("限额值（记录时刻的快照）。");
+
+                    b.Property<int>("QuotaType")
+                        .HasColumnType("integer")
+                        .HasComment("配额类型。");
+
+                    b.Property<DateTime>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("记录时间（UTC）。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<decimal>("UsedValue")
+                        .HasColumnType("numeric")
+                        .HasComment("已使用值（记录时刻的快照）。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "RecordedAt");
+
+                    b.HasIndex("TenantId", "QuotaType", "RecordedAt");
+
+                    b.ToTable("tenant_quota_usage_histories", null, t =>
+                        {
+                            t.HasComment("租户配额使用历史记录（用于追踪配额上下限与使用量的时间序列变化）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantReviewClaim", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime>("ClaimedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("领取时间（UTC）。");
+
+                    b.Property<long>("ClaimedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("领取人用户 ID。");
+
+                    b.Property<string>("ClaimedByName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("领取人名称（展示用快照）。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime?>("ReleasedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("释放时间（UTC），未释放时为 null。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("被领取的租户 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClaimedBy");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique()
+                        .HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
+
+                    b.ToTable("tenant_review_claims", null, t =>
+                        {
+                            t.HasComment("租户入驻审核领取记录（防止多管理员并发审核）。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscription", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<bool>("AutoRenew")
+                        .HasColumnType("boolean")
+                        .HasComment("是否开启自动续费。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅生效时间（UTC）。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("订阅到期时间（UTC）。");
+
+                    b.Property<DateTime?>("NextBillingDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("下一个计费时间，配合自动续费使用。");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("text")
+                        .HasComment("运营备注信息。");
+
+                    b.Property<long?>("ScheduledPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("若已排期升降配，对应的新套餐 ID。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("订阅当前状态。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("所属租户 ID。");
+
+                    b.Property<long>("TenantPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("当前订阅关联的套餐标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantPackageId");
+
+                    b.ToTable("tenant_subscriptions", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantSubscriptionHistory", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal?>("Amount")
+                        .HasColumnType("numeric")
+                        .HasComment("相关费用。");
+
+                    b.Property<int>("ChangeType")
+                        .HasColumnType("integer")
+                        .HasComment("变更类型。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)")
+                        .HasComment("币种。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<DateTime>("EffectiveFrom")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("生效时间。");
+
+                    b.Property<DateTime>("EffectiveTo")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("到期时间。");
+
+                    b.Property<long>("FromPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("原套餐 ID。");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("备注。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("租户标识。");
+
+                    b.Property<long>("TenantSubscriptionId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的订阅 ID。");
+
+                    b.Property<long>("ToPackageId")
+                        .HasColumnType("bigint")
+                        .HasComment("新套餐 ID。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "TenantSubscriptionId");
+
+                    b.ToTable("tenant_subscription_histories", null, t =>
+                        {
+                            t.HasComment("租户套餐订阅变更记录。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Tenants.Entities.TenantVerificationProfile", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint")
+                        .HasComment("实体唯一标识。");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("AdditionalDataJson")
+                        .HasColumnType("text")
+                        .HasComment("附加资料（JSON）。");
+
+                    b.Property<string>("BankAccountName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("开户名。");
+
+                    b.Property<string>("BankAccountNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("银行账号。");
+
+                    b.Property<string>("BankName")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)")
+                        .HasComment("银行名称。");
+
+                    b.Property<string>("BusinessLicenseNumber")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("营业执照编号。");
+
+                    b.Property<string>("BusinessLicenseUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("营业执照文件地址。");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("创建时间（UTC）。");
+
+                    b.Property<long?>("CreatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("创建人用户标识，匿名或系统操作时为 null。");
+
+                    b.Property<DateTime?>("DeletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("软删除时间（UTC），未删除时为 null。");
+
+                    b.Property<long?>("DeletedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("删除人用户标识（软删除），未删除时为 null。");
+
+                    b.Property<string>("LegalPersonIdBackUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证反面。");
+
+                    b.Property<string>("LegalPersonIdFrontUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("法人身份证正面。");
+
+                    b.Property<string>("LegalPersonIdNumber")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)")
+                        .HasComment("法人身份证号。");
+
+                    b.Property<string>("LegalPersonName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("法人姓名。");
+
+                    b.Property<string>("ReviewRemarks")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)")
+                        .HasComment("审核备注。");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("审核时间。");
+
+                    b.Property<long?>("ReviewedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("审核人 ID。");
+
+                    b.Property<string>("ReviewedByName")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)")
+                        .HasComment("审核人姓名。");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer")
+                        .HasComment("实名状态。");
+
+                    b.Property<DateTime?>("SubmittedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("提交时间。");
+
+                    b.Property<long>("TenantId")
+                        .HasColumnType("bigint")
+                        .HasComment("对应的租户标识。");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("最近一次更新时间（UTC），从未更新时为 null。");
+
+                    b.Property<long?>("UpdatedBy")
+                        .HasColumnType("bigint")
+                        .HasComment("最后更新人用户标识，匿名或系统操作时为 null。");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId")
+                        .IsUnique();
+
+                    b.ToTable("tenant_verification_profiles", null, t =>
+                        {
+                            t.HasComment("租户实名认证资料。");
+                        });
+                });
+
+            modelBuilder.Entity("TakeoutSaaS.Domain.Orders.Entities.OrderItem", b =>
+                {
+                    b.HasOne("TakeoutSaaS.Domain.Orders.Entities.Order", null)
+                        .WithMany()
+                        .HasForeignKey("OrderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Dictionary/Extensions/DictionaryModuleExtensions.cs b/src/Modules/TakeoutSaaS.Module.Dictionary/Extensions/DictionaryModuleExtensions.cs
new file mode 100644
index 0000000..97334aa
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Dictionary/Extensions/DictionaryModuleExtensions.cs
@@ -0,0 +1,22 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Application.Dictionary.Extensions;
+using TakeoutSaaS.Infrastructure.Dictionary.Extensions;
+
+namespace TakeoutSaaS.Module.Dictionary.Extensions;
+
+/// <summary>
+/// 字典模块服务扩展。
+/// </summary>
+public static class DictionaryModuleExtensions
+{
+    /// <summary>
+    /// 注册字典模块应用层与基础设施。
+    /// </summary>
+    public static IServiceCollection AddDictionaryModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddDictionaryApplication();
+        services.AddDictionaryInfrastructure(configuration);
+        return services;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs
new file mode 100644
index 0000000..456be39
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Module.Messaging.Abstractions;
+
+/// <summary>
+/// 消息发布抽象。
+/// </summary>
+public interface IMessagePublisher
+{
+    /// <summary>
+    /// 发布消息到指定路由键。
+    /// </summary>
+    Task PublishAsync<T>(string routingKey, T message, CancellationToken cancellationToken = default);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs
new file mode 100644
index 0000000..685c523
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Module.Messaging.Abstractions;
+
+/// <summary>
+/// 消息订阅抽象。
+/// </summary>
+public interface IMessageSubscriber : IAsyncDisposable
+{
+    /// <summary>
+    /// 订阅指定队列与路由键，处理后返回是否消费成功。
+    /// </summary>
+    Task SubscribeAsync<T>(string queue, string routingKey, Func<T, CancellationToken, Task<bool>> handler, CancellationToken cancellationToken = default);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Extensions/MessagingServiceCollectionExtensions.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Extensions/MessagingServiceCollectionExtensions.cs
new file mode 100644
index 0000000..f1f7081
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Extensions/MessagingServiceCollectionExtensions.cs
@@ -0,0 +1,41 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+using TakeoutSaaS.Module.Messaging.Options;
+using TakeoutSaaS.Module.Messaging.Serialization;
+using TakeoutSaaS.Module.Messaging.Services;
+
+namespace TakeoutSaaS.Module.Messaging.Extensions;
+
+/// <summary>
+/// 消息队列模块注册扩展。
+/// </summary>
+public static class MessagingServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册 RabbitMQ 发布/订阅能力。
+    /// </summary>
+    public static IServiceCollection AddMessagingModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        var rabbitMqSection = configuration.GetSection("RabbitMQ");
+        if (!rabbitMqSection.Exists())
+        {
+            services.AddSingleton<IMessagePublisher, NoOpMessagePublisher>();
+            services.AddSingleton<IMessageSubscriber, NoOpMessageSubscriber>();
+            return services;
+        }
+
+        // 1. (空行后) 存在 RabbitMQ 配置时才启用真实 MQ 能力（启动时验证配置完整性）
+        services.AddOptions<RabbitMqOptions>()
+            .Bind(rabbitMqSection)
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddSingleton<JsonMessageSerializer>();
+        services.AddSingleton<RabbitMqConnectionFactory>();
+        services.AddSingleton<IMessagePublisher, RabbitMqMessagePublisher>();
+        services.AddSingleton<IMessageSubscriber, RabbitMqMessageSubscriber>();
+
+        return services;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Options/RabbitMqOptions.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Options/RabbitMqOptions.cs
new file mode 100644
index 0000000..1b10e6e
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Options/RabbitMqOptions.cs
@@ -0,0 +1,55 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Messaging.Options;
+
+/// <summary>
+/// RabbitMQ 连接与交换机配置。
+/// </summary>
+public sealed class RabbitMqOptions
+{
+    /// <summary>
+    /// 主机名。
+    /// </summary>
+    [Required]
+    public string Host { get; set; } = "localhost";
+
+    /// <summary>
+    /// 端口。
+    /// </summary>
+    [Range(1, 65535)]
+    public int Port { get; set; } = 5672;
+
+    /// <summary>
+    /// 用户名。
+    /// </summary>
+    [Required]
+    public string Username { get; set; } = "guest";
+
+    /// <summary>
+    /// 密码。
+    /// </summary>
+    [Required]
+    public string Password { get; set; } = "guest";
+
+    /// <summary>
+    /// 虚拟主机。
+    /// </summary>
+    public string VirtualHost { get; set; } = "/";
+
+    /// <summary>
+    /// 默认交换机名称。
+    /// </summary>
+    [Required]
+    public string Exchange { get; set; } = "takeout.events";
+
+    /// <summary>
+    /// 交换机类型，默认 topic。
+    /// </summary>
+    public string ExchangeType { get; set; } = "topic";
+
+    /// <summary>
+    /// 消费预取数量。
+    /// </summary>
+    [Range(1, 1000)]
+    public ushort PrefetchCount { get; set; } = 20;
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Serialization/JsonMessageSerializer.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Serialization/JsonMessageSerializer.cs
new file mode 100644
index 0000000..a17186c
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Serialization/JsonMessageSerializer.cs
@@ -0,0 +1,22 @@
+using System.Text;
+using System.Text.Json;
+
+namespace TakeoutSaaS.Module.Messaging.Serialization;
+
+/// <summary>
+/// 消息 JSON 序列化器。
+/// </summary>
+public sealed class JsonMessageSerializer
+{
+    private static readonly JsonSerializerOptions DefaultOptions = new(JsonSerializerDefaults.Web);
+
+    /// <summary>
+    /// 序列化消息。
+    /// </summary>
+    public byte[] Serialize<T>(T message) => Encoding.UTF8.GetBytes(JsonSerializer.Serialize(message, DefaultOptions));
+
+    /// <summary>
+    /// 反序列化消息。
+    /// </summary>
+    public T? Deserialize<T>(byte[] body) => JsonSerializer.Deserialize<T>(body, DefaultOptions);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessagePublisher.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessagePublisher.cs
new file mode 100644
index 0000000..3d139e0
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessagePublisher.cs
@@ -0,0 +1,21 @@
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// 空实现消息发布器：用于未配置 RabbitMQ 的开发/测试场景，避免启动依赖外部 MQ。
+/// </summary>
+public sealed class NoOpMessagePublisher(ILogger<NoOpMessagePublisher> logger) : IMessagePublisher
+{
+    /// <inheritdoc />
+    public Task PublishAsync<T>(string routingKey, T message, CancellationToken cancellationToken = default)
+    {
+        logger.LogDebug(
+            "未配置 RabbitMQ，已跳过消息发布：RoutingKey={RoutingKey} MessageType={MessageType}",
+            routingKey,
+            typeof(T).FullName ?? typeof(T).Name);
+        return Task.CompletedTask;
+    }
+}
+
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessageSubscriber.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessageSubscriber.cs
new file mode 100644
index 0000000..5cfc432
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessageSubscriber.cs
@@ -0,0 +1,25 @@
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// 空实现消息订阅器：用于未配置 RabbitMQ 的开发/测试场景。
+/// </summary>
+public sealed class NoOpMessageSubscriber(ILogger<NoOpMessageSubscriber> logger) : IMessageSubscriber
+{
+    /// <inheritdoc />
+    public Task SubscribeAsync<T>(string queue, string routingKey, Func<T, CancellationToken, Task<bool>> handler, CancellationToken cancellationToken = default)
+    {
+        logger.LogWarning("未配置 RabbitMQ，消息订阅被禁用：Queue={Queue} RoutingKey={RoutingKey}", queue, routingKey);
+        return Task.CompletedTask;
+    }
+
+    // 1. (空行后) 释放资源（NoOp 实现无实际资源）
+    /// <inheritdoc />
+    public ValueTask DisposeAsync()
+    {
+        logger.LogDebug("NoOpMessageSubscriber 已释放。");
+        return ValueTask.CompletedTask;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqConnectionFactory.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqConnectionFactory.cs
new file mode 100644
index 0000000..62935ef
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqConnectionFactory.cs
@@ -0,0 +1,30 @@
+using Microsoft.Extensions.Options;
+using RabbitMQ.Client;
+using TakeoutSaaS.Module.Messaging.Options;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// RabbitMQ 连接工厂封装。
+/// </summary>
+public sealed class RabbitMqConnectionFactory(IOptionsMonitor<RabbitMqOptions> optionsMonitor)
+{
+    /// <summary>
+    /// 创建连接。
+    /// </summary>
+    public async Task<IConnection> CreateConnectionAsync(CancellationToken cancellationToken = default)
+    {
+        cancellationToken.ThrowIfCancellationRequested();
+        var options = optionsMonitor.CurrentValue;
+        var factory = new ConnectionFactory
+        {
+            HostName = options.Host,
+            Port = options.Port,
+            UserName = options.Username,
+            Password = options.Password,
+            VirtualHost = options.VirtualHost
+        };
+
+        return await factory.CreateConnectionAsync(cancellationToken).ConfigureAwait(false);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs
new file mode 100644
index 0000000..3354ddc
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs
@@ -0,0 +1,79 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using RabbitMQ.Client;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+using TakeoutSaaS.Module.Messaging.Options;
+using TakeoutSaaS.Module.Messaging.Serialization;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// RabbitMQ 消息发布实现。
+/// </summary>
+public sealed class RabbitMqMessagePublisher(RabbitMqConnectionFactory connectionFactory, IOptionsMonitor<RabbitMqOptions> optionsMonitor, JsonMessageSerializer serializer, ILogger<RabbitMqMessagePublisher> logger)
+    : IMessagePublisher, IAsyncDisposable
+{
+    private IConnection? _connection;
+    private IChannel? _channel;
+    private bool _disposed;
+
+    /// <inheritdoc />
+    public async Task PublishAsync<T>(string routingKey, T message, CancellationToken cancellationToken = default)
+    {
+        // 1. 确保通道可用
+        await EnsureChannelAsync(cancellationToken);
+        var options = optionsMonitor.CurrentValue;
+
+        var channel = _channel ?? throw new InvalidOperationException("RabbitMQ channel is not available.");
+        // 2. 声明交换机
+        await channel.ExchangeDeclareAsync(options.Exchange, options.ExchangeType, durable: true, autoDelete: false, arguments: null, noWait: false, cancellationToken).ConfigureAwait(false);
+        // 3. 序列化消息并设置属性
+        var body = serializer.Serialize(message);
+        var props = new BasicProperties();
+        props.ContentType = "application/json";
+        props.DeliveryMode = DeliveryModes.Persistent;
+        props.MessageId = Guid.NewGuid().ToString("N");
+
+        // 4. 发布消息
+        await channel.BasicPublishAsync(options.Exchange, routingKey, mandatory: false, basicProperties: props, body: body, cancellationToken).ConfigureAwait(false);
+        logger.LogDebug("发布消息到交换机 {Exchange} RoutingKey {RoutingKey}", options.Exchange, routingKey);
+    }
+
+    private async Task EnsureChannelAsync(CancellationToken cancellationToken)
+    {
+        if (_channel != null && _channel.IsOpen)
+        {
+            return;
+        }
+
+        _connection ??= await connectionFactory.CreateConnectionAsync(cancellationToken).ConfigureAwait(false);
+        _channel = await _connection.CreateChannelAsync(new CreateChannelOptions(false, false, null, null), cancellationToken).ConfigureAwait(false);
+    }
+
+    /// <summary>
+    /// 释放 RabbitMQ 资源。
+    /// </summary>
+    public ValueTask DisposeAsync()
+    {
+        if (_disposed)
+        {
+            return ValueTask.CompletedTask;
+        }
+
+        _disposed = true;
+        return CloseAsync();
+    }
+
+    private async ValueTask CloseAsync()
+    {
+        if (_channel != null)
+        {
+            await _channel.CloseAsync(CancellationToken.None).ConfigureAwait(false);
+        }
+
+        if (_connection != null)
+        {
+            await _connection.CloseAsync(CancellationToken.None).ConfigureAwait(false);
+        }
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessageSubscriber.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessageSubscriber.cs
new file mode 100644
index 0000000..f4a4c61
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessageSubscriber.cs
@@ -0,0 +1,101 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using RabbitMQ.Client;
+using RabbitMQ.Client.Events;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+using TakeoutSaaS.Module.Messaging.Options;
+using TakeoutSaaS.Module.Messaging.Serialization;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// RabbitMQ 消费者实现。
+/// </summary>
+public sealed class RabbitMqMessageSubscriber(RabbitMqConnectionFactory connectionFactory, IOptionsMonitor<RabbitMqOptions> optionsMonitor, JsonMessageSerializer serializer, ILogger<RabbitMqMessageSubscriber> logger)
+    : IMessageSubscriber
+{
+    private IConnection? _connection;
+    private IChannel? _channel;
+    private bool _disposed;
+
+    /// <inheritdoc />
+    public async Task SubscribeAsync<T>(string queue, string routingKey, Func<T, CancellationToken, Task<bool>> handler, CancellationToken cancellationToken = default)
+    {
+        // 1. 确保通道可用
+        await EnsureChannelAsync(cancellationToken);
+        var options = optionsMonitor.CurrentValue;
+
+        var channel = _channel ?? throw new InvalidOperationException("RabbitMQ channel is not available.");
+
+        // 2. 声明交换机、队列及绑定
+        await channel.ExchangeDeclareAsync(options.Exchange, options.ExchangeType, durable: true, autoDelete: false, arguments: null, noWait: false, cancellationToken).ConfigureAwait(false);
+        await channel.QueueDeclareAsync(queue, durable: true, exclusive: false, autoDelete: false, arguments: null, noWait: false, cancellationToken).ConfigureAwait(false);
+        await channel.QueueBindAsync(queue, options.Exchange, routingKey, arguments: null, noWait: false, cancellationToken).ConfigureAwait(false);
+        await channel.BasicQosAsync(0, options.PrefetchCount, global: false, cancellationToken).ConfigureAwait(false);
+
+        // 3. 设置消费者回调
+        var consumer = new AsyncEventingBasicConsumer(channel);
+        consumer.ReceivedAsync += async (_, ea) =>
+        {
+            var message = serializer.Deserialize<T>(ea.Body.ToArray());
+            if (message == null)
+            {
+                await channel.BasicAckAsync(ea.DeliveryTag, multiple: false, cancellationToken).ConfigureAwait(false);
+                return;
+            }
+
+            var success = false;
+            try
+            {
+                success = await handler(message, cancellationToken).ConfigureAwait(false);
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "处理消息失败：{RoutingKey}", ea.RoutingKey);
+            }
+
+            if (success)
+            {
+                await channel.BasicAckAsync(ea.DeliveryTag, multiple: false, cancellationToken).ConfigureAwait(false);
+            }
+            else
+            {
+                await channel.BasicNackAsync(ea.DeliveryTag, multiple: false, requeue: false, cancellationToken).ConfigureAwait(false);
+            }
+        };
+
+        // 4. 开始消费
+        await channel.BasicConsumeAsync(queue, autoAck: false, consumer, cancellationToken).ConfigureAwait(false);
+    }
+
+    private async Task EnsureChannelAsync(CancellationToken cancellationToken)
+    {
+        if (_channel != null && _channel.IsOpen)
+        {
+            return;
+        }
+
+        _connection ??= await connectionFactory.CreateConnectionAsync(cancellationToken).ConfigureAwait(false);
+        _channel = await _connection.CreateChannelAsync(new CreateChannelOptions(false, false, null, null), cancellationToken).ConfigureAwait(false);
+    }
+
+    /// <inheritdoc />
+    public async ValueTask DisposeAsync()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _disposed = true;
+        if (_channel != null)
+        {
+            await _channel.CloseAsync(CancellationToken.None).ConfigureAwait(false);
+        }
+
+        if (_connection != null)
+        {
+            await _connection.CloseAsync(CancellationToken.None).ConfigureAwait(false);
+        }
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs
new file mode 100644
index 0000000..198da74
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Module.Scheduler.Abstractions;
+
+/// <summary>
+/// 周期性任务注册抽象。
+/// </summary>
+public interface IRecurringJobRegistrar
+{
+    /// <summary>
+    /// 注册所有预设的周期性任务。
+    /// </summary>
+    Task RegisterAsync(CancellationToken cancellationToken = default);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Extensions/SchedulerServiceCollectionExtensions.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Extensions/SchedulerServiceCollectionExtensions.cs
new file mode 100644
index 0000000..337ec40
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Extensions/SchedulerServiceCollectionExtensions.cs
@@ -0,0 +1,85 @@
+using Hangfire;
+using Hangfire.PostgreSql;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Scheduler.Abstractions;
+using TakeoutSaaS.Module.Scheduler.HostedServices;
+using TakeoutSaaS.Module.Scheduler.Jobs;
+using TakeoutSaaS.Module.Scheduler.Options;
+using TakeoutSaaS.Module.Scheduler.Services;
+
+namespace TakeoutSaaS.Module.Scheduler.Extensions;
+
+/// <summary>
+/// 调度模块注册扩展（默认 Hangfire）。
+/// </summary>
+public static class SchedulerServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册调度模块。
+    /// </summary>
+    public static IServiceCollection AddSchedulerModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<SchedulerOptions>()
+            .Bind(configuration.GetSection("Scheduler"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<SubscriptionAutomationOptions>()
+            .Bind(configuration.GetSection("Scheduler:SubscriptionAutomation"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddOptions<BillingAutomationOptions>()
+            .Bind(configuration.GetSection("Scheduler:BillingAutomation"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddHangfire((serviceProvider, config) =>
+        {
+            var options = serviceProvider.GetRequiredService<IOptionsMonitor<SchedulerOptions>>().CurrentValue;
+            config
+                .UseSimpleAssemblyNameTypeSerializer()
+                .UseRecommendedSerializerSettings()
+                .UsePostgreSqlStorage(storage =>
+                {
+                    storage.UseNpgsqlConnection(options.ConnectionString);
+                });
+        });
+
+        services.AddHangfireServer((serviceProvider, options) =>
+        {
+            var scheduler = serviceProvider.GetRequiredService<IOptionsMonitor<SchedulerOptions>>().CurrentValue;
+            options.WorkerCount = scheduler.WorkerCount ?? options.WorkerCount;
+        });
+
+        services.AddSingleton<IRecurringJobRegistrar, RecurringJobRegistrar>();
+        services.AddHostedService<RecurringJobHostedService>();
+
+        services.AddScoped<OrderTimeoutJob>();
+        services.AddScoped<CouponExpireJob>();
+        services.AddScoped<LogCleanupJob>();
+        services.AddScoped<SubscriptionRenewalReminderJob>();
+        services.AddScoped<SubscriptionExpiryCheckJob>();
+        services.AddScoped<SubscriptionAutoRenewalJob>();
+        services.AddScoped<BillingOverdueProcessJob>();
+
+        return services;
+    }
+
+    /// <summary>
+    /// 启用 Hangfire Dashboard（默认关闭，可通过配置开启）。
+    /// </summary>
+    public static IApplicationBuilder UseSchedulerDashboard(this IApplicationBuilder app, IConfiguration configuration)
+    {
+        var options = configuration.GetSection("Scheduler").Get<SchedulerOptions>();
+        if (options is { DashboardEnabled: true })
+        {
+            app.UseHangfireDashboard(options.DashboardPath);
+        }
+
+        return app;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/HostedServices/RecurringJobHostedService.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/HostedServices/RecurringJobHostedService.cs
new file mode 100644
index 0000000..b2dca9b
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/HostedServices/RecurringJobHostedService.cs
@@ -0,0 +1,21 @@
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Module.Scheduler.Abstractions;
+
+namespace TakeoutSaaS.Module.Scheduler.HostedServices;
+
+/// <summary>
+/// 启动时注册周期性任务的宿主服务。
+/// </summary>
+public sealed class RecurringJobHostedService(IRecurringJobRegistrar registrar, ILogger<RecurringJobHostedService> logger) : IHostedService
+{
+    /// <inheritdoc />
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        await registrar.RegisterAsync(cancellationToken).ConfigureAwait(false);
+        logger.LogInformation("调度任务已注册");
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/BillingOverdueProcessJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/BillingOverdueProcessJob.cs
new file mode 100644
index 0000000..e17a784
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/BillingOverdueProcessJob.cs
@@ -0,0 +1,32 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Application.App.Billings.Commands;
+using TakeoutSaaS.Module.Scheduler.Options;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 账单逾期标记任务：将超过到期日的待支付账单标记为逾期。
+/// </summary>
+public sealed class BillingOverdueProcessJob(
+    IMediator mediator,
+    IOptionsMonitor<BillingAutomationOptions> optionsMonitor,
+    ILogger<BillingOverdueProcessJob> logger)
+{
+    /// <summary>
+    /// 执行逾期账单标记。
+    /// </summary>
+    public async Task ExecuteAsync()
+    {
+        // 1. 读取配置并执行逾期处理
+        var options = optionsMonitor.CurrentValue;
+        var updatedCount = await mediator.Send(new ProcessOverdueBillingsCommand());
+
+        // 2. 记录执行结果
+        logger.LogInformation(
+            "定时任务：逾期账单标记完成，更新 {UpdatedCount} 条（Cron={Cron}）",
+            updatedCount,
+            options.OverdueBillingProcessCron);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/BusinessStatusAutoSwitchJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/BusinessStatusAutoSwitchJob.cs
new file mode 100644
index 0000000..30a3924
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/BusinessStatusAutoSwitchJob.cs
@@ -0,0 +1,24 @@
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Services;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 门店营业状态自动切换任务。
+/// </summary>
+public sealed class BusinessStatusAutoSwitchJob(
+    IStoreSchedulerService schedulerService,
+    ILogger<BusinessStatusAutoSwitchJob> logger)
+{
+    /// <summary>
+    /// 执行自动切换。
+    /// </summary>
+    public async Task ExecuteAsync()
+    {
+        // 1. 执行自动切换
+        var updated = await schedulerService.AutoSwitchBusinessStatusAsync(DateTime.UtcNow, CancellationToken.None);
+
+        // 2. (空行后) 记录执行结果
+        logger.LogInformation("定时任务：门店营业状态自动切换执行完成，更新 {UpdatedCount} 家门店", updated);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/CouponExpireJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/CouponExpireJob.cs
new file mode 100644
index 0000000..294c2da
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/CouponExpireJob.cs
@@ -0,0 +1,18 @@
+using Microsoft.Extensions.Logging;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 优惠券过期处理任务（占位实现）。
+/// </summary>
+public sealed class CouponExpireJob(ILogger<CouponExpireJob> logger)
+{
+    /// <summary>
+    /// 执行优惠券过期清理。
+    /// </summary>
+    public Task ExecuteAsync()
+    {
+        logger.LogInformation("定时任务：处理已过期优惠券（占位实现）");
+        return Task.CompletedTask;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/LogCleanupJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/LogCleanupJob.cs
new file mode 100644
index 0000000..aa67c70
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/LogCleanupJob.cs
@@ -0,0 +1,18 @@
+using Microsoft.Extensions.Logging;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 日志清理任务（占位实现）。
+/// </summary>
+public sealed class LogCleanupJob(ILogger<LogCleanupJob> logger)
+{
+    /// <summary>
+    /// 执行日志清理。
+    /// </summary>
+    public Task ExecuteAsync()
+    {
+        logger.LogInformation("定时任务：清理历史日志（占位实现）");
+        return Task.CompletedTask;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/OrderTimeoutJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/OrderTimeoutJob.cs
new file mode 100644
index 0000000..80d7513
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/OrderTimeoutJob.cs
@@ -0,0 +1,18 @@
+using Microsoft.Extensions.Logging;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 订单超时取消任务（占位，后续接入订单服务）。
+/// </summary>
+public sealed class OrderTimeoutJob(ILogger<OrderTimeoutJob> logger)
+{
+    /// <summary>
+    /// 执行超时订单检查。
+    /// </summary>
+    public Task ExecuteAsync()
+    {
+        logger.LogInformation("定时任务：检查超时未支付订单并取消（占位实现）");
+        return Task.CompletedTask;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/QualificationExpiryCheckJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/QualificationExpiryCheckJob.cs
new file mode 100644
index 0000000..94ff168
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/QualificationExpiryCheckJob.cs
@@ -0,0 +1,24 @@
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Services;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 门店资质过期检查任务。
+/// </summary>
+public sealed class QualificationExpiryCheckJob(
+    IStoreSchedulerService schedulerService,
+    ILogger<QualificationExpiryCheckJob> logger)
+{
+    /// <summary>
+    /// 执行资质过期检查。
+    /// </summary>
+    public async Task ExecuteAsync()
+    {
+        // 1. 执行资质过期检查
+        var updated = await schedulerService.CheckQualificationExpiryAsync(DateTime.UtcNow, CancellationToken.None);
+
+        // 2. (空行后) 记录执行结果
+        logger.LogInformation("定时任务：门店资质过期检查执行完成，更新 {UpdatedCount} 家门店", updated);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionAutoRenewalJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionAutoRenewalJob.cs
new file mode 100644
index 0000000..3a285ca
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionAutoRenewalJob.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Module.Scheduler.Options;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 订阅自动续费任务：为即将到期且开启自动续费的订阅生成续费账单。
+/// </summary>
+public sealed class SubscriptionAutoRenewalJob(
+    IMediator mediator,
+    ITenantRepository tenantRepository,
+    ITenantContextAccessor tenantContextAccessor,
+    IOptionsMonitor<SubscriptionAutomationOptions> optionsMonitor,
+    ILogger<SubscriptionAutoRenewalJob> logger)
+{
+    /// <summary>
+    /// 执行自动续费账单生成。
+    /// </summary>
+    public async Task ExecuteAsync()
+    {
+        // 1. 读取配置
+        var options = optionsMonitor.CurrentValue;
+
+        // 2. (空行后) 获取需要处理的租户列表（排除系统租户）
+        var tenants = await tenantRepository.SearchAsync(null, null, CancellationToken.None);
+        var targets = tenants.Where(x => x.Id > 0).ToList();
+
+        // 3. (空行后) 按租户逐个执行自动续费
+        var candidateCount = 0;
+        var createdBillCount = 0;
+        var previousContext = tenantContextAccessor.Current;
+        try
+        {
+            foreach (var tenant in targets)
+            {
+                tenantContextAccessor.Current = new TenantContext(tenant.Id, tenant.Code, "scheduler");
+                try
+                {
+                    var result = await mediator.Send(new ProcessAutoRenewalCommand
+                    {
+                        RenewalDaysBeforeExpiry = options.AutoRenewalDaysBeforeExpiry
+                    });
+
+                    candidateCount += result.CandidateCount;
+                    createdBillCount += result.CreatedBillCount;
+                }
+                catch (Exception ex)
+                {
+                    logger.LogError(ex, "定时任务：自动续费执行失败 TenantId={TenantId}", tenant.Id);
+                }
+            }
+        }
+        finally
+        {
+            tenantContextAccessor.Current = previousContext;
+        }
+
+        // 4. (空行后) 记录执行结果
+        logger.LogInformation(
+            "定时任务：自动续费处理完成，处理租户 {TenantCount}，候选 {CandidateCount}，创建账单 {CreatedBillCount}",
+            targets.Count,
+            candidateCount,
+            createdBillCount);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionExpiryCheckJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionExpiryCheckJob.cs
new file mode 100644
index 0000000..b0ca568
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionExpiryCheckJob.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Module.Scheduler.Options;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 订阅到期检查任务：到期进入宽限期，宽限期到期自动暂停。
+/// </summary>
+public sealed class SubscriptionExpiryCheckJob(
+    IMediator mediator,
+    ITenantRepository tenantRepository,
+    ITenantContextAccessor tenantContextAccessor,
+    IOptionsMonitor<SubscriptionAutomationOptions> optionsMonitor,
+    ILogger<SubscriptionExpiryCheckJob> logger)
+{
+    /// <summary>
+    /// 执行订阅到期检查。
+    /// </summary>
+    public async Task ExecuteAsync()
+    {
+        // 1. 读取配置
+        var options = optionsMonitor.CurrentValue;
+
+        // 2. (空行后) 获取需要处理的租户列表（排除系统租户）
+        var tenants = await tenantRepository.SearchAsync(null, null, CancellationToken.None);
+        var targets = tenants.Where(x => x.Id > 0).ToList();
+
+        // 3. (空行后) 按租户逐个执行到期处理
+        var enteredGracePeriodCount = 0;
+        var suspendedCount = 0;
+        var previousContext = tenantContextAccessor.Current;
+        try
+        {
+            foreach (var tenant in targets)
+            {
+                tenantContextAccessor.Current = new TenantContext(tenant.Id, tenant.Code, "scheduler");
+                try
+                {
+                    var result = await mediator.Send(new ProcessSubscriptionExpiryCommand
+                    {
+                        GracePeriodDays = options.GracePeriodDays
+                    });
+
+                    enteredGracePeriodCount += result.EnteredGracePeriodCount;
+                    suspendedCount += result.SuspendedCount;
+                }
+                catch (Exception ex)
+                {
+                    logger.LogError(ex, "定时任务：订阅到期检查执行失败 TenantId={TenantId}", tenant.Id);
+                }
+            }
+        }
+        finally
+        {
+            tenantContextAccessor.Current = previousContext;
+        }
+
+        // 4. (空行后) 记录执行结果
+        logger.LogInformation(
+            "定时任务：订阅到期检查完成，处理租户 {TenantCount}，进入宽限期 {EnteredGracePeriodCount}，暂停 {SuspendedCount}",
+            targets.Count,
+            enteredGracePeriodCount,
+            suspendedCount);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionRenewalReminderJob.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionRenewalReminderJob.cs
new file mode 100644
index 0000000..d3e284d
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Jobs/SubscriptionRenewalReminderJob.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Application.App.Subscriptions.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Module.Scheduler.Options;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Module.Scheduler.Jobs;
+
+/// <summary>
+/// 订阅续费提醒任务：到期前 7/3/1 天发送站内提醒。
+/// </summary>
+public sealed class SubscriptionRenewalReminderJob(
+    IMediator mediator,
+    ITenantRepository tenantRepository,
+    ITenantContextAccessor tenantContextAccessor,
+    IOptionsMonitor<SubscriptionAutomationOptions> optionsMonitor,
+    ILogger<SubscriptionRenewalReminderJob> logger)
+{
+    /// <summary>
+    /// 执行续费提醒扫描与发送。
+    /// </summary>
+    public async Task ExecuteAsync()
+    {
+        // 1. 读取配置
+        var options = optionsMonitor.CurrentValue;
+
+        // 2. (空行后) 获取需要处理的租户列表（排除系统租户）
+        var tenants = await tenantRepository.SearchAsync(null, null, CancellationToken.None);
+        var targets = tenants.Where(x => x.Id > 0).ToList();
+
+        // 3. (空行后) 按租户逐个执行续费提醒
+        var candidateCount = 0;
+        var createdReminderCount = 0;
+        var previousContext = tenantContextAccessor.Current;
+        try
+        {
+            foreach (var tenant in targets)
+            {
+                tenantContextAccessor.Current = new TenantContext(tenant.Id, tenant.Code, "scheduler");
+                try
+                {
+                    var result = await mediator.Send(new ProcessRenewalRemindersCommand
+                    {
+                        ReminderDaysBeforeExpiry = options.ReminderDaysBeforeExpiry
+                    });
+
+                    candidateCount += result.CandidateCount;
+                    createdReminderCount += result.CreatedReminderCount;
+                }
+                catch (Exception ex)
+                {
+                    logger.LogError(ex, "定时任务：续费提醒执行失败 TenantId={TenantId}", tenant.Id);
+                }
+            }
+        }
+        finally
+        {
+            tenantContextAccessor.Current = previousContext;
+        }
+
+        // 4. (空行后) 记录执行结果
+        logger.LogInformation(
+            "定时任务：续费提醒处理完成，处理租户 {TenantCount}，候选 {CandidateCount}，创建 {CreatedReminderCount}",
+            targets.Count,
+            candidateCount,
+            createdReminderCount);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Options/BillingAutomationOptions.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Options/BillingAutomationOptions.cs
new file mode 100644
index 0000000..2ced3bc
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Options/BillingAutomationOptions.cs
@@ -0,0 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Scheduler.Options;
+
+/// <summary>
+/// 账单自动化相关配置（逾期标记等）。
+/// </summary>
+public sealed class BillingAutomationOptions
+{
+    /// <summary>
+    /// 逾期账单标记任务 Cron 表达式（Hangfire）。
+    /// 默认每 10 分钟执行一次。
+    /// </summary>
+    [Required]
+    public string OverdueBillingProcessCron { get; set; } = "*/10 * * * *";
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Options/SchedulerOptions.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Options/SchedulerOptions.cs
new file mode 100644
index 0000000..880790c
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Options/SchedulerOptions.cs
@@ -0,0 +1,31 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Scheduler.Options;
+
+/// <summary>
+/// 调度模块配置。
+/// </summary>
+public sealed class SchedulerOptions
+{
+    /// <summary>
+    /// Hangfire 存储使用的连接字符串。
+    /// </summary>
+    [Required]
+    public string ConnectionString { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 工作线程数，默认根据 CPU 计算。
+    /// </summary>
+    [Range(1, 100)]
+    public int? WorkerCount { get; set; }
+
+    /// <summary>
+    /// 是否启用 Dashboard（默认 false，待 AdminUI 接入）。
+    /// </summary>
+    public bool DashboardEnabled { get; set; }
+
+    /// <summary>
+    /// Dashboard 路径。
+    /// </summary>
+    public string DashboardPath { get; set; } = "/hangfire";
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Options/SubscriptionAutomationOptions.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Options/SubscriptionAutomationOptions.cs
new file mode 100644
index 0000000..91e1601
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Options/SubscriptionAutomationOptions.cs
@@ -0,0 +1,46 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Scheduler.Options;
+
+/// <summary>
+/// 订阅自动化相关配置（续费提醒、自动续费、宽限期处理）。
+/// </summary>
+public sealed class SubscriptionAutomationOptions
+{
+    /// <summary>
+    /// 自动续费任务执行小时（UTC）。
+    /// </summary>
+    [Range(0, 23)]
+    public int AutoRenewalExecuteHourUtc { get; set; } = 1;
+
+    /// <summary>
+    /// 自动续费：到期前 N 天生成续费账单。
+    /// </summary>
+    [Range(0, 365)]
+    public int AutoRenewalDaysBeforeExpiry { get; set; } = 3;
+
+    /// <summary>
+    /// 续费提醒任务执行小时（UTC）。
+    /// </summary>
+    [Range(0, 23)]
+    public int RenewalReminderExecuteHourUtc { get; set; } = 10;
+
+    /// <summary>
+    /// 续费提醒：到期前 N 天发送提醒。
+    /// </summary>
+    [MinLength(1)]
+    public int[] ReminderDaysBeforeExpiry { get; set; } = [7, 3, 1];
+
+    /// <summary>
+    /// 订阅到期检查任务执行小时（UTC）。
+    /// </summary>
+    [Range(0, 23)]
+    public int SubscriptionExpiryCheckExecuteHourUtc { get; set; } = 2;
+
+    /// <summary>
+    /// 宽限期天数。
+    /// </summary>
+    [Range(0, 365)]
+    public int GracePeriodDays { get; set; } = 7;
+}
+
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Services/RecurringJobRegistrar.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Services/RecurringJobRegistrar.cs
new file mode 100644
index 0000000..5d65dc3
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Services/RecurringJobRegistrar.cs
@@ -0,0 +1,59 @@
+using Hangfire;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Scheduler.Abstractions;
+using TakeoutSaaS.Module.Scheduler.Jobs;
+using TakeoutSaaS.Module.Scheduler.Options;
+
+namespace TakeoutSaaS.Module.Scheduler.Services;
+
+/// <summary>
+/// 周期性任务注册器。
+/// </summary>
+public sealed class RecurringJobRegistrar(
+    IOptionsMonitor<SubscriptionAutomationOptions> subscriptionAutomationOptions,
+    IOptionsMonitor<BillingAutomationOptions> billingAutomationOptions)
+    : IRecurringJobRegistrar
+{
+    /// <inheritdoc />
+    public Task RegisterAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 业务占位任务（示例）
+        RecurringJob.AddOrUpdate<OrderTimeoutJob>("orders.timeout-cancel", job => job.ExecuteAsync(), "*/5 * * * *");
+        RecurringJob.AddOrUpdate<CouponExpireJob>("coupons.expire", job => job.ExecuteAsync(), "0 */1 * * *");
+        RecurringJob.AddOrUpdate<LogCleanupJob>("logs.cleanup", job => job.ExecuteAsync(), "0 3 * * *");
+
+        // 2. 订阅自动化任务（自动续费、续费提醒、到期进入宽限期）
+        var options = subscriptionAutomationOptions.CurrentValue;
+        RecurringJob.AddOrUpdate<SubscriptionAutoRenewalJob>(
+            "subscriptions.auto-renewal",
+            job => job.ExecuteAsync(),
+            $"0 {options.AutoRenewalExecuteHourUtc} * * *");
+        RecurringJob.AddOrUpdate<SubscriptionRenewalReminderJob>(
+            "subscriptions.renewal-reminder",
+            job => job.ExecuteAsync(),
+            $"0 {options.RenewalReminderExecuteHourUtc} * * *");
+        RecurringJob.AddOrUpdate<SubscriptionExpiryCheckJob>(
+            "subscriptions.expiry-check",
+            job => job.ExecuteAsync(),
+            $"0 {options.SubscriptionExpiryCheckExecuteHourUtc} * * *");
+
+        // 3. 账单自动化任务（逾期标记）
+        var billingOptions = billingAutomationOptions.CurrentValue;
+        RecurringJob.AddOrUpdate<BillingOverdueProcessJob>(
+            "billings.overdue-process",
+            job => job.ExecuteAsync(),
+            billingOptions.OverdueBillingProcessCron);
+
+        // 4. (空行后) 门店管理自动化任务
+        RecurringJob.AddOrUpdate<BusinessStatusAutoSwitchJob>(
+            "stores.business-status-auto-switch",
+            job => job.ExecuteAsync(),
+            "*/1 * * * *");
+        RecurringJob.AddOrUpdate<QualificationExpiryCheckJob>(
+            "stores.qualification-expiry-check",
+            job => job.ExecuteAsync(),
+            "0 2 * * *");
+
+        return Task.CompletedTask;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs b/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs
new file mode 100644
index 0000000..01380db
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs
@@ -0,0 +1,19 @@
+using TakeoutSaaS.Module.Sms.Models;
+
+namespace TakeoutSaaS.Module.Sms.Abstractions;
+
+/// <summary>
+/// 短信发送抽象。
+/// </summary>
+public interface ISmsSender
+{
+    /// <summary>
+    /// 服务商类型。
+    /// </summary>
+    SmsProviderKind Provider { get; }
+
+    /// <summary>
+    /// 发送短信。
+    /// </summary>
+    Task<SmsSendResult> SendAsync(SmsSendRequest request, CancellationToken cancellationToken = default);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSenderResolver.cs b/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSenderResolver.cs
new file mode 100644
index 0000000..f3385d2
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSenderResolver.cs
@@ -0,0 +1,12 @@
+namespace TakeoutSaaS.Module.Sms.Abstractions;
+
+/// <summary>
+/// 短信服务商解析器。
+/// </summary>
+public interface ISmsSenderResolver
+{
+    /// <summary>
+    /// 获取指定服务商的发送器。
+    /// </summary>
+    ISmsSender Resolve(SmsProviderKind? provider = null);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Extensions/SmsServiceCollectionExtensions.cs b/src/Modules/TakeoutSaaS.Module.Sms/Extensions/SmsServiceCollectionExtensions.cs
new file mode 100644
index 0000000..651c143
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Extensions/SmsServiceCollectionExtensions.cs
@@ -0,0 +1,33 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Module.Sms.Abstractions;
+using TakeoutSaaS.Module.Sms.Options;
+using TakeoutSaaS.Module.Sms.Services;
+
+namespace TakeoutSaaS.Module.Sms.Extensions;
+
+/// <summary>
+/// 短信模块 DI 注册扩展。
+/// </summary>
+public static class SmsServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册短信模块（包含腾讯云、阿里云实现）。
+    /// </summary>
+    public static IServiceCollection AddSmsModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<SmsOptions>()
+            .Bind(configuration.GetSection("Sms"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddHttpClient(nameof(TencentSmsSender));
+        services.AddHttpClient(nameof(AliyunSmsSender));
+
+        services.AddSingleton<ISmsSender, TencentSmsSender>();
+        services.AddSingleton<ISmsSender, AliyunSmsSender>();
+        services.AddSingleton<ISmsSenderResolver, SmsSenderResolver>();
+
+        return services;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs b/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs
new file mode 100644
index 0000000..fe3b333
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs
@@ -0,0 +1,42 @@
+namespace TakeoutSaaS.Module.Sms.Models;
+
+/// <summary>
+/// 短信发送请求。
+/// </summary>
+public sealed class SmsSendRequest
+{
+    /// <summary>
+    /// 初始化短信发送请求。
+    /// </summary>
+    /// <param name="phoneNumber">目标手机号码（含国家码，如 +86xxxxxxxxxxx）。</param>
+    /// <param name="templateCode">模版编号。</param>
+    /// <param name="variables">模版变量。</param>
+    /// <param name="signName">短信签名。</param>
+    public SmsSendRequest(string phoneNumber, string templateCode, IDictionary<string, string> variables, string? signName = null)
+    {
+        PhoneNumber = phoneNumber;
+        TemplateCode = templateCode;
+        Variables = new Dictionary<string, string>(variables);
+        SignName = signName;
+    }
+
+    /// <summary>
+    /// 目标手机号。
+    /// </summary>
+    public string PhoneNumber { get; }
+
+    /// <summary>
+    /// 模版编号。
+    /// </summary>
+    public string TemplateCode { get; }
+
+    /// <summary>
+    /// 模版变量。
+    /// </summary>
+    public IReadOnlyDictionary<string, string> Variables { get; }
+
+    /// <summary>
+    /// 可选的签名。
+    /// </summary>
+    public string? SignName { get; }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendResult.cs b/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendResult.cs
new file mode 100644
index 0000000..dfdd69f
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendResult.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Module.Sms.Models;
+
+/// <summary>
+/// 短信发送结果。
+/// </summary>
+public sealed class SmsSendResult
+{
+    /// <summary>
+    /// 是否发送成功。
+    /// </summary>
+    public bool Success { get; init; }
+
+    /// <summary>
+    /// 服务商返回的请求标识。
+    /// </summary>
+    public string? RequestId { get; init; }
+
+    /// <summary>
+    /// 描述信息。
+    /// </summary>
+    public string? Message { get; init; }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Options/AliyunSmsOptions.cs b/src/Modules/TakeoutSaaS.Module.Sms/Options/AliyunSmsOptions.cs
new file mode 100644
index 0000000..cfa09b1
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Options/AliyunSmsOptions.cs
@@ -0,0 +1,36 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Sms.Options;
+
+/// <summary>
+/// 阿里云短信配置。
+/// </summary>
+public sealed class AliyunSmsOptions
+{
+    /// <summary>
+    /// AccessKeyId。
+    /// </summary>
+    [Required]
+    public string AccessKeyId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// AccessKeySecret。
+    /// </summary>
+    [Required]
+    public string AccessKeySecret { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 短信服务域名。
+    /// </summary>
+    public string Endpoint { get; set; } = "dysmsapi.aliyuncs.com";
+
+    /// <summary>
+    /// 默认签名。
+    /// </summary>
+    public string? SignName { get; set; }
+
+    /// <summary>
+    /// 地域 ID。
+    /// </summary>
+    public string Region { get; set; } = "cn-hangzhou";
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs b/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs
new file mode 100644
index 0000000..32c3ada
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs
@@ -0,0 +1,41 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Sms.Options;
+
+/// <summary>
+/// 短信模块配置。
+/// </summary>
+public sealed class SmsOptions
+{
+    /// <summary>
+    /// 默认服务商，默认为腾讯云。
+    /// </summary>
+    public SmsProviderKind Provider { get; set; } = SmsProviderKind.Tencent;
+
+    /// <summary>
+    /// 默认签名。
+    /// </summary>
+    public string? DefaultSignName { get; set; }
+
+    /// <summary>
+    /// 是否启用模拟发送（仅日志，不实际调用），方便开发环境。
+    /// </summary>
+    public bool UseMock { get; set; }
+
+    /// <summary>
+    /// 腾讯云短信配置。
+    /// </summary>
+    [Required]
+    public TencentSmsOptions Tencent { get; set; } = new();
+
+    /// <summary>
+    /// 阿里云短信配置。
+    /// </summary>
+    [Required]
+    public AliyunSmsOptions Aliyun { get; set; } = new();
+
+    /// <summary>
+    /// 场景与模板映射（如 login: TEMPLATE_ID）。
+    /// </summary>
+    public Dictionary<string, string> SceneTemplates { get; set; } = new(StringComparer.OrdinalIgnoreCase);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Options/TencentSmsOptions.cs b/src/Modules/TakeoutSaaS.Module.Sms/Options/TencentSmsOptions.cs
new file mode 100644
index 0000000..3e02bd4
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Options/TencentSmsOptions.cs
@@ -0,0 +1,42 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Sms.Options;
+
+/// <summary>
+/// 腾讯云短信配置。
+/// </summary>
+public sealed class TencentSmsOptions
+{
+    /// <summary>
+    /// SecretId。
+    /// </summary>
+    [Required]
+    public string SecretId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// SecretKey。
+    /// </summary>
+    [Required]
+    public string SecretKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 应用 SdkAppId。
+    /// </summary>
+    [Required]
+    public string SdkAppId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 默认签名。
+    /// </summary>
+    public string? SignName { get; set; }
+
+    /// <summary>
+    /// 默认地域。
+    /// </summary>
+    public string Region { get; set; } = "ap-guangzhou";
+
+    /// <summary>
+    /// 接口域名。
+    /// </summary>
+    public string Endpoint { get; set; } = "https://sms.tencentcloudapi.com";
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs b/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs
new file mode 100644
index 0000000..213cfa0
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs
@@ -0,0 +1,34 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Sms.Abstractions;
+using TakeoutSaaS.Module.Sms.Models;
+using TakeoutSaaS.Module.Sms.Options;
+
+namespace TakeoutSaaS.Module.Sms.Services;
+
+/// <summary>
+/// 阿里云短信发送实现（简化版，占位可扩展正式签名流程）。
+/// </summary>
+public sealed class AliyunSmsSender(IHttpClientFactory httpClientFactory, IOptionsMonitor<SmsOptions> optionsMonitor, ILogger<AliyunSmsSender> logger)
+    : ISmsSender
+{
+    /// <inheritdoc />
+    public SmsProviderKind Provider => SmsProviderKind.Aliyun;
+
+    /// <inheritdoc />
+    public Task<SmsSendResult> SendAsync(SmsSendRequest request, CancellationToken cancellationToken = default)
+    {
+        var options = optionsMonitor.CurrentValue;
+        if (options.UseMock)
+        {
+            logger.LogInformation("Mock 发送阿里云短信到 {Phone}, Template:{Template}", request.PhoneNumber, request.TemplateCode);
+            return Task.FromResult(new SmsSendResult { Success = true, Message = "Mocked" });
+        }
+        // 预留 HttpClient，便于后续接入阿里云正式签名请求
+        using var httpClient = httpClientFactory.CreateClient(nameof(AliyunSmsSender));
+
+        // 占位：保留待接入阿里云正式签名流程，当前返回未实现。
+        logger.LogWarning("阿里云短信尚未启用，请配置腾讯云或开启 UseMock。");
+        return Task.FromResult(new SmsSendResult { Success = false, Message = "Aliyun SMS not enabled" });
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs b/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs
new file mode 100644
index 0000000..2d5906b
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs
@@ -0,0 +1,25 @@
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Sms.Abstractions;
+using TakeoutSaaS.Module.Sms.Options;
+
+namespace TakeoutSaaS.Module.Sms.Services;
+
+/// <summary>
+/// 短信服务商解析器。
+/// </summary>
+public sealed class SmsSenderResolver(IOptionsMonitor<SmsOptions> optionsMonitor, IEnumerable<ISmsSender> senders) : ISmsSenderResolver
+{
+    private readonly IReadOnlyDictionary<SmsProviderKind, ISmsSender> _map = senders.ToDictionary(x => x.Provider);
+
+    /// <inheritdoc />
+    public ISmsSender Resolve(SmsProviderKind? provider = null)
+    {
+        var key = provider ?? optionsMonitor.CurrentValue.Provider;
+        if (_map.TryGetValue(key, out var sender))
+        {
+            return sender;
+        }
+
+        throw new InvalidOperationException($"未注册短信服务商：{key}");
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs b/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
new file mode 100644
index 0000000..ee14a8f
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
@@ -0,0 +1,140 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System.Globalization;
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.Json;
+using TakeoutSaaS.Module.Sms.Abstractions;
+using TakeoutSaaS.Module.Sms.Models;
+using TakeoutSaaS.Module.Sms.Options;
+
+namespace TakeoutSaaS.Module.Sms.Services;
+
+/// <summary>
+/// 腾讯云短信发送实现（TC3-HMAC 签名）。
+/// </summary>
+public sealed class TencentSmsSender(IHttpClientFactory httpClientFactory, IOptionsMonitor<SmsOptions> optionsMonitor, ILogger<TencentSmsSender> logger)
+    : ISmsSender
+{
+    private const string Service = "sms";
+    private const string Action = "SendSms";
+    private const string Version = "2021-01-11";
+
+    /// <inheritdoc />
+    public SmsProviderKind Provider => SmsProviderKind.Tencent;
+
+    /// <inheritdoc />
+    public async Task<SmsSendResult> SendAsync(SmsSendRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 读取配置并处理 Mock
+        var options = optionsMonitor.CurrentValue;
+        if (options.UseMock)
+        {
+            logger.LogInformation("Mock 发送短信到 {Phone}, Template:{Template}, Vars:{Vars}", request.PhoneNumber, request.TemplateCode, JsonSerializer.Serialize(request.Variables));
+            return new SmsSendResult { Success = true, Message = "Mocked" };
+        }
+
+        // 2. 构建请求负载与签名所需字段
+        var tencent = options.Tencent;
+        var payload = BuildPayload(request, tencent);
+        var timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+        var date = DateTimeOffset.FromUnixTimeSeconds(timestamp).UtcDateTime.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture);
+
+        var host = new Uri(tencent.Endpoint).Host;
+        var canonicalRequest = BuildCanonicalRequest(payload, host, tencent.Endpoint.StartsWith("https", StringComparison.OrdinalIgnoreCase));
+        var stringToSign = BuildStringToSign(canonicalRequest, timestamp, date);
+        var signature = Sign(stringToSign, tencent.SecretKey, date);
+
+        // 3. 构建 HTTP 请求
+        using var httpClient = httpClientFactory.CreateClient(nameof(TencentSmsSender));
+        using var httpRequest = new HttpRequestMessage(HttpMethod.Post, tencent.Endpoint)
+        {
+            Content = new StringContent(payload, Encoding.UTF8, "application/json")
+        };
+
+        httpRequest.Headers.Add("Host", host);
+        httpRequest.Headers.Add("X-TC-Action", Action);
+        httpRequest.Headers.Add("X-TC-Version", Version);
+        httpRequest.Headers.Add("X-TC-Timestamp", timestamp.ToString(CultureInfo.InvariantCulture));
+        httpRequest.Headers.Add("X-TC-Region", tencent.Region);
+        httpRequest.Headers.Add("Authorization",
+            $"TC3-HMAC-SHA256 Credential={tencent.SecretId}/{date}/{Service}/tc3_request, SignedHeaders=content-type;host, Signature={signature}");
+
+        // 4. 发送请求并读取响应
+        var response = await httpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
+        var content = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
+
+        if (!response.IsSuccessStatusCode)
+        {
+            logger.LogWarning("腾讯云短信发送失败：{Status} {Content}", response.StatusCode, content);
+            return new SmsSendResult { Success = false, Message = content };
+        }
+
+        // 5. 解析响应
+        using var doc = JsonDocument.Parse(content);
+        var root = doc.RootElement.GetProperty("Response");
+        var status = root.GetProperty("SendStatusSet")[0];
+        var code = status.GetProperty("Code").GetString();
+        var message = status.GetProperty("Message").GetString();
+        var requestId = root.GetProperty("RequestId").GetString();
+
+        var success = string.Equals(code, "Ok", StringComparison.OrdinalIgnoreCase);
+        return new SmsSendResult
+        {
+            Success = success,
+            RequestId = requestId,
+            Message = message
+        };
+    }
+
+    private static string BuildPayload(SmsSendRequest request, TencentSmsOptions options)
+    {
+        var payload = new
+        {
+            PhoneNumberSet = new[] { request.PhoneNumber },
+            SmsSdkAppId = options.SdkAppId,
+            SignName = request.SignName ?? options.SignName,
+            TemplateId = request.TemplateCode,
+            TemplateParamSet = request.Variables.Values.ToArray()
+        };
+
+        return JsonSerializer.Serialize(payload);
+    }
+
+    private static string BuildCanonicalRequest(string payload, string host, bool useHttps)
+    {
+        _ = useHttps;
+        var hashedPayload = HashSha256(payload);
+        var canonicalHeaders = $"content-type:application/json\nhost:{host}\n";
+        return $"POST\n/\n\n{canonicalHeaders}\ncontent-type;host\n{hashedPayload}";
+    }
+
+    private static string BuildStringToSign(string canonicalRequest, long timestamp, string date)
+    {
+        var hashedRequest = HashSha256(canonicalRequest);
+        return $"TC3-HMAC-SHA256\n{timestamp}\n{date}/{Service}/tc3_request\n{hashedRequest}";
+    }
+
+    private static string Sign(string stringToSign, string secretKey, string date)
+    {
+        static byte[] HmacSha256(byte[] key, string msg) => new HMACSHA256(key).ComputeHash(Encoding.UTF8.GetBytes(msg));
+
+        var secretDate = HmacSha256(Encoding.UTF8.GetBytes($"TC3{secretKey}"), date);
+        var secretService = HmacSha256(secretDate, Service);
+        var secretSigning = HmacSha256(secretService, "tc3_request");
+        var signatureBytes = new HMACSHA256(secretSigning).ComputeHash(Encoding.UTF8.GetBytes(stringToSign));
+        return Convert.ToHexString(signatureBytes).ToLowerInvariant();
+    }
+
+    private static string HashSha256(string raw)
+    {
+        var bytes = SHA256.HashData(Encoding.UTF8.GetBytes(raw));
+        var builder = new StringBuilder(bytes.Length * 2);
+        foreach (var b in bytes)
+        {
+            builder.Append(b.ToString("x2", CultureInfo.InvariantCulture));
+        }
+
+        return builder.ToString();
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/SmsProviderKind.cs b/src/Modules/TakeoutSaaS.Module.Sms/SmsProviderKind.cs
new file mode 100644
index 0000000..e374d12
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Sms/SmsProviderKind.cs
@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Module.Sms;
+
+/// <summary>
+/// 短信服务商类型。
+/// </summary>
+public enum SmsProviderKind
+{
+    /// <summary>
+    /// 腾讯云短信。
+    /// </summary>
+    Tencent = 1,
+
+    /// <summary>
+    /// 阿里云短信。
+    /// </summary>
+    Aliyun = 2
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs
new file mode 100644
index 0000000..41b6e31
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs
@@ -0,0 +1,34 @@
+using TakeoutSaaS.Module.Storage.Models;
+
+namespace TakeoutSaaS.Module.Storage.Abstractions;
+
+/// <summary>
+/// 对象存储提供商统一抽象。
+/// </summary>
+public interface IObjectStorageProvider
+{
+    /// <summary>
+    /// 当前提供商类型。
+    /// </summary>
+    StorageProviderKind Kind { get; }
+
+    /// <summary>
+    /// 上传文件到对象存储。
+    /// </summary>
+    Task<StorageUploadResult> UploadAsync(StorageUploadRequest request, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 生成预签名直传参数（PUT 或表单直传）。
+    /// </summary>
+    Task<StorageDirectUploadResult> CreateDirectUploadAsync(StorageDirectUploadRequest request, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 生成带过期时间的访问链接。
+    /// </summary>
+    Task<string> GenerateDownloadUrlAsync(string objectKey, TimeSpan expires, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 生成公共访问地址（可结合 CDN）。
+    /// </summary>
+    string BuildPublicUrl(string objectKey);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IStorageProviderResolver.cs b/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IStorageProviderResolver.cs
new file mode 100644
index 0000000..63ae4cb
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IStorageProviderResolver.cs
@@ -0,0 +1,14 @@
+namespace TakeoutSaaS.Module.Storage.Abstractions;
+
+/// <summary>
+/// 存储提供商解析器，用于按需选择具体实现。
+/// </summary>
+public interface IStorageProviderResolver
+{
+    /// <summary>
+    /// 根据配置解析出可用的存储提供商。
+    /// </summary>
+    /// <param name="provider">目标提供商类型，空则使用默认配置。</param>
+    /// <returns>对应的存储提供商。</returns>
+    IObjectStorageProvider Resolve(StorageProviderKind? provider = null);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Extensions/StorageServiceCollectionExtensions.cs b/src/Modules/TakeoutSaaS.Module.Storage/Extensions/StorageServiceCollectionExtensions.cs
new file mode 100644
index 0000000..e1972f1
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Extensions/StorageServiceCollectionExtensions.cs
@@ -0,0 +1,34 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Module.Storage.Abstractions;
+using TakeoutSaaS.Module.Storage.Options;
+using TakeoutSaaS.Module.Storage.Providers;
+using TakeoutSaaS.Module.Storage.Services;
+
+namespace TakeoutSaaS.Module.Storage.Extensions;
+
+/// <summary>
+/// 存储模块服务注册扩展。
+/// </summary>
+public static class StorageServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册存储模块所需的提供商与配置。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <param name="configuration">配置源。</param>
+    public static IServiceCollection AddStorageModule(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddOptions<StorageOptions>()
+            .Bind(configuration.GetSection("Storage"))
+            .ValidateDataAnnotations()
+            .ValidateOnStart();
+
+        services.AddSingleton<IObjectStorageProvider, TencentCosStorageProvider>();
+        services.AddSingleton<IObjectStorageProvider, QiniuKodoStorageProvider>();
+        services.AddSingleton<IObjectStorageProvider, AliyunOssStorageProvider>();
+        services.AddSingleton<IStorageProviderResolver, StorageProviderResolver>();
+
+        return services;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadRequest.cs b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadRequest.cs
new file mode 100644
index 0000000..201e394
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadRequest.cs
@@ -0,0 +1,34 @@
+namespace TakeoutSaaS.Module.Storage.Models;
+
+/// <summary>
+/// 直传（预签名上传）请求参数。
+/// </summary>
+/// <remarks>
+/// 初始化请求。
+/// </remarks>
+/// <param name="objectKey">对象键。</param>
+/// <param name="contentType">内容类型。</param>
+/// <param name="contentLength">内容长度。</param>
+/// <param name="expires">签名有效期。</param>
+public sealed class StorageDirectUploadRequest(string objectKey, string contentType, long contentLength, TimeSpan expires)
+{
+    /// <summary>
+    /// 目标对象键。
+    /// </summary>
+    public string ObjectKey { get; } = objectKey;
+
+    /// <summary>
+    /// 内容类型。
+    /// </summary>
+    public string ContentType { get; } = contentType;
+
+    /// <summary>
+    /// 内容长度。
+    /// </summary>
+    public long ContentLength { get; } = contentLength;
+
+    /// <summary>
+    /// 签名有效期。
+    /// </summary>
+    public TimeSpan Expires { get; } = expires;
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs
new file mode 100644
index 0000000..15d11dd
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Module.Storage.Models;
+
+/// <summary>
+/// 直传（预签名上传）结果。
+/// </summary>
+public sealed class StorageDirectUploadResult
+{
+    /// <summary>
+    /// 预签名上传地址（PUT 上传或表单地址）。
+    /// </summary>
+    public string UploadUrl { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 直传附加字段（如表单直传所需字段），PUT 方式为空。
+    /// </summary>
+    public IReadOnlyDictionary<string, string> FormFields { get; init; } = new Dictionary<string, string>();
+
+    /// <summary>
+    /// 预签名过期时间。
+    /// </summary>
+    public DateTimeOffset ExpiresAt { get; init; }
+
+    /// <summary>
+    /// 关联的对象键。
+    /// </summary>
+    public string ObjectKey { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 上传成功后可选的签名下载地址。
+    /// </summary>
+    public string? SignedDownloadUrl { get; init; }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs
new file mode 100644
index 0000000..795a614
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs
@@ -0,0 +1,61 @@
+namespace TakeoutSaaS.Module.Storage.Models;
+
+/// <summary>
+/// 对象存储上传请求参数。
+/// </summary>
+/// <remarks>
+/// 初始化上传请求。
+/// </remarks>
+/// <param name="objectKey">对象键（含路径）。</param>
+/// <param name="content">文件流。</param>
+/// <param name="contentType">内容类型。</param>
+/// <param name="contentLength">内容长度。</param>
+/// <param name="generateSignedUrl">是否返回签名访问链接。</param>
+/// <param name="signedUrlExpires">签名有效期。</param>
+/// <param name="metadata">附加元数据。</param>
+public sealed class StorageUploadRequest(
+    string objectKey,
+    Stream content,
+    string contentType,
+    long contentLength,
+    bool generateSignedUrl,
+    TimeSpan signedUrlExpires,
+    IDictionary<string, string>? metadata = null)
+{
+    /// <summary>
+    /// 对象键。
+    /// </summary>
+    public string ObjectKey { get; } = objectKey;
+
+    /// <summary>
+    /// 文件流。
+    /// </summary>
+    public Stream Content { get; } = content;
+
+    /// <summary>
+    /// 内容类型。
+    /// </summary>
+    public string ContentType { get; } = contentType;
+
+    /// <summary>
+    /// 内容长度。
+    /// </summary>
+    public long ContentLength { get; } = contentLength;
+
+    /// <summary>
+    /// 是否需要签名访问链接。
+    /// </summary>
+    public bool GenerateSignedUrl { get; } = generateSignedUrl;
+
+    /// <summary>
+    /// 签名有效期。
+    /// </summary>
+    public TimeSpan SignedUrlExpires { get; } = signedUrlExpires;
+
+    /// <summary>
+    /// 元数据集合。
+    /// </summary>
+    public IReadOnlyDictionary<string, string> Metadata { get; } = metadata == null
+            ? new Dictionary<string, string>()
+            : new Dictionary<string, string>(metadata);
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadResult.cs b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadResult.cs
new file mode 100644
index 0000000..c3af710
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadResult.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.Module.Storage.Models;
+
+/// <summary>
+/// 上传结果信息。
+/// </summary>
+public sealed class StorageUploadResult
+{
+    /// <summary>
+    /// 对象键。
+    /// </summary>
+    public string ObjectKey { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 可访问的 URL（可能已包含签名）。
+    /// </summary>
+    public string Url { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 带过期时间的签名 URL（若生成）。
+    /// </summary>
+    public string? SignedUrl { get; init; }
+
+    /// <summary>
+    /// 文件大小。
+    /// </summary>
+    public long FileSize { get; init; }
+
+    /// <summary>
+    /// 内容类型。
+    /// </summary>
+    public string ContentType { get; init; } = string.Empty;
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Options/AliyunOssOptions.cs b/src/Modules/TakeoutSaaS.Module.Storage/Options/AliyunOssOptions.cs
new file mode 100644
index 0000000..d17f548
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Options/AliyunOssOptions.cs
@@ -0,0 +1,45 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Storage.Options;
+
+/// <summary>
+/// 阿里云 OSS 访问配置。
+/// </summary>
+public sealed class AliyunOssOptions
+{
+    /// <summary>
+    /// 访问密钥 ID。
+    /// </summary>
+    [Required]
+    public string AccessKeyId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 访问密钥 Secret。
+    /// </summary>
+    [Required]
+    public string AccessKeySecret { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Endpoint，如 https://oss-cn-hangzhou.aliyuncs.com。
+    /// </summary>
+    [Required]
+    [Url]
+    public string Endpoint { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 目标存储桶名称。
+    /// </summary>
+    [Required]
+    public string Bucket { get; set; } = string.Empty;
+
+    /// <summary>
+    /// CDN 加速域名（可选）。
+    /// </summary>
+    [Url]
+    public string? CdnBaseUrl { get; set; }
+
+    /// <summary>
+    /// 是否默认使用 HTTPS。
+    /// </summary>
+    public bool UseHttps { get; set; } = true;
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Options/QiniuKodoOptions.cs b/src/Modules/TakeoutSaaS.Module.Storage/Options/QiniuKodoOptions.cs
new file mode 100644
index 0000000..7e6bf37
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Options/QiniuKodoOptions.cs
@@ -0,0 +1,50 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Storage.Options;
+
+/// <summary>
+/// 七牛云 Kodo S3 兼容网关配置。
+/// </summary>
+public sealed class QiniuKodoOptions
+{
+    /// <summary>
+    /// AccessKey。
+    /// </summary>
+    [Required]
+    public string AccessKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// SecretKey。
+    /// </summary>
+    [Required]
+    public string SecretKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 绑定的空间名称。
+    /// </summary>
+    [Required]
+    public string Bucket { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 下载域名（CDN 域名或测试域名），用于生成访问链接。
+    /// </summary>
+    [Url]
+    public string? DownloadDomain { get; set; }
+
+    /// <summary>
+    /// S3 兼容网关 Endpoint（如 https://s3-cn-south-1.qiniucs.com），为空则使用官方默认。
+    /// </summary>
+    [Url]
+    public string? Endpoint { get; set; }
+
+    /// <summary>
+    /// 是否使用 HTTPS。
+    /// </summary>
+    public bool UseHttps { get; set; } = true;
+
+    /// <summary>
+    /// 直传或下载时默认有效期（分钟），未设置时使用全局安全配置。
+    /// </summary>
+    [Range(1, 24 * 60)]
+    public int? SignedUrlExpirationMinutes { get; set; }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Options/StorageOptions.cs b/src/Modules/TakeoutSaaS.Module.Storage/Options/StorageOptions.cs
new file mode 100644
index 0000000..465b1b7
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Options/StorageOptions.cs
@@ -0,0 +1,44 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Storage.Options;
+
+/// <summary>
+/// 存储模块的统一配置项，决定默认提供商与全局安全策略。
+/// </summary>
+public sealed class StorageOptions
+{
+    /// <summary>
+    /// 默认使用的存储提供商。
+    /// </summary>
+    public StorageProviderKind Provider { get; set; } = StorageProviderKind.TencentCos;
+
+    /// <summary>
+    /// CDN 访问域名（可选），若配置则优先使用 CDN 域名生成访问地址。
+    /// </summary>
+    [Url]
+    public string? CdnBaseUrl { get; set; }
+
+    /// <summary>
+    /// 腾讯云 COS 配置。
+    /// </summary>
+    [Required]
+    public TencentCosOptions TencentCos { get; set; } = new();
+
+    /// <summary>
+    /// 七牛云 Kodo 配置。
+    /// </summary>
+    [Required]
+    public QiniuKodoOptions QiniuKodo { get; set; } = new();
+
+    /// <summary>
+    /// 阿里云 OSS 配置。
+    /// </summary>
+    [Required]
+    public AliyunOssOptions AliyunOss { get; set; } = new();
+
+    /// <summary>
+    /// 存储安全策略配置。
+    /// </summary>
+    [Required]
+    public StorageSecurityOptions Security { get; set; } = new();
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Options/StorageSecurityOptions.cs b/src/Modules/TakeoutSaaS.Module.Storage/Options/StorageSecurityOptions.cs
new file mode 100644
index 0000000..0619faf
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Options/StorageSecurityOptions.cs
@@ -0,0 +1,48 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Storage.Options;
+
+/// <summary>
+/// 文件安全与防盗链相关配置。
+/// </summary>
+public sealed class StorageSecurityOptions
+{
+    /// <summary>
+    /// 单个文件最大尺寸（字节），默认 10MB。
+    /// </summary>
+    [Range(1, long.MaxValue)]
+    public long MaxFileSizeBytes { get; set; } = 10 * 1024 * 1024;
+
+    /// <summary>
+    /// 允许的图片后缀名白名单。
+    /// </summary>
+    [MinLength(1)]
+    public string[] AllowedImageExtensions { get; set; } = { ".jpg", ".jpeg", ".png", ".webp", ".gif" };
+
+    /// <summary>
+    /// 允许的通用文件后缀名白名单。
+    /// </summary>
+    [MinLength(1)]
+    public string[] AllowedFileExtensions { get; set; } = { ".jpg", ".jpeg", ".png", ".webp", ".gif", ".pdf" };
+
+    /// <summary>
+    /// 默认签名有效期（分钟），用于生成带过期时间的访问链接。
+    /// </summary>
+    [Range(1, 24 * 60)]
+    public int DefaultUrlExpirationMinutes { get; set; } = 30;
+
+    /// <summary>
+    /// 是否启用来源校验（防盗链），为空则不校验。
+    /// </summary>
+    public bool EnableRefererValidation { get; set; } = true;
+
+    /// <summary>
+    /// 允许的 Referer/Origin 前缀列表，用于限制上传接口调用来源。
+    /// </summary>
+    public string[] AllowedReferers { get; set; } = Array.Empty<string>();
+
+    /// <summary>
+    /// 针对 CDN 防盗链的额外签名密钥（可选），用于生成二次校验签名。
+    /// </summary>
+    public string? AntiLeechTokenSecret { get; set; }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Options/TencentCosOptions.cs b/src/Modules/TakeoutSaaS.Module.Storage/Options/TencentCosOptions.cs
new file mode 100644
index 0000000..0808821
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Options/TencentCosOptions.cs
@@ -0,0 +1,54 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Module.Storage.Options;
+
+/// <summary>
+/// 腾讯云 COS 访问配置。
+/// </summary>
+public sealed class TencentCosOptions
+{
+    /// <summary>
+    /// SecretId。
+    /// </summary>
+    [Required]
+    public string SecretId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// SecretKey。
+    /// </summary>
+    [Required]
+    public string SecretKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 存储地域（如 ap-guangzhou）。
+    /// </summary>
+    [Required]
+    public string Region { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 存储桶名称（含 AppId，如 takeout-bucket-123456）。
+    /// </summary>
+    [Required]
+    public string Bucket { get; set; } = string.Empty;
+
+    /// <summary>
+    /// COS 自定义域名或 API Endpoint（可选），未配置则根据 Region 生成默认域名。
+    /// </summary>
+    public string? Endpoint { get; set; }
+
+    /// <summary>
+    /// CDN 域名（可选），用于生成加速访问地址。
+    /// </summary>
+    [Url]
+    public string? CdnBaseUrl { get; set; }
+
+    /// <summary>
+    /// 是否使用 HTTPS。
+    /// </summary>
+    public bool UseHttps { get; set; } = true;
+
+    /// <summary>
+    /// 是否强制使用 PathStyle 访问，COS 默认可使用虚拟主机形式。
+    /// </summary>
+    public bool ForcePathStyle { get; set; }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs
new file mode 100644
index 0000000..0244720
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs
@@ -0,0 +1,162 @@
+using Aliyun.OSS;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Storage.Abstractions;
+using TakeoutSaaS.Module.Storage.Models;
+using TakeoutSaaS.Module.Storage.Options;
+
+namespace TakeoutSaaS.Module.Storage.Providers;
+
+/// <summary>
+/// 阿里云 OSS 存储提供商实现。
+/// </summary>
+public sealed class AliyunOssStorageProvider(IOptionsMonitor<StorageOptions> optionsMonitor) : IObjectStorageProvider, IDisposable
+{
+    private OssClient? _client;
+    private bool _disposed;
+
+    private StorageOptions CurrentOptions => optionsMonitor.CurrentValue;
+
+    /// <inheritdoc />
+    public StorageProviderKind Kind => StorageProviderKind.AliyunOss;
+
+    /// <inheritdoc />
+    public async Task<StorageUploadResult> UploadAsync(StorageUploadRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 准备元数据
+        var options = CurrentOptions;
+        var metadata = new ObjectMetadata
+        {
+            ContentLength = request.ContentLength,
+            ContentType = request.ContentType
+        };
+
+        foreach (var kv in request.Metadata)
+        {
+            metadata.UserMetadata[kv.Key] = kv.Value;
+        }
+
+        // Aliyun OSS SDK 支持异步方法，如未支持将同步封装为任务。
+        // 2. 上传对象
+        await PutObjectAsync(options.AliyunOss.Bucket, request.ObjectKey, request.Content, metadata, cancellationToken)
+            .ConfigureAwait(false);
+
+        // 3. 生成签名或公有 URL
+        var signedUrl = request.GenerateSignedUrl
+            ? await GenerateDownloadUrlAsync(request.ObjectKey, request.SignedUrlExpires, cancellationToken).ConfigureAwait(false)
+            : null;
+
+        // 4. 返回上传结果
+        return new StorageUploadResult
+        {
+            ObjectKey = request.ObjectKey,
+            Url = signedUrl ?? BuildPublicUrl(request.ObjectKey),
+            SignedUrl = signedUrl,
+            FileSize = request.ContentLength,
+            ContentType = request.ContentType
+        };
+    }
+
+    /// <inheritdoc />
+    public Task<StorageDirectUploadResult> CreateDirectUploadAsync(StorageDirectUploadRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 计算过期时间并生成直传/下载链接
+        var expiresAt = DateTimeOffset.UtcNow.Add(request.Expires);
+        var uploadUrl = GeneratePresignedUrl(request.ObjectKey, request.Expires, SignHttpMethod.Put, request.ContentType);
+        var downloadUrl = GeneratePresignedUrl(request.ObjectKey, request.Expires, SignHttpMethod.Get, null);
+
+        // 2. 返回直传参数
+        var result = new StorageDirectUploadResult
+        {
+            UploadUrl = uploadUrl,
+            FormFields = new Dictionary<string, string>(),
+            ExpiresAt = expiresAt,
+            ObjectKey = request.ObjectKey,
+            SignedDownloadUrl = downloadUrl
+        };
+
+        return Task.FromResult(result);
+    }
+
+    /// <inheritdoc />
+    public Task<string> GenerateDownloadUrlAsync(string objectKey, TimeSpan expires, CancellationToken cancellationToken = default)
+    {
+        // 1. 生成预签名下载 URL
+        var url = GeneratePresignedUrl(objectKey, expires, SignHttpMethod.Get, null);
+        return Task.FromResult(url);
+    }
+
+    /// <inheritdoc />
+    public string BuildPublicUrl(string objectKey)
+    {
+        var cdn = CurrentOptions.AliyunOss.CdnBaseUrl ?? CurrentOptions.CdnBaseUrl;
+        if (!string.IsNullOrWhiteSpace(cdn))
+        {
+            return $"{cdn!.TrimEnd('/')}/{objectKey}";
+        }
+
+        var endpoint = CurrentOptions.AliyunOss.Endpoint.TrimEnd('/');
+        var scheme = CurrentOptions.AliyunOss.UseHttps ? "https" : "http";
+        // Endpoint 可能已包含协议，若没有则补充。
+        if (!endpoint.StartsWith("http", StringComparison.OrdinalIgnoreCase))
+        {
+            endpoint = $"{scheme}://{endpoint}";
+        }
+
+        return $"{endpoint}/{CurrentOptions.AliyunOss.Bucket}/{objectKey}";
+    }
+
+    /// <summary>
+    /// 上传对象到 OSS。
+    /// </summary>
+    private async Task PutObjectAsync(string bucket, string key, Stream content, ObjectMetadata metadata, CancellationToken cancellationToken)
+    {
+        var client = EnsureClient();
+        // SDK 无异步则封装为 Task
+        await Task.Run(() => client.PutObject(bucket, key, content, metadata), cancellationToken).ConfigureAwait(false);
+    }
+
+    /// <summary>
+    /// 生成预签名 URL。
+    /// </summary>
+    private string GeneratePresignedUrl(string objectKey, TimeSpan expires, SignHttpMethod method, string? contentType)
+    {
+        var request = new GeneratePresignedUriRequest(CurrentOptions.AliyunOss.Bucket, objectKey, method)
+        {
+            Expiration = DateTime.Now.Add(expires)
+        };
+
+        if (!string.IsNullOrWhiteSpace(contentType))
+        {
+            request.ContentType = contentType;
+        }
+
+        var uri = EnsureClient().GeneratePresignedUri(request);
+        return uri.ToString();
+    }
+
+    /// <summary>
+    /// 构建或复用 OSS 客户端。
+    /// </summary>
+    private OssClient EnsureClient()
+    {
+        if (_client != null)
+        {
+            return _client;
+        }
+
+        var options = CurrentOptions.AliyunOss;
+        _client = new OssClient(options.Endpoint, options.AccessKeyId, options.AccessKeySecret);
+        return _client;
+    }
+
+    /// <inheritdoc />
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _disposed = true;
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs
new file mode 100644
index 0000000..bccb657
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs
@@ -0,0 +1,52 @@
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Storage.Options;
+
+namespace TakeoutSaaS.Module.Storage.Providers;
+
+/// <summary>
+/// 七牛云 Kodo（S3 兼容网关）存储提供商。
+/// </summary>
+public sealed class QiniuKodoStorageProvider(IOptionsMonitor<StorageOptions> optionsMonitor)
+    : S3StorageProviderBase
+{
+    private StorageOptions CurrentOptions => optionsMonitor.CurrentValue;
+
+    /// <inheritdoc />
+    public override StorageProviderKind Kind => StorageProviderKind.QiniuKodo;
+
+    /// <inheritdoc />
+    protected override string Bucket => CurrentOptions.QiniuKodo.Bucket;
+
+    /// <inheritdoc />
+    protected override string ServiceUrl => string.IsNullOrWhiteSpace(CurrentOptions.QiniuKodo.Endpoint)
+        ? $"{(CurrentOptions.QiniuKodo.UseHttps ? "https" : "http")}://s3.qiniucs.com"
+        : CurrentOptions.QiniuKodo.Endpoint!;
+
+    /// <inheritdoc />
+    protected override string AccessKey => CurrentOptions.QiniuKodo.AccessKey;
+
+    /// <inheritdoc />
+    protected override string SecretKey => CurrentOptions.QiniuKodo.SecretKey;
+
+    /// <inheritdoc />
+    protected override bool UseHttps => CurrentOptions.QiniuKodo.UseHttps;
+
+    /// <inheritdoc />
+    protected override bool ForcePathStyle => true;
+
+    /// <inheritdoc />
+    protected override string? CdnBaseUrl => !string.IsNullOrWhiteSpace(CurrentOptions.QiniuKodo.DownloadDomain)
+        ? CurrentOptions.QiniuKodo.DownloadDomain
+        : CurrentOptions.CdnBaseUrl;
+
+    /// <inheritdoc />
+    protected override TimeSpan SignedUrlExpiry
+    {
+        get
+        {
+            var minutes = CurrentOptions.QiniuKodo.SignedUrlExpirationMinutes
+                          ?? CurrentOptions.Security.DefaultUrlExpirationMinutes;
+            return TimeSpan.FromMinutes(Math.Max(1, minutes));
+        }
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs
new file mode 100644
index 0000000..6251c01
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs
@@ -0,0 +1,243 @@
+using Amazon.Runtime;
+using Amazon.S3;
+using Amazon.S3.Model;
+using TakeoutSaaS.Module.Storage.Abstractions;
+using TakeoutSaaS.Module.Storage.Models;
+
+namespace TakeoutSaaS.Module.Storage.Providers;
+
+/// <summary>
+/// 基于 AWS S3 SDK 的通用存储提供商基类，可复用到 COS 与 Kodo 等兼容实现。
+/// </summary>
+public abstract class S3StorageProviderBase : IObjectStorageProvider, IDisposable
+{
+    private IAmazonS3? _client;
+    private bool _disposed;
+
+    /// <inheritdoc />
+    public abstract StorageProviderKind Kind { get; }
+
+    /// <summary>
+    /// 目标桶名称。
+    /// </summary>
+    protected abstract string Bucket { get; }
+
+    /// <summary>
+    /// S3 服务端点，需包含协议。
+    /// </summary>
+    protected abstract string ServiceUrl { get; }
+
+    /// <summary>
+    /// 访问凭证 ID。
+    /// </summary>
+    protected abstract string AccessKey { get; }
+
+    /// <summary>
+    /// 访问凭证密钥。
+    /// </summary>
+    protected abstract string SecretKey { get; }
+
+    /// <summary>
+    /// 是否使用 HTTPS。
+    /// </summary>
+    protected abstract bool UseHttps { get; }
+
+    /// <summary>
+    /// 是否强制 PathStyle 访问。
+    /// </summary>
+    protected abstract bool ForcePathStyle { get; }
+
+    /// <summary>
+    /// CDN 域名（可选）。
+    /// </summary>
+    protected abstract string? CdnBaseUrl { get; }
+
+    /// <summary>
+    /// 默认签名有效期。
+    /// </summary>
+    protected abstract TimeSpan SignedUrlExpiry { get; }
+
+    /// <inheritdoc />
+    public virtual async Task<StorageUploadResult> UploadAsync(StorageUploadRequest request, CancellationToken cancellationToken = default)
+    {
+        // 0. 兜底重置流位置，避免上游读取导致内容缺失
+        if (request.Content.CanSeek)
+        {
+            request.Content.Position = 0;
+        }
+
+        // 1. 构建上传请求
+        var putRequest = new PutObjectRequest
+        {
+            BucketName = Bucket,
+            Key = request.ObjectKey,
+            InputStream = request.Content,
+            AutoCloseStream = false,
+            ContentType = request.ContentType,
+            DisableDefaultChecksumValidation = true,
+            UseChunkEncoding = false,
+            DisablePayloadSigning = true
+        };
+
+        // 1.1 显式设置 Content-Length，避免 S3 SDK 对兼容网关使用 aws-chunked 导致对象内容被写入“chunk-signature”头而损坏
+        if (request.ContentLength > 0)
+        {
+            putRequest.Headers.ContentLength = request.ContentLength;
+        }
+
+        foreach (var kv in request.Metadata)
+        {
+            putRequest.Metadata[kv.Key] = kv.Value;
+        }
+
+        // 2. 执行上传
+        await Client.PutObjectAsync(putRequest, cancellationToken).ConfigureAwait(false);
+
+        // 3. 根据需要生成签名 URL
+        var signedUrl = request.GenerateSignedUrl
+            ? GenerateSignedUrl(request.ObjectKey, request.SignedUrlExpires)
+            : null;
+
+        // 4. 返回上传结果
+        return new StorageUploadResult
+        {
+            ObjectKey = request.ObjectKey,
+            Url = signedUrl ?? BuildPublicUrl(request.ObjectKey),
+            SignedUrl = signedUrl,
+            FileSize = request.ContentLength,
+            ContentType = request.ContentType
+        };
+    }
+
+    /// <inheritdoc />
+    public virtual Task<StorageDirectUploadResult> CreateDirectUploadAsync(StorageDirectUploadRequest request, CancellationToken cancellationToken = default)
+    {
+        // 1. 计算过期时间并生成直传 URL
+        var expiresAt = DateTimeOffset.UtcNow.Add(request.Expires);
+        var uploadUrl = GenerateSignedUrl(request.ObjectKey, request.Expires, HttpVerb.PUT, request.ContentType);
+        var signedDownload = GenerateSignedUrl(request.ObjectKey, request.Expires);
+
+        // 2. 返回直传参数
+        var result = new StorageDirectUploadResult
+        {
+            UploadUrl = uploadUrl,
+            FormFields = new Dictionary<string, string>(),
+            ExpiresAt = expiresAt,
+            ObjectKey = request.ObjectKey,
+            SignedDownloadUrl = signedDownload
+        };
+
+        return Task.FromResult(result);
+    }
+
+    /// <inheritdoc />
+    public virtual Task<string> GenerateDownloadUrlAsync(string objectKey, TimeSpan expires, CancellationToken cancellationToken = default)
+    {
+        // 1. 生成下载签名 URL
+        var url = GenerateSignedUrl(objectKey, expires);
+        return Task.FromResult(url);
+    }
+
+    /// <inheritdoc />
+    public virtual string BuildPublicUrl(string objectKey)
+    {
+        if (!string.IsNullOrWhiteSpace(CdnBaseUrl))
+        {
+            return $"{CdnBaseUrl!.TrimEnd('/')}/{objectKey}";
+        }
+
+        var endpoint = new Uri(ServiceUrl);
+        var scheme = UseHttps ? "https" : "http";
+        return $"{scheme}://{Bucket}.{endpoint.Host}/{objectKey}";
+    }
+
+    /// <summary>
+    /// 生成预签名 URL。
+    /// </summary>
+    /// <param name="objectKey">对象键。</param>
+    /// <param name="expires">过期时间。</param>
+    /// <param name="verb">HTTP 动作。</param>
+    /// <param name="contentType">可选的内容类型约束。</param>
+    protected virtual string GenerateSignedUrl(string objectKey, TimeSpan expires, HttpVerb verb = HttpVerb.GET, string? contentType = null)
+    {
+        var request = new GetPreSignedUrlRequest
+        {
+            BucketName = Bucket,
+            Key = objectKey,
+            Verb = verb,
+            Expires = DateTime.UtcNow.Add(expires),
+            Protocol = UseHttps ? Protocol.HTTPS : Protocol.HTTP
+        };
+
+        if (!string.IsNullOrWhiteSpace(contentType))
+        {
+            request.Headers["Content-Type"] = contentType;
+        }
+
+        return Client.GetPreSignedURL(request);
+    }
+
+    /// <summary>
+    /// 创建 S3 客户端。
+    /// </summary>
+    protected virtual IAmazonS3 CreateClient()
+    {
+        // 1. 尽量推断鉴权 Region（腾讯云 COS 的 S3 兼容域名形如：cos.ap-beijing.myqcloud.com）
+        var authenticationRegion = ResolveAuthenticationRegion(ServiceUrl);
+
+        // 2. 构建客户端配置
+        var config = new AmazonS3Config
+        {
+            ServiceURL = ServiceUrl,
+            ForcePathStyle = ForcePathStyle,
+            UseHttp = !UseHttps,
+            AuthenticationRegion = authenticationRegion
+        };
+
+        // 3. 创建客户端并返回
+        var credentials = new BasicAWSCredentials(AccessKey, SecretKey);
+        return new AmazonS3Client(credentials, config);
+    }
+
+    private static string? ResolveAuthenticationRegion(string serviceUrl)
+    {
+        // 1. 解析 URL
+        if (!Uri.TryCreate(serviceUrl, UriKind.Absolute, out var uri))
+        {
+            return null;
+        }
+
+        // 2. 提取 Host
+        var host = uri.Host;
+        if (string.IsNullOrWhiteSpace(host))
+        {
+            return null;
+        }
+
+        // 3. 按 COS 域名规则解析 Region
+        const string cosPrefix = "cos.";
+        const string cosSuffix = ".myqcloud.com";
+        if (host.StartsWith(cosPrefix, StringComparison.OrdinalIgnoreCase) &&
+            host.EndsWith(cosSuffix, StringComparison.OrdinalIgnoreCase))
+        {
+            var regionPart = host.Substring(cosPrefix.Length, host.Length - cosPrefix.Length - cosSuffix.Length);
+            return string.IsNullOrWhiteSpace(regionPart) ? null : regionPart;
+        }
+        return null;
+    }
+
+    private IAmazonS3 Client => _client ??= CreateClient();
+
+    /// <inheritdoc />
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _disposed = true;
+        _client?.Dispose();
+        GC.SuppressFinalize(this);
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs
new file mode 100644
index 0000000..259d6e4
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs
@@ -0,0 +1,45 @@
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Storage.Options;
+
+namespace TakeoutSaaS.Module.Storage.Providers;
+
+/// <summary>
+/// 腾讯云 COS 存储提供商实现。
+/// </summary>
+public sealed class TencentCosStorageProvider(IOptionsMonitor<StorageOptions> optionsMonitor)
+    : S3StorageProviderBase
+{
+    private StorageOptions CurrentOptions => optionsMonitor.CurrentValue;
+
+    /// <inheritdoc />
+    public override StorageProviderKind Kind => StorageProviderKind.TencentCos;
+
+    /// <inheritdoc />
+    protected override string Bucket => CurrentOptions.TencentCos.Bucket;
+
+    /// <inheritdoc />
+    protected override string ServiceUrl => string.IsNullOrWhiteSpace(CurrentOptions.TencentCos.Endpoint)
+        ? $"{(CurrentOptions.TencentCos.UseHttps ? "https" : "http")}://cos.{CurrentOptions.TencentCos.Region}.myqcloud.com"
+        : CurrentOptions.TencentCos.Endpoint!;
+
+    /// <inheritdoc />
+    protected override string AccessKey => CurrentOptions.TencentCos.SecretId;
+
+    /// <inheritdoc />
+    protected override string SecretKey => CurrentOptions.TencentCos.SecretKey;
+
+    /// <inheritdoc />
+    protected override bool UseHttps => CurrentOptions.TencentCos.UseHttps;
+
+    /// <inheritdoc />
+    protected override bool ForcePathStyle => CurrentOptions.TencentCos.ForcePathStyle;
+
+    /// <inheritdoc />
+    protected override string? CdnBaseUrl => !string.IsNullOrWhiteSpace(CurrentOptions.TencentCos.CdnBaseUrl)
+        ? CurrentOptions.TencentCos.CdnBaseUrl
+        : CurrentOptions.CdnBaseUrl;
+
+    /// <inheritdoc />
+    protected override TimeSpan SignedUrlExpiry =>
+        TimeSpan.FromMinutes(Math.Max(1, CurrentOptions.Security.DefaultUrlExpirationMinutes));
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs b/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs
new file mode 100644
index 0000000..b1920c0
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs
@@ -0,0 +1,27 @@
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.Module.Storage.Abstractions;
+using TakeoutSaaS.Module.Storage.Options;
+
+namespace TakeoutSaaS.Module.Storage.Services;
+
+/// <summary>
+/// 存储提供商解析器，实现基于配置的提供商选择。
+/// </summary>
+public sealed class StorageProviderResolver(IOptionsMonitor<StorageOptions> optionsMonitor, IEnumerable<IObjectStorageProvider> providers)
+    : IStorageProviderResolver
+{
+    private readonly IDictionary<StorageProviderKind, IObjectStorageProvider> _providerMap =
+        providers.ToDictionary(x => x.Kind, x => x);
+
+    /// <inheritdoc />
+    public IObjectStorageProvider Resolve(StorageProviderKind? provider = null)
+    {
+        var target = provider ?? optionsMonitor.CurrentValue.Provider;
+        if (_providerMap.TryGetValue(target, out var instance))
+        {
+            return instance;
+        }
+
+        throw new InvalidOperationException($"未注册存储提供商：{target}");
+    }
+}
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/StorageProviderKind.cs b/src/Modules/TakeoutSaaS.Module.Storage/StorageProviderKind.cs
new file mode 100644
index 0000000..589b9f8
--- /dev/null
+++ b/src/Modules/TakeoutSaaS.Module.Storage/StorageProviderKind.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Module.Storage;
+
+/// <summary>
+/// 存储提供商类型枚举，便于通过配置选择具体的对象存储实现。
+/// </summary>
+public enum StorageProviderKind
+{
+    /// <summary>
+    /// 腾讯云 COS 对象存储。
+    /// </summary>
+    TencentCos = 1,
+
+    /// <summary>
+    /// 七牛云 Kodo 存储。
+    /// </summary>
+    QiniuKodo = 2,
+
+    /// <summary>
+    /// 阿里云 OSS 存储。
+    /// </summary>
+    AliyunOss = 3
+}